/*
=============
RB_SwapBuffers
=============
*/
const void *RB_SwapBuffers( const void *data ) {
const swapBuffersCommand_t *cmd;
// finish any 2D drawing if needed
if ( tess.numIndexes ) {
RB_EndSurface();
}
// texture swapping test
if ( r_showImages->integer ) {
RB_ShowImages();
}
cmd = (const swapBuffersCommand_t *)data;
// we measure overdraw by reading back the stencil buffer and
// counting up the number of increments that have happened
if ( r_measureOverdraw->integer ) {
int i;
long sum = 0;
unsigned char *stencilReadback;
stencilReadback = ri.Hunk_AllocateTempMemory( glConfig.vidWidth * glConfig.vidHeight );
qglReadPixels( 0, 0, glConfig.vidWidth, glConfig.vidHeight, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, stencilReadback );
for ( i = 0; i < glConfig.vidWidth * glConfig.vidHeight; i++ ) {
sum += stencilReadback[i];
}
backEnd.pc.c_overDraw += sum;
ri.Hunk_FreeTempMemory( stencilReadback );
}
if (glRefConfig.framebufferObject)
{
if (!backEnd.framePostProcessed)
{
if (tr.msaaResolveFbo && r_hdr->integer)
{
// Resolving an RGB16F MSAA FBO to the screen messes with the brightness, so resolve to an RGB16F FBO first
FBO_FastBlit(tr.renderFbo, NULL, tr.msaaResolveFbo, NULL, GL_COLOR_BUFFER_BIT, GL_NEAREST);
FBO_FastBlit(tr.msaaResolveFbo, NULL, NULL, NULL, GL_COLOR_BUFFER_BIT, GL_NEAREST);
}
else if (tr.renderFbo)
{
FBO_FastBlit(tr.renderFbo, NULL, NULL, NULL, GL_COLOR_BUFFER_BIT, GL_NEAREST);
}
}
}
if ( !glState.finishCalled ) {
qglFinish();
}
GLimp_LogComment( "***************** RB_SwapBuffers *****************\n\n\n" );
GLimp_EndFrame();
backEnd.framePostProcessed = qfalse;
backEnd.projection2D = qfalse;
return (const void *)(cmd + 1);
}
/*
=============
RB_SwapBuffers
=============
*/
static int RB_SwapBuffers( const void *data ) {
// finish any 2D drawing if needed
if ( tess.numIndexes ) {
RB_EndSurface();
}
// texture swapping test
if ( r_showImages->integer ) {
RB_ShowImages();
}
backEnd.projection2D = qfalse;
tr.capturingDofOrStereo = qfalse;
tr.latestDofOrStereoFrame = qfalse;
/* Take and merge DOF frames */
if ( r_stereoSeparation->value <= 0.0f && !tr.finishStereo) {
if ( R_MME_MultiPassNext() ) {
return 1;
}
} else if ( r_stereoSeparation->value > 0.0f) {
if ( R_MME_MultiPassNextStereo() ) {
return 1;
}
}
// we measure overdraw by reading back the stencil buffer and
// counting up the number of increments that have happened
if ( r_measureOverdraw->integer ) {
int i;
long sum = 0;
unsigned char *stencilReadback;
stencilReadback = ri.Hunk_AllocateTempMemory( glConfig.vidWidth * glConfig.vidHeight );
qglReadPixels( 0, 0, glConfig.vidWidth, glConfig.vidHeight, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, stencilReadback );
for ( i = 0; i < glConfig.vidWidth * glConfig.vidHeight; i++ ) {
sum += stencilReadback[i];
}
backEnd.pc.c_overDraw += sum;
ri.Hunk_FreeTempMemory( stencilReadback );
}
if ( !glState.finishCalled ) {
qglFinish();
}
/* Allow MME to take a screenshot */
if ( r_stereoSeparation->value < 0.0f && tr.finishStereo) {
tr.capturingDofOrStereo = qtrue;
tr.latestDofOrStereoFrame = qtrue;
Cvar_SetValue("r_stereoSeparation", -r_stereoSeparation->value);
return 1;
} else if ( r_stereoSeparation->value <= 0.0f) {
if ( R_MME_TakeShot( ) && r_stereoSeparation->value != 0.0f) {
tr.capturingDofOrStereo = qtrue;
tr.latestDofOrStereoFrame = qfalse;
Cvar_SetValue("r_stereoSeparation", -r_stereoSeparation->value);
tr.finishStereo = qtrue;
return 1;
}
} else if ( r_stereoSeparation->value > 0.0f) {
if ( tr.finishStereo) {
R_MME_TakeShotStereo( );
R_MME_DoNotTake( );
Cvar_SetValue("r_stereoSeparation", -r_stereoSeparation->value);
tr.finishStereo = qfalse;
}
}
R_FrameBuffer_EndFrame();
GLimp_LogComment( "***************** RB_SwapBuffers *****************\n\n\n" );
GLimp_EndFrame();
return 0;
}
/*
** RB_DrawSun
*/
void RB_DrawSun( void ) {
float size;
float dist;
vec3_t origin, vec1, vec2;
vec3_t temp;
if ( !backEnd.skyRenderedThisView ) {
return;
}
if ( !r_drawSun->integer ) {
return;
}
qglLoadMatrixf( backEnd.viewParms.world.modelMatrix );
qglTranslatef (backEnd.viewParms.ori.origin[0], backEnd.viewParms.ori.origin[1], backEnd.viewParms.ori.origin[2]);
dist = backEnd.viewParms.zFar / 1.75; // div sqrt(3)
size = dist * 0.4;
VectorScale( tr.sunDirection, dist, origin );
PerpendicularVector( vec1, tr.sunDirection );
CrossProduct( tr.sunDirection, vec1, vec2 );
VectorScale( vec1, size, vec1 );
VectorScale( vec2, size, vec2 );
// farthest depth range
qglDepthRange( 1.0, 1.0 );
// FIXME: use quad stamp
RB_BeginSurface( tr.sunShader, tess.fogNum );
VectorCopy( origin, temp );
VectorSubtract( temp, vec1, temp );
VectorSubtract( temp, vec2, temp );
VectorCopy( temp, tess.xyz[tess.numVertexes] );
tess.texCoords[tess.numVertexes][0][0] = 0;
tess.texCoords[tess.numVertexes][0][1] = 0;
tess.vertexColors[tess.numVertexes][0] = 255;
tess.vertexColors[tess.numVertexes][1] = 255;
tess.vertexColors[tess.numVertexes][2] = 255;
tess.numVertexes++;
VectorCopy( origin, temp );
VectorAdd( temp, vec1, temp );
VectorSubtract( temp, vec2, temp );
VectorCopy( temp, tess.xyz[tess.numVertexes] );
tess.texCoords[tess.numVertexes][0][0] = 0;
tess.texCoords[tess.numVertexes][0][1] = 1;
tess.vertexColors[tess.numVertexes][0] = 255;
tess.vertexColors[tess.numVertexes][1] = 255;
tess.vertexColors[tess.numVertexes][2] = 255;
tess.numVertexes++;
VectorCopy( origin, temp );
VectorAdd( temp, vec1, temp );
VectorAdd( temp, vec2, temp );
VectorCopy( temp, tess.xyz[tess.numVertexes] );
tess.texCoords[tess.numVertexes][0][0] = 1;
tess.texCoords[tess.numVertexes][0][1] = 1;
tess.vertexColors[tess.numVertexes][0] = 255;
tess.vertexColors[tess.numVertexes][1] = 255;
tess.vertexColors[tess.numVertexes][2] = 255;
tess.numVertexes++;
VectorCopy( origin, temp );
VectorSubtract( temp, vec1, temp );
VectorAdd( temp, vec2, temp );
VectorCopy( temp, tess.xyz[tess.numVertexes] );
tess.texCoords[tess.numVertexes][0][0] = 1;
tess.texCoords[tess.numVertexes][0][1] = 0;
tess.vertexColors[tess.numVertexes][0] = 255;
tess.vertexColors[tess.numVertexes][1] = 255;
tess.vertexColors[tess.numVertexes][2] = 255;
tess.numVertexes++;
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 1;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 3;
RB_EndSurface();
// back to normal depth range
qglDepthRange( 0.0, 1.0 );
}
/*
=============
RB_StretchPic
=============
*/
const void *RB_StretchPic ( const void *data ) {
const stretchPicCommand_t *cmd;
shader_t *shader;
int numVerts, numIndexes;
cmd = (const stretchPicCommand_t *)data;
shader = cmd->shader;
if ( shader != tess.shader ) {
if ( tess.numIndexes ) {
RB_EndSurface(); //this might change culling and other states
}
backEnd.currentEntity = &backEnd.entity2D;
RB_BeginSurface( shader, 0 );
}
if ( !backEnd.projection2D ) {
RB_SetGL2D(); //set culling and other states
}
RB_CHECKOVERFLOW( 4, 6 );
numVerts = tess.numVertexes;
numIndexes = tess.numIndexes;
tess.numVertexes += 4;
tess.numIndexes += 6;
tess.indexes[ numIndexes ] = numVerts + 3;
tess.indexes[ numIndexes + 1 ] = numVerts + 0;
tess.indexes[ numIndexes + 2 ] = numVerts + 2;
tess.indexes[ numIndexes + 3 ] = numVerts + 2;
tess.indexes[ numIndexes + 4 ] = numVerts + 0;
tess.indexes[ numIndexes + 5 ] = numVerts + 1;
*(int *)tess.vertexColors[ numVerts ] =
*(int *)tess.vertexColors[ numVerts + 1 ] =
*(int *)tess.vertexColors[ numVerts + 2 ] =
*(int *)tess.vertexColors[ numVerts + 3 ] = *(int *)backEnd.color2D;
tess.xyz[ numVerts ][0] = cmd->x;
tess.xyz[ numVerts ][1] = cmd->y;
tess.xyz[ numVerts ][2] = 0;
tess.texCoords[ numVerts ][0][0] = cmd->s1;
tess.texCoords[ numVerts ][0][1] = cmd->t1;
tess.xyz[ numVerts + 1 ][0] = cmd->x + cmd->w;
tess.xyz[ numVerts + 1 ][1] = cmd->y;
tess.xyz[ numVerts + 1 ][2] = 0;
tess.texCoords[ numVerts + 1 ][0][0] = cmd->s2;
tess.texCoords[ numVerts + 1 ][0][1] = cmd->t1;
tess.xyz[ numVerts + 2 ][0] = cmd->x + cmd->w;
tess.xyz[ numVerts + 2 ][1] = cmd->y + cmd->h;
tess.xyz[ numVerts + 2 ][2] = 0;
tess.texCoords[ numVerts + 2 ][0][0] = cmd->s2;
tess.texCoords[ numVerts + 2 ][0][1] = cmd->t2;
tess.xyz[ numVerts + 3 ][0] = cmd->x;
tess.xyz[ numVerts + 3 ][1] = cmd->y + cmd->h;
tess.xyz[ numVerts + 3 ][2] = 0;
tess.texCoords[ numVerts + 3 ][0][0] = cmd->s1;
tess.texCoords[ numVerts + 3 ][0][1] = cmd->t2;
return (const void *)(cmd + 1);
}
/*
=============
RB_PostProcess
=============
*/
const void *RB_PostProcess(const void *data)
{
const postProcessCommand_t *cmd = data;
FBO_t *srcFbo;
ivec4_t srcBox, dstBox;
qboolean autoExposure;
// finish any 2D drawing if needed
if(tess.numIndexes)
RB_EndSurface();
if (!glRefConfig.framebufferObject || !r_postProcess->integer)
{
// do nothing
return (const void *)(cmd + 1);
}
if (cmd)
{
backEnd.refdef = cmd->refdef;
backEnd.viewParms = cmd->viewParms;
}
srcFbo = tr.renderFbo;
if (tr.msaaResolveFbo)
{
// Resolve the MSAA before anything else
// Can't resolve just part of the MSAA FBO, so multiple views will suffer a performance hit here
FBO_FastBlit(tr.renderFbo, NULL, tr.msaaResolveFbo, NULL, GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT, GL_NEAREST);
srcFbo = tr.msaaResolveFbo;
}
dstBox[0] = backEnd.viewParms.viewportX;
dstBox[1] = backEnd.viewParms.viewportY;
dstBox[2] = backEnd.viewParms.viewportWidth;
dstBox[3] = backEnd.viewParms.viewportHeight;
if (r_ssao->integer)
{
srcBox[0] = backEnd.viewParms.viewportX * tr.screenSsaoImage->width / (float)glConfig.vidWidth;
srcBox[1] = backEnd.viewParms.viewportY * tr.screenSsaoImage->height / (float)glConfig.vidHeight;
srcBox[2] = backEnd.viewParms.viewportWidth * tr.screenSsaoImage->width / (float)glConfig.vidWidth;
srcBox[3] = backEnd.viewParms.viewportHeight * tr.screenSsaoImage->height / (float)glConfig.vidHeight;
FBO_Blit(tr.screenSsaoFbo, srcBox, NULL, srcFbo, dstBox, NULL, NULL, GLS_SRCBLEND_DST_COLOR | GLS_DSTBLEND_ZERO);
}
srcBox[0] = backEnd.viewParms.viewportX;
srcBox[1] = backEnd.viewParms.viewportY;
srcBox[2] = backEnd.viewParms.viewportWidth;
srcBox[3] = backEnd.viewParms.viewportHeight;
if (srcFbo)
{
if (r_hdr->integer && (r_toneMap->integer || r_forceToneMap->integer))
{
autoExposure = r_autoExposure->integer || r_forceAutoExposure->integer;
RB_ToneMap(srcFbo, srcBox, NULL, dstBox, autoExposure);
}
else if (r_cameraExposure->value == 0.0f)
{
FBO_FastBlit(srcFbo, srcBox, NULL, dstBox, GL_COLOR_BUFFER_BIT, GL_NEAREST);
}
else
{
vec4_t color;
color[0] =
color[1] =
color[2] = pow(2, r_cameraExposure->value); //exp2(r_cameraExposure->value);
color[3] = 1.0f;
FBO_Blit(srcFbo, srcBox, NULL, NULL, dstBox, NULL, color, 0);
}
}
if (r_drawSunRays->integer)
RB_SunRays(NULL, srcBox, NULL, dstBox);
if (1)
RB_BokehBlur(NULL, srcBox, NULL, dstBox, backEnd.refdef.blurFactor);
else
RB_GaussianBlur(backEnd.refdef.blurFactor);
#if 0
if (0)
{
vec4_t quadVerts[4];
vec2_t texCoords[4];
ivec4_t iQtrBox;
vec4_t box;
vec4_t viewInfo;
static float scale = 5.0f;
scale -= 0.005f;
if (scale < 0.01f)
scale = 5.0f;
FBO_FastBlit(NULL, NULL, tr.quarterFbo[0], NULL, GL_COLOR_BUFFER_BIT, GL_LINEAR);
iQtrBox[0] = backEnd.viewParms.viewportX * tr.quarterImage[0]->width / (float)glConfig.vidWidth;
iQtrBox[1] = backEnd.viewParms.viewportY * tr.quarterImage[0]->height / (float)glConfig.vidHeight;
iQtrBox[2] = backEnd.viewParms.viewportWidth * tr.quarterImage[0]->width / (float)glConfig.vidWidth;
iQtrBox[3] = backEnd.viewParms.viewportHeight * tr.quarterImage[0]->height / (float)glConfig.vidHeight;
qglViewport(iQtrBox[0], iQtrBox[1], iQtrBox[2], iQtrBox[3]);
qglScissor(iQtrBox[0], iQtrBox[1], iQtrBox[2], iQtrBox[3]);
VectorSet4(box, 0.0f, 0.0f, 1.0f, 1.0f);
texCoords[0][0] = box[0]; texCoords[0][1] = box[3];
texCoords[1][0] = box[2]; texCoords[1][1] = box[3];
texCoords[2][0] = box[2]; texCoords[2][1] = box[1];
texCoords[3][0] = box[0]; texCoords[3][1] = box[1];
VectorSet4(box, -1.0f, -1.0f, 1.0f, 1.0f);
VectorSet4(quadVerts[0], box[0], box[3], 0, 1);
VectorSet4(quadVerts[1], box[2], box[3], 0, 1);
VectorSet4(quadVerts[2], box[2], box[1], 0, 1);
VectorSet4(quadVerts[3], box[0], box[1], 0, 1);
GL_State(GLS_DEPTHTEST_DISABLE);
VectorSet4(viewInfo, backEnd.viewParms.zFar / r_znear->value, backEnd.viewParms.zFar, 0.0, 0.0);
viewInfo[2] = scale / (float)(tr.quarterImage[0]->width);
viewInfo[3] = scale / (float)(tr.quarterImage[0]->height);
FBO_Bind(tr.quarterFbo[1]);
GLSL_BindProgram(&tr.depthBlurShader[2]);
GL_BindToTMU(tr.quarterImage[0], TB_COLORMAP);
GLSL_SetUniformVec4(&tr.depthBlurShader[2], UNIFORM_VIEWINFO, viewInfo);
RB_InstantQuad2(quadVerts, texCoords);
FBO_Bind(tr.quarterFbo[0]);
GLSL_BindProgram(&tr.depthBlurShader[3]);
GL_BindToTMU(tr.quarterImage[1], TB_COLORMAP);
GLSL_SetUniformVec4(&tr.depthBlurShader[3], UNIFORM_VIEWINFO, viewInfo);
RB_InstantQuad2(quadVerts, texCoords);
SetViewportAndScissor();
FBO_FastBlit(tr.quarterFbo[1], NULL, NULL, NULL, GL_COLOR_BUFFER_BIT, GL_LINEAR);
FBO_Bind(NULL);
}
#endif
if (0 && r_sunlightMode->integer)
{
ivec4_t dstBox;
VectorSet4(dstBox, 0, 0, 128, 128);
FBO_BlitFromTexture(tr.sunShadowDepthImage[0], NULL, NULL, NULL, dstBox, NULL, NULL, 0);
VectorSet4(dstBox, 128, 0, 128, 128);
FBO_BlitFromTexture(tr.sunShadowDepthImage[1], NULL, NULL, NULL, dstBox, NULL, NULL, 0);
VectorSet4(dstBox, 256, 0, 128, 128);
FBO_BlitFromTexture(tr.sunShadowDepthImage[2], NULL, NULL, NULL, dstBox, NULL, NULL, 0);
VectorSet4(dstBox, 384, 0, 128, 128);
FBO_BlitFromTexture(tr.sunShadowDepthImage[3], NULL, NULL, NULL, dstBox, NULL, NULL, 0);
}
if (0)
{
ivec4_t dstBox;
VectorSet4(dstBox, 256, glConfig.vidHeight - 256, 256, 256);
FBO_BlitFromTexture(tr.renderDepthImage, NULL, NULL, NULL, dstBox, NULL, NULL, 0);
VectorSet4(dstBox, 512, glConfig.vidHeight - 256, 256, 256);
FBO_BlitFromTexture(tr.screenShadowImage, NULL, NULL, NULL, dstBox, NULL, NULL, 0);
}
if (0)
{
ivec4_t dstBox;
VectorSet4(dstBox, 256, glConfig.vidHeight - 256, 256, 256);
FBO_BlitFromTexture(tr.sunRaysImage, NULL, NULL, NULL, dstBox, NULL, NULL, 0);
}
#if 0
if (r_cubeMapping->integer && tr.numCubemaps)
{
ivec4_t dstBox;
int cubemapIndex = R_CubemapForPoint( backEnd.viewParms.or.origin );
if (cubemapIndex)
{
VectorSet4(dstBox, 0, glConfig.vidHeight - 256, 256, 256);
//FBO_BlitFromTexture(tr.renderCubeImage, NULL, NULL, NULL, dstBox, &tr.testcubeShader, NULL, 0);
FBO_BlitFromTexture(tr.cubemaps[cubemapIndex - 1].image, NULL, NULL, NULL, dstBox, &tr.testcubeShader, NULL, 0);
}
}
#endif
backEnd.framePostProcessed = qtrue;
return (const void *)(cmd + 1);
}
/*
=============
RE_StretchRaw
FIXME: not exactly backend
Stretches a raw 32 bit power of 2 bitmap image over the given screen rectangle.
Used for cinematics.
=============
*/
void RE_StretchRaw (int x, int y, int w, int h, int cols, int rows, const byte *data, int client, qboolean dirty) {
int i, j;
int start, end;
vec4_t quadVerts[4];
vec2_t texCoords[4];
if ( !tr.registered ) {
return;
}
R_IssuePendingRenderCommands();
if ( tess.numIndexes ) {
RB_EndSurface();
}
// we definately want to sync every frame for the cinematics
qglFinish();
start = 0;
if ( r_speeds->integer ) {
start = ri.Milliseconds();
}
// make sure rows and cols are powers of 2
for ( i = 0 ; ( 1 << i ) < cols ; i++ ) {
}
for ( j = 0 ; ( 1 << j ) < rows ; j++ ) {
}
if ( ( 1 << i ) != cols || ( 1 << j ) != rows) {
ri.Error (ERR_DROP, "Draw_StretchRaw: size not a power of 2: %i by %i", cols, rows);
}
RE_UploadCinematic (w, h, cols, rows, data, client, dirty);
GL_BindToTMU(tr.scratchImage[client], TB_COLORMAP);
if ( r_speeds->integer ) {
end = ri.Milliseconds();
ri.Printf( PRINT_ALL, "qglTexSubImage2D %i, %i: %i msec\n", cols, rows, end - start );
}
// FIXME: HUGE hack
if (glRefConfig.framebufferObject)
{
FBO_Bind(backEnd.framePostProcessed ? NULL : tr.renderFbo);
}
RB_SetGL2D();
VectorSet4(quadVerts[0], x, y, 0.0f, 1.0f);
VectorSet4(quadVerts[1], x + w, y, 0.0f, 1.0f);
VectorSet4(quadVerts[2], x + w, y + h, 0.0f, 1.0f);
VectorSet4(quadVerts[3], x, y + h, 0.0f, 1.0f);
VectorSet2(texCoords[0], 0.5f / cols, 0.5f / rows);
VectorSet2(texCoords[1], (cols - 0.5f) / cols, 0.5f / rows);
VectorSet2(texCoords[2], (cols - 0.5f) / cols, (rows - 0.5f) / rows);
VectorSet2(texCoords[3], 0.5f / cols, (rows - 0.5f) / rows);
GLSL_BindProgram(&tr.textureColorShader);
GLSL_SetUniformMat4(&tr.textureColorShader, UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
GLSL_SetUniformVec4(&tr.textureColorShader, UNIFORM_COLOR, colorWhite);
RB_InstantQuad2(quadVerts, texCoords);
}
/*
=============
RB_RotatedPic
=============
*/
const void *RB_RotatedPic(const void *data)
{
const stretchPicCommand_t *cmd = ( const stretchPicCommand_t * ) data;
shader_t *shader;
int numVerts, numIndexes;
float angle;
float pi2 = M_PI * 2;
if (!backEnd.projection2D)
{
RB_SetGL2D();
}
shader = cmd->shader;
if (shader != tess.shader)
{
if (tess.numIndexes)
{
RB_EndSurface();
}
backEnd.currentEntity = &backEnd.entity2D;
RB_BeginSurface(shader, 0);
}
RB_CHECKOVERFLOW(4, 6);
numVerts = tess.numVertexes;
numIndexes = tess.numIndexes;
tess.numVertexes += 4;
tess.numIndexes += 6;
tess.indexes[numIndexes] = numVerts + 3;
tess.indexes[numIndexes + 1] = numVerts + 0;
tess.indexes[numIndexes + 2] = numVerts + 2;
tess.indexes[numIndexes + 3] = numVerts + 2;
tess.indexes[numIndexes + 4] = numVerts + 0;
tess.indexes[numIndexes + 5] = numVerts + 1;
*( int * ) tess.vertexColors[numVerts].v =
*( int * ) tess.vertexColors[numVerts + 1].v =
*( int * ) tess.vertexColors[numVerts + 2].v =
*( int * ) tess.vertexColors[numVerts + 3].v = *( int * ) backEnd.color2D;
angle = cmd->angle * pi2;
tess.xyz[numVerts].v[0] = cmd->x + (cos(angle) * cmd->w);
tess.xyz[numVerts].v[1] = cmd->y + (sin(angle) * cmd->h);
tess.xyz[numVerts].v[2] = 0;
tess.texCoords0[numVerts].v[0] = cmd->s1;
tess.texCoords0[numVerts].v[1] = cmd->t1;
angle = cmd->angle * pi2 + 0.25 * pi2;
tess.xyz[numVerts + 1].v[0] = cmd->x + (cos(angle) * cmd->w);
tess.xyz[numVerts + 1].v[1] = cmd->y + (sin(angle) * cmd->h);
tess.xyz[numVerts + 1].v[2] = 0;
tess.texCoords0[numVerts + 1].v[0] = cmd->s2;
tess.texCoords0[numVerts + 1].v[1] = cmd->t1;
angle = cmd->angle * pi2 + 0.50 * pi2;
tess.xyz[numVerts + 2].v[0] = cmd->x + (cos(angle) * cmd->w);
tess.xyz[numVerts + 2].v[1] = cmd->y + (sin(angle) * cmd->h);
tess.xyz[numVerts + 2].v[2] = 0;
tess.texCoords0[numVerts + 2].v[0] = cmd->s2;
tess.texCoords0[numVerts + 2].v[1] = cmd->t2;
angle = cmd->angle * pi2 + 0.75 * pi2;
tess.xyz[numVerts + 3].v[0] = cmd->x + (cos(angle) * cmd->w);
tess.xyz[numVerts + 3].v[1] = cmd->y + (sin(angle) * cmd->h);
tess.xyz[numVerts + 3].v[2] = 0;
tess.texCoords0[numVerts + 3].v[0] = cmd->s1;
tess.texCoords0[numVerts + 3].v[1] = cmd->t2;
return ( const void * ) (cmd + 1);
}
/*
==================
RB_RenderDrawSurfList
==================
*/
void RB_RenderDrawSurfList( drawSurf_t *drawSurfs, int numDrawSurfs ) {
shader_t *shader, *oldShader;
int fogNum, oldFogNum;
int entityNum, oldEntityNum;
int dlighted, oldDlighted;
qboolean depthRange, oldDepthRange, isCrosshair, wasCrosshair;
int i;
drawSurf_t *drawSurf;
int oldSort;
float originalTime;
// save original time for entity shader offsets
originalTime = backEnd.refdef.floatTime;
// clear the z buffer, set the modelview, etc
RB_BeginDrawingView ();
// draw everything
oldEntityNum = -1;
backEnd.currentEntity = &tr.worldEntity;
oldShader = NULL;
oldFogNum = -1;
oldDepthRange = qfalse;
wasCrosshair = qfalse;
oldDlighted = qfalse;
oldSort = -1;
depthRange = qfalse;
backEnd.pc.c_surfaces += numDrawSurfs;
for (i = 0, drawSurf = drawSurfs ; i < numDrawSurfs ; i++, drawSurf++) {
if ( drawSurf->sort == oldSort ) {
// fast path, same as previous sort
rb_surfaceTable[ *drawSurf->surface ]( drawSurf->surface );
continue;
}
oldSort = drawSurf->sort;
R_DecomposeSort( drawSurf->sort, &entityNum, &shader, &fogNum, &dlighted );
//
// change the tess parameters if needed
// a "entityMergable" shader is a shader that can have surfaces from seperate
// entities merged into a single batch, like smoke and blood puff sprites
if ( shader != NULL && ( shader != oldShader || fogNum != oldFogNum || dlighted != oldDlighted
|| ( entityNum != oldEntityNum && !shader->entityMergable ) ) ) {
if (oldShader != NULL) {
RB_EndSurface();
}
RB_BeginSurface( shader, fogNum );
oldShader = shader;
oldFogNum = fogNum;
oldDlighted = dlighted;
}
//
// change the modelview matrix if needed
//
if ( entityNum != oldEntityNum ) {
depthRange = isCrosshair = qfalse;
if ( entityNum != REFENTITYNUM_WORLD ) {
backEnd.currentEntity = &backEnd.refdef.entities[entityNum];
backEnd.refdef.floatTime = originalTime - backEnd.currentEntity->e.shaderTime;
// we have to reset the shaderTime as well otherwise image animations start
// from the wrong frame
tess.shaderTime = backEnd.refdef.floatTime - tess.shader->timeOffset;
// set up the transformation matrix
R_RotateForEntity( backEnd.currentEntity, &backEnd.viewParms, &backEnd.or );
// set up the dynamic lighting if needed
if ( backEnd.currentEntity->needDlights ) {
R_TransformDlights( backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.or );
}
if(backEnd.currentEntity->e.renderfx & RF_DEPTHHACK)
{
// hack the depth range to prevent view model from poking into walls
depthRange = qtrue;
if(backEnd.currentEntity->e.renderfx & RF_CROSSHAIR)
isCrosshair = qtrue;
}
} else {
backEnd.currentEntity = &tr.worldEntity;
backEnd.refdef.floatTime = originalTime;
backEnd.or = backEnd.viewParms.world;
// we have to reset the shaderTime as well otherwise image animations on
// the world (like water) continue with the wrong frame
tess.shaderTime = backEnd.refdef.floatTime - tess.shader->timeOffset;
R_TransformDlights( backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.or );
}
qglLoadMatrixf( backEnd.or.modelMatrix );
//
// change depthrange. Also change projection matrix so first person weapon does not look like coming
// out of the screen.
//
if (oldDepthRange != depthRange || wasCrosshair != isCrosshair)
{
if (depthRange)
{
if(backEnd.viewParms.stereoFrame != STEREO_CENTER)
{
if(isCrosshair)
{
if(oldDepthRange)
{
// was not a crosshair but now is, change back proj matrix
qglMatrixMode(GL_PROJECTION);
qglLoadMatrixf(backEnd.viewParms.projectionMatrix);
qglMatrixMode(GL_MODELVIEW);
}
}
else
{
viewParms_t temp = backEnd.viewParms;
R_SetupProjection(&temp, r_znear->value, qfalse);
qglMatrixMode(GL_PROJECTION);
qglLoadMatrixf(temp.projectionMatrix);
qglMatrixMode(GL_MODELVIEW);
}
}
if(!oldDepthRange)
qglDepthRange (0, 0.3);
}
else
{
if(!wasCrosshair && backEnd.viewParms.stereoFrame != STEREO_CENTER)
{
qglMatrixMode(GL_PROJECTION);
qglLoadMatrixf(backEnd.viewParms.projectionMatrix);
qglMatrixMode(GL_MODELVIEW);
}
qglDepthRange (0, 1);
}
oldDepthRange = depthRange;
wasCrosshair = isCrosshair;
}
oldEntityNum = entityNum;
}
// add the triangles for this surface
rb_surfaceTable[ *drawSurf->surface ]( drawSurf->surface );
}
backEnd.refdef.floatTime = originalTime;
// draw the contents of the last shader batch
if (oldShader != NULL) {
RB_EndSurface();
}
// go back to the world modelview matrix
qglLoadMatrixf( backEnd.viewParms.world.modelMatrix );
if ( depthRange ) {
qglDepthRange (0, 1);
}
if (r_drawSun->integer) {
RB_DrawSun(0.1, tr.sunShader);
}
// darken down any stencil shadows
RB_ShadowFinish();
// add light flares on lights that aren't obscured
RB_RenderFlares();
}
void RB_RenderDrawSurfList( drawSurf_t *drawSurfs, int numDrawSurfs ) {
shader_t *shader, *oldShader;
int fogNum, oldFogNum;
int entityNum, oldEntityNum;
int dlighted, oldDlighted;
int depthRange, oldDepthRange;
int i;
drawSurf_t *drawSurf;
unsigned int oldSort;
float originalTime;
trRefEntity_t *curEnt;
postRender_t *pRender;
bool didShadowPass = false;
#ifdef __MACOS__
int macEventTime;
Sys_PumpEvents(); // crutch up the mac's limited buffer queue size
// we don't want to pump the event loop too often and waste time, so
// we are going to check every shader change
macEventTime = Sys_Milliseconds() + MAC_EVENT_PUMP_MSEC;
#endif
if (g_bRenderGlowingObjects)
{ //only shadow on initial passes
didShadowPass = true;
}
// save original time for entity shader offsets
originalTime = backEnd.refdef.floatTime;
// clear the z buffer, set the modelview, etc
RB_BeginDrawingView ();
// draw everything
oldEntityNum = -1;
backEnd.currentEntity = &tr.worldEntity;
oldShader = NULL;
oldFogNum = -1;
oldDepthRange = qfalse;
oldDlighted = qfalse;
oldSort = (unsigned int) -1;
depthRange = qfalse;
backEnd.pc.c_surfaces += numDrawSurfs;
for (i = 0, drawSurf = drawSurfs ; i < numDrawSurfs ; i++, drawSurf++) {
if ( drawSurf->sort == oldSort ) {
// fast path, same as previous sort
rb_surfaceTable[ *drawSurf->surface ]( drawSurf->surface );
continue;
}
R_DecomposeSort( drawSurf->sort, &entityNum, &shader, &fogNum, &dlighted );
#ifndef _XBOX // GLOWXXX
// If we're rendering glowing objects, but this shader has no stages with glow, skip it!
if ( g_bRenderGlowingObjects && !shader->hasGlow )
{
shader = oldShader;
entityNum = oldEntityNum;
fogNum = oldFogNum;
dlighted = oldDlighted;
continue;
}
#endif
oldSort = drawSurf->sort;
//
// change the tess parameters if needed
// a "entityMergable" shader is a shader that can have surfaces from seperate
// entities merged into a single batch, like smoke and blood puff sprites
if (entityNum != TR_WORLDENT &&
g_numPostRenders < MAX_POST_RENDERS)
{
if ( (backEnd.refdef.entities[entityNum].e.renderfx & RF_DISTORTION)/* ||
(backEnd.refdef.entities[entityNum].e.renderfx & RF_FORCE_ENT_ALPHA)*/)
//not sure if we need this alpha fix for sp or not, leaving it out for now -rww
{ //must render last
curEnt = &backEnd.refdef.entities[entityNum];
pRender = &g_postRenders[g_numPostRenders];
g_numPostRenders++;
depthRange = 0;
//figure this stuff out now and store it
if ( curEnt->e.renderfx & RF_NODEPTH )
{
depthRange = 2;
}
else if ( curEnt->e.renderfx & RF_DEPTHHACK )
{
depthRange = 1;
}
pRender->depthRange = depthRange;
//It is not necessary to update the old* values because
//we are not updating now with the current values.
depthRange = oldDepthRange;
//store off the ent num
pRender->entNum = entityNum;
//remember the other values necessary for rendering this surf
pRender->drawSurf = drawSurf;
pRender->dlighted = dlighted;
pRender->fogNum = fogNum;
pRender->shader = shader;
//assure the info is back to the last set state
shader = oldShader;
entityNum = oldEntityNum;
fogNum = oldFogNum;
dlighted = oldDlighted;
oldSort = (unsigned int)-1; //invalidate this thing, cause we may want to postrender more surfs of the same sort
//continue without bothering to begin a draw surf
continue;
}
}
if (shader != oldShader || fogNum != oldFogNum || dlighted != oldDlighted
|| ( entityNum != oldEntityNum && !shader->entityMergable ) )
{
if (oldShader != NULL) {
#ifdef __MACOS__ // crutch up the mac's limited buffer queue size
int t;
t = Sys_Milliseconds();
if ( t > macEventTime ) {
macEventTime = t + MAC_EVENT_PUMP_MSEC;
Sys_PumpEvents();
}
#endif
RB_EndSurface();
if (!didShadowPass && shader && shader->sort > SS_BANNER)
{
RB_ShadowFinish();
didShadowPass = true;
}
}
RB_BeginSurface( shader, fogNum );
oldShader = shader;
oldFogNum = fogNum;
oldDlighted = dlighted;
}
//
// change the modelview matrix if needed
//
if ( entityNum != oldEntityNum ) {
depthRange = qfalse;
if ( entityNum != TR_WORLDENT ) {
backEnd.currentEntity = &backEnd.refdef.entities[entityNum];
backEnd.refdef.floatTime = originalTime - backEnd.currentEntity->e.shaderTime;
// set up the transformation matrix
R_RotateForEntity( backEnd.currentEntity, &backEnd.viewParms, &backEnd.ori );
// set up the dynamic lighting if needed
if ( backEnd.currentEntity->needDlights ) {
#ifdef VV_LIGHTING
VVLightMan.R_TransformDlights( &backEnd.ori );
#else
R_TransformDlights( backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.ori );
#endif
}
if ( backEnd.currentEntity->e.renderfx & RF_NODEPTH ) {
// No depth at all, very rare but some things for seeing through walls
depthRange = 2;
}
else if ( backEnd.currentEntity->e.renderfx & RF_DEPTHHACK ) {
// hack the depth range to prevent view model from poking into walls
depthRange = qtrue;
}
} else {
backEnd.currentEntity = &tr.worldEntity;
backEnd.refdef.floatTime = originalTime;
backEnd.ori = backEnd.viewParms.world;
#ifdef VV_LIGHTING
VVLightMan.R_TransformDlights( &backEnd.ori );
#else
R_TransformDlights( backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.ori );
#endif
}
qglLoadMatrixf( backEnd.ori.modelMatrix );
//
// change depthrange if needed
//
if ( oldDepthRange != depthRange ) {
switch ( depthRange ) {
default:
case 0:
qglDepthRange (0, 1);
break;
case 1:
qglDepthRange (0, .3);
break;
case 2:
qglDepthRange (0, 0);
break;
}
oldDepthRange = depthRange;
}
oldEntityNum = entityNum;
}
// add the triangles for this surface
rb_surfaceTable[ *drawSurf->surface ]( drawSurf->surface );
}
// draw the contents of the last shader batch
if (oldShader != NULL) {
RB_EndSurface();
}
if (tr_stencilled && tr_distortionPrePost)
{ //ok, cap it now
RB_CaptureScreenImage();
RB_DistortionFill();
}
//render distortion surfs (or anything else that needs to be post-rendered)
if (g_numPostRenders > 0)
{
int lastPostEnt = -1;
while (g_numPostRenders > 0)
{
g_numPostRenders--;
pRender = &g_postRenders[g_numPostRenders];
RB_BeginSurface( pRender->shader, pRender->fogNum );
backEnd.currentEntity = &backEnd.refdef.entities[pRender->entNum];
backEnd.refdef.floatTime = originalTime - backEnd.currentEntity->e.shaderTime;
// set up the transformation matrix
R_RotateForEntity( backEnd.currentEntity, &backEnd.viewParms, &backEnd.ori );
// set up the dynamic lighting if needed
if ( backEnd.currentEntity->needDlights )
{
#ifdef VV_LIGHTING
VVLightMan.R_TransformDlights( &backEnd.ori );
#else
R_TransformDlights( backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.ori );
#endif
}
qglLoadMatrixf( backEnd.ori.modelMatrix );
depthRange = pRender->depthRange;
switch ( depthRange )
{
default:
case 0:
qglDepthRange (0, 1);
break;
case 1:
qglDepthRange (0, .3);
break;
case 2:
qglDepthRange (0, 0);
break;
}
if ((backEnd.currentEntity->e.renderfx & RF_DISTORTION) &&
lastPostEnt != pRender->entNum)
{ //do the capture now, we only need to do it once per ent
int x, y;
int rad = backEnd.currentEntity->e.radius;
//We are going to just bind this, and then the CopyTexImage is going to
//stomp over this texture num in texture memory.
GL_Bind( tr.screenImage );
if (R_WorldCoordToScreenCoord( backEnd.currentEntity->e.origin, &x, &y ))
{
int cX, cY;
cX = glConfig.vidWidth-x-(rad/2);
cY = glConfig.vidHeight-y-(rad/2);
if (cX+rad > glConfig.vidWidth)
{ //would it go off screen?
cX = glConfig.vidWidth-rad;
}
else if (cX < 0)
{ //cap it off at 0
cX = 0;
}
if (cY+rad > glConfig.vidHeight)
{ //would it go off screen?
cY = glConfig.vidHeight-rad;
}
else if (cY < 0)
{ //cap it off at 0
cY = 0;
}
//now copy a portion of the screen to this texture
#ifdef _XBOX
qglCopyBackBufferToTexEXT(rad, rad, cX, (480 - cY), (cX + rad), (480 - (cY + rad)));
#else
qglCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16, cX, cY, rad, rad, 0);
#endif
lastPostEnt = pRender->entNum;
}
}
rb_surfaceTable[ *pRender->drawSurf->surface ]( pRender->drawSurf->surface );
RB_EndSurface();
}
}
// go back to the world modelview matrix
qglLoadMatrixf( backEnd.viewParms.world.modelMatrix );
if ( depthRange ) {
qglDepthRange (0, 1);
}
#if 0
RB_DrawSun();
#endif
if (tr_stencilled && !tr_distortionPrePost)
{ //draw in the stencil buffer's cutout
RB_DistortionFill();
}
if (!didShadowPass)
{
// darken down any stencil shadows
RB_ShadowFinish();
didShadowPass = true;
}
#ifdef _XBOX
if (r_hdreffect->integer)
HDREffect.Render();
#endif
// add light flares on lights that aren't obscured
// RB_RenderFlares();
#ifdef __MACOS__
Sys_PumpEvents(); // crutch up the mac's limited buffer queue size
#endif
}
/*
=============
RB_SwapBuffers
=============
*/
const void *RB_SwapBuffers( const void *data ) {
const swapBuffersCommand_t *cmd;
// finish any 2D drawing if needed
if ( tess.numIndexes ) {
RB_EndSurface();
}
// texture swapping test
if ( r_showImages->integer ) {
RB_ShowImages();
}
cmd = (const swapBuffersCommand_t *)data;
// we measure overdraw by reading back the stencil buffer and
// counting up the number of increments that have happened
// there is an extension to read from stencil buffer on GLES, but it's not available on every device, and I'm too lazy
#ifndef GL_VERSION_ES_CM_1_0
if ( r_measureOverdraw->integer ) {
int i;
long sum = 0;
unsigned char *stencilReadback;
stencilReadback = ri.Hunk_AllocateTempMemory( glConfig.vidWidth * glConfig.vidHeight );
qglReadPixels( 0, 0, glConfig.vidWidth, glConfig.vidHeight, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, stencilReadback );
for ( i = 0; i < glConfig.vidWidth * glConfig.vidHeight; i++ ) {
sum += stencilReadback[i];
}
backEnd.pc.c_overDraw += sum;
ri.Hunk_FreeTempMemory( stencilReadback );
}
#endif
if ( !glState.finishCalled ) {
qglFinish();
}
GLimp_LogComment( "***************** RB_SwapBuffers *****************\n\n\n" );
GLimp_EndFrame();
/*
if (r_cardboardStereo->integer && Key_GetCatcher( ) & (KEYCATCH_UI | KEYCATCH_CONSOLE)) {
qglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
qglClearColor(0.0f, 0.0f, 0.0f, 1.0f);
qglClear(GL_COLOR_BUFFER_BIT);
}
*/
#ifdef __ANDROID__
// On-screen keyboard messes up GL state a bit
glState.currenttextures[0] = 0;
glState.currenttmu = 0;
glState.texEnv[glState.currenttmu] = GL_MODULATE;
glState.glStateBits &= ~(GLS_SRCBLEND_BITS | GLS_DSTBLEND_BITS);
glState.glStateBits |= (GLS_SRCBLEND_SRC_ALPHA | GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA);
#endif
backEnd.projection2D = qfalse;
backEnd.doneBloom = qfalse;
backEnd.donepostproc = qfalse;
backEnd.doneSurfaces = qfalse;
return (const void *)(cmd + 1);
}
/*
=============
RB_DrawSurfs
=============
*/
const void *RB_DrawSurfs( const void *data ) {
const drawSurfsCommand_t *cmd;
// finish any 2D drawing if needed
if ( tess.numIndexes ) {
RB_EndSurface();
}
cmd = (const drawSurfsCommand_t *)data;
backEnd.refdef = cmd->refdef;
backEnd.viewParms = cmd->viewParms;
RB_RenderDrawSurfList( cmd->drawSurfs, cmd->numDrawSurfs );
// Dynamic Glow/Flares:
/*
The basic idea is to render the glowing parts of the scene to an offscreen buffer, then take
that buffer and blur it. After it is sufficiently blurred, re-apply that image back to
the normal screen using a additive blending. To blur the scene I use a vertex program to supply
four texture coordinate offsets that allow 'peeking' into adjacent pixels. In the register
combiner (pixel shader), I combine the adjacent pixels using a weighting factor. - Aurelio
*/
// Render dynamic glowing/flaring objects.
#ifndef _XBOX // GLOWXXX
if ( !(backEnd.refdef.rdflags & RDF_NOWORLDMODEL) && g_bDynamicGlowSupported && r_DynamicGlow->integer )
{
// Copy the normal scene to texture.
qglDisable( GL_TEXTURE_2D );
qglEnable( GL_TEXTURE_RECTANGLE_EXT );
qglBindTexture( GL_TEXTURE_RECTANGLE_EXT, tr.sceneImage );
qglCopyTexSubImage2D( GL_TEXTURE_RECTANGLE_EXT, 0, 0, 0, backEnd.viewParms.viewportX, backEnd.viewParms.viewportY, backEnd.viewParms.viewportWidth, backEnd.viewParms.viewportHeight);
qglDisable( GL_TEXTURE_RECTANGLE_EXT );
qglEnable( GL_TEXTURE_2D );
// Just clear colors, but leave the depth buffer intact so we can 'share' it.
qglClearColor( 0.0f, 0.0f, 0.0f, 0.0f );
qglClear( GL_COLOR_BUFFER_BIT );
// Render the glowing objects.
g_bRenderGlowingObjects = true;
RB_RenderDrawSurfList( cmd->drawSurfs, cmd->numDrawSurfs );
g_bRenderGlowingObjects = false;
qglFinish();
// Copy the glow scene to texture.
qglDisable( GL_TEXTURE_2D );
qglEnable( GL_TEXTURE_RECTANGLE_EXT );
qglBindTexture( GL_TEXTURE_RECTANGLE_EXT, tr.screenGlow );
qglCopyTexSubImage2D( GL_TEXTURE_RECTANGLE_EXT, 0, 0, 0, backEnd.viewParms.viewportX, backEnd.viewParms.viewportY, backEnd.viewParms.viewportWidth, backEnd.viewParms.viewportHeight );
qglDisable( GL_TEXTURE_RECTANGLE_EXT );
qglEnable( GL_TEXTURE_2D );
// Resize the viewport to the blur texture size.
const int oldViewWidth = backEnd.viewParms.viewportWidth;
const int oldViewHeight = backEnd.viewParms.viewportHeight;
backEnd.viewParms.viewportWidth = r_DynamicGlowWidth->integer;
backEnd.viewParms.viewportHeight = r_DynamicGlowHeight->integer;
SetViewportAndScissor();
// Blur the scene.
RB_BlurGlowTexture();
// Copy the finished glow scene back to texture.
qglDisable( GL_TEXTURE_2D );
qglEnable( GL_TEXTURE_RECTANGLE_EXT );
qglBindTexture( GL_TEXTURE_RECTANGLE_EXT, tr.blurImage );
qglCopyTexSubImage2D( GL_TEXTURE_RECTANGLE_EXT, 0, 0, 0, 0, 0, backEnd.viewParms.viewportWidth, backEnd.viewParms.viewportHeight );
qglDisable( GL_TEXTURE_RECTANGLE_EXT );
qglEnable( GL_TEXTURE_2D );
// Set the viewport back to normal.
backEnd.viewParms.viewportWidth = oldViewWidth;
backEnd.viewParms.viewportHeight = oldViewHeight;
SetViewportAndScissor();
qglClear( GL_COLOR_BUFFER_BIT );
// Draw the glow additively over the screen.
RB_DrawGlowOverlay();
}
#endif // _XBOX
return (const void *)(cmd + 1);
}
/*
=============
RB_PostProcess
=============
*/
const void *RB_PostProcess(const void *data)
{
const postProcessCommand_t *cmd = data;
FBO_t *srcFbo;
qboolean autoExposure;
// finish any 2D drawing if needed
if(tess.numIndexes)
RB_EndSurface();
if (!glRefConfig.framebufferObject || !r_postProcess->integer)
{
// do nothing
return (const void *)(cmd + 1);
}
srcFbo = tr.renderFbo;
if (tr.msaaResolveFbo)
{
// Resolve the MSAA before anything else
FBO_FastBlit(tr.renderFbo, NULL, tr.msaaResolveFbo, NULL, GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT, GL_NEAREST);
srcFbo = tr.msaaResolveFbo;
}
if (r_ssao->integer)
{
FBO_BlitFromTexture(tr.screenSsaoImage, NULL, NULL, srcFbo, NULL, NULL, NULL, GLS_SRCBLEND_DST_COLOR | GLS_DSTBLEND_ZERO);
}
if (srcFbo)
{
if (r_hdr->integer && (r_toneMap->integer || r_forceToneMap->integer))
{
autoExposure = r_autoExposure->integer || r_forceAutoExposure->integer;
RB_ToneMap(srcFbo, autoExposure);
}
else if (r_cameraExposure->value == 0.0f)
{
FBO_FastBlit(srcFbo, NULL, tr.screenScratchFbo, NULL, GL_COLOR_BUFFER_BIT, GL_NEAREST);
}
else
{
vec4_t color;
color[0] =
color[1] =
color[2] = pow(2, r_cameraExposure->value); //exp2(r_cameraExposure->value);
color[3] = 1.0f;
FBO_Blit(srcFbo, NULL, NULL, tr.screenScratchFbo, NULL, NULL, color, 0);
}
}
if (r_drawSunRays->integer)
RB_SunRays();
if (1)
RB_BokehBlur(backEnd.refdef.blurFactor);
else
RB_GaussianBlur(backEnd.refdef.blurFactor);
if (0)
{
vec4i_t dstBox;
VectorSet4(dstBox, 0, 0, 128, 128);
FBO_BlitFromTexture(tr.sunShadowDepthImage[0], NULL, NULL, tr.screenScratchFbo, dstBox, NULL, NULL, 0);
VectorSet4(dstBox, 128, 0, 128, 128);
FBO_BlitFromTexture(tr.sunShadowDepthImage[1], NULL, NULL, tr.screenScratchFbo, dstBox, NULL, NULL, 0);
VectorSet4(dstBox, 256, 0, 128, 128);
FBO_BlitFromTexture(tr.sunShadowDepthImage[2], NULL, NULL, tr.screenScratchFbo, dstBox, NULL, NULL, 0);
}
if (0)
{
vec4i_t dstBox;
VectorSet4(dstBox, 256, glConfig.vidHeight - 256, 256, 256);
FBO_BlitFromTexture(tr.renderDepthImage, NULL, NULL, tr.screenScratchFbo, dstBox, NULL, NULL, 0);
VectorSet4(dstBox, 512, glConfig.vidHeight - 256, 256, 256);
FBO_BlitFromTexture(tr.screenShadowImage, NULL, NULL, tr.screenScratchFbo, dstBox, NULL, NULL, 0);
}
if (0)
{
vec4i_t dstBox;
VectorSet4(dstBox, 256, glConfig.vidHeight - 256, 256, 256);
FBO_BlitFromTexture(tr.sunRaysImage, NULL, NULL, tr.screenScratchFbo, dstBox, NULL, NULL, 0);
}
backEnd.framePostProcessed = qtrue;
return (const void *)(cmd + 1);
}
/*
==================
RB_RenderDrawSurfList
==================
*/
void RB_RenderDrawSurfList( drawSurf_t *drawSurfs, int numDrawSurfs ) {
shader_t *shader;
int fogNum;
qboolean depthRange, oldDepthRange;
int i;
drawSurf_t *drawSurf;
int oldSort;
const surfaceType_t *surface;
// clear the z buffer, set the modelview, etc
RB_BeginDrawingView ();
// Prepare initial values that will trigger the needed settings
backEnd.currentModel = (sceneModel_t*)-1;
oldDepthRange = qfalse;
oldSort = -1;
depthRange = qfalse;
// Clear for endsurface first run
tess.numIndexes = 0;
backEnd.pc.c_surfaces += numDrawSurfs;
if (!(backEnd.refdef->rdflags & RDF_NOWORLDMODEL)) {
backEnd.sceneZfar = backEnd.viewParms.zFar;
}
for (i = 0, drawSurf = drawSurfs ; i < numDrawSurfs ; i++, drawSurf++) {
/* Rendering a model? */
if ( drawSurf->sort & QSORT_HAVEMODEL_MASK ) {
const drawModel_t *drawModel;
unsigned int index;
RB_EndSurface();
oldSort = drawSurf->sort;
drawModel = (drawModel_t*) drawSurf->data;
backEnd.currentModel = drawModel->model;
index = R_SortToIndex( oldSort );
surface = drawModel->surface[index];
// set up the transformation matrix
R_RotateForEntity( backEnd.currentModel, &backEnd.viewParms, &backEnd.or );
R_TransformDlights( backEnd.refdef->numDlights, backEnd.refdef->dlights, &backEnd.or );
//Load the temporary matrix to show the model
qglLoadMatrixf( backEnd.or.modelMatrix );
depthRange = 0;
//figure this stuff out now and store it
if ( backEnd.currentModel->renderfx & RF_NODEPTH ) {
depthRange = 2;
} else if ( backEnd.currentModel->renderfx & RF_DEPTHHACK ) {
depthRange = 1;
}
if ( oldDepthRange != depthRange ) {
oldDepthRange = depthRange;
switch ( depthRange ) {
default:
case 0:
qglDepthRange (0, 1);
break;
case 1:
qglDepthRange (0, .3);
break;
case 2:
qglDepthRange (0, 0);
break;
}
}
shader = R_SortToShader( oldSort );
fogNum = R_SortToFog( oldSort );
RB_BeginSurface( shader, fogNum );
if ( mme_saveStencil->integer == 1) {
if ( backEnd.currentModel->renderfx & RF_STENCIL) {
if (!backEnd.doingStencil) {
qglStencilOp( GL_KEEP, GL_KEEP, GL_REPLACE );
backEnd.doingStencil = qtrue;
}
} else {
if (backEnd.doingStencil) {
qglStencilOp( GL_KEEP, GL_KEEP, GL_ZERO );
backEnd.doingStencil = qfalse;
}
}
}
rb_surfaceTable[ *surface ]( surface );
continue;
}
if ( drawSurf->sort == oldSort ) {
// fast path, same as previous sort
rb_surfaceTable[ *((byte *)drawSurf->data) ]( drawSurf->data );
continue;
}
RB_EndSurface();
oldSort = drawSurf->sort;
shader = R_SortToShader( oldSort );
fogNum = R_SortToFog( oldSort );
RB_BeginSurface( shader, fogNum );
if ( backEnd.currentModel ) {
if (backEnd.doingStencil) {
qglStencilOp( GL_KEEP, GL_KEEP, GL_ZERO );
backEnd.doingStencil = qfalse;
}
backEnd.currentModel = 0;
backEnd.or = backEnd.viewParms.world;
R_TransformDlights( backEnd.refdef->numDlights, backEnd.refdef->dlights, &backEnd.or );
qglLoadMatrixf( backEnd.or.modelMatrix );
if ( oldDepthRange ) {
depthRange = 0;
oldDepthRange = 0;
qglDepthRange (0, 1);
}
}
rb_surfaceTable[ *((byte *)drawSurf->data) ]( drawSurf->data );
if ( mme_saveStencil->integer == 1) {
if (backEnd.currentModel && backEnd.currentModel->renderfx & RF_STENCIL) {
if (!backEnd.doingStencil) {
qglStencilOp( GL_KEEP, GL_KEEP, GL_REPLACE );
backEnd.doingStencil = qtrue;
}
} else {
if (backEnd.doingStencil) {
qglStencilOp( GL_KEEP, GL_KEEP, GL_ZERO );
backEnd.doingStencil = qfalse;
}
}
}
// add the triangles for this surface
}
// if ( backEnd.currentModel && tess.numVertexes )
// Com_Printf( "Shader batch for a model?\n" );
// draw the contents of the last shader batch
RB_EndSurface();
// go back to the world modelview matrix
qglLoadMatrixf( backEnd.viewParms.world.modelMatrix );
if ( depthRange ) {
qglDepthRange (0, 1);
}
#if 0
RB_DrawSun();
#endif
// darken down any stencil shadows
RB_ShadowFinish();
// add light flares on lights that aren't obscured
RB_RenderFlares();
}
/*
==================
RB_RenderFlare
==================
*/
void RB_RenderFlare( flare_t *f ) {
float size;
vec3_t color;
int iColor[3];
float distance, intensity, factor;
byte fogFactors[3] = {255, 255, 255};
backEnd.pc.c_flareRenders++;
// We don't want too big values anyways when dividing by distance.
if(f->eyeZ > -1.0f)
distance = 1.0f;
else
distance = -f->eyeZ;
// calculate the flare size..
size = backEnd.viewParms.viewportWidth * ( r_flareSize->value/640.0f + 8 / distance );
/*
* This is an alternative to intensity scaling. It changes the size of the flare on screen instead
* with growing distance. See in the description at the top why this is not the way to go.
// size will change ~ 1/r.
size = backEnd.viewParms.viewportWidth * (r_flareSize->value / (distance * -2.0f));
*/
/*
* As flare sizes stay nearly constant with increasing distance we must decrease the intensity
* to achieve a reasonable visual result. The intensity is ~ (size^2 / distance^2) which can be
* got by considering the ratio of
* (flaresurface on screen) : (Surface of sphere defined by flare origin and distance from flare)
* An important requirement is:
* intensity <= 1 for all distances.
*
* The formula used here to compute the intensity is as follows:
* intensity = flareCoeff * size^2 / (distance + size*sqrt(flareCoeff))^2
* As you can see, the intensity will have a max. of 1 when the distance is 0.
* The coefficient flareCoeff will determine the falloff speed with increasing distance.
*/
factor = distance + size * sqrt(flareCoeff);
intensity = flareCoeff * size * size / (factor * factor);
VectorScale(f->color, f->drawIntensity * intensity, color);
// Calculations for fogging
if(tr.world && f->fogNum < tr.world->numfogs)
{
tess.numVertexes = 1;
VectorCopy(f->origin, tess.xyz[0]);
tess.fogNum = f->fogNum;
RB_CalcModulateColorsByFog(fogFactors);
// We don't need to render the flare if colors are 0 anyways.
if(!(fogFactors[0] || fogFactors[1] || fogFactors[2]))
return;
}
iColor[0] = color[0] * fogFactors[0];
iColor[1] = color[1] * fogFactors[1];
iColor[2] = color[2] * fogFactors[2];
RB_BeginSurface( tr.flareShader, f->fogNum );
// FIXME: use quadstamp?
tess.xyz[tess.numVertexes][0] = f->windowX - size;
tess.xyz[tess.numVertexes][1] = f->windowY - size;
tess.texCoords[tess.numVertexes][0][0] = 0;
tess.texCoords[tess.numVertexes][0][1] = 0;
tess.vertexColors[tess.numVertexes][0] = iColor[0];
tess.vertexColors[tess.numVertexes][1] = iColor[1];
tess.vertexColors[tess.numVertexes][2] = iColor[2];
tess.vertexColors[tess.numVertexes][3] = 255;
tess.numVertexes++;
tess.xyz[tess.numVertexes][0] = f->windowX - size;
tess.xyz[tess.numVertexes][1] = f->windowY + size;
tess.texCoords[tess.numVertexes][0][0] = 0;
tess.texCoords[tess.numVertexes][0][1] = 1;
tess.vertexColors[tess.numVertexes][0] = iColor[0];
tess.vertexColors[tess.numVertexes][1] = iColor[1];
tess.vertexColors[tess.numVertexes][2] = iColor[2];
tess.vertexColors[tess.numVertexes][3] = 255;
tess.numVertexes++;
tess.xyz[tess.numVertexes][0] = f->windowX + size;
tess.xyz[tess.numVertexes][1] = f->windowY + size;
tess.texCoords[tess.numVertexes][0][0] = 1;
tess.texCoords[tess.numVertexes][0][1] = 1;
tess.vertexColors[tess.numVertexes][0] = iColor[0];
tess.vertexColors[tess.numVertexes][1] = iColor[1];
tess.vertexColors[tess.numVertexes][2] = iColor[2];
tess.vertexColors[tess.numVertexes][3] = 255;
tess.numVertexes++;
tess.xyz[tess.numVertexes][0] = f->windowX + size;
tess.xyz[tess.numVertexes][1] = f->windowY - size;
tess.texCoords[tess.numVertexes][0][0] = 1;
tess.texCoords[tess.numVertexes][0][1] = 0;
tess.vertexColors[tess.numVertexes][0] = iColor[0];
tess.vertexColors[tess.numVertexes][1] = iColor[1];
tess.vertexColors[tess.numVertexes][2] = iColor[2];
tess.vertexColors[tess.numVertexes][3] = 255;
tess.numVertexes++;
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 1;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 3;
RB_EndSurface();
}
/*
==============
RB_StretchPicGradient
==============
*/
const void *RB_StretchPicGradient(const void *data)
{
const stretchPicCommand_t *cmd = ( const stretchPicCommand_t * ) data;
shader_t *shader;
int numVerts, numIndexes;
if (!backEnd.projection2D)
{
RB_SetGL2D();
}
shader = cmd->shader;
if (shader != tess.shader)
{
if (tess.numIndexes)
{
RB_EndSurface();
}
backEnd.currentEntity = &backEnd.entity2D;
RB_BeginSurface(shader, 0);
}
RB_CHECKOVERFLOW(4, 6);
numVerts = tess.numVertexes;
numIndexes = tess.numIndexes;
tess.numVertexes += 4;
tess.numIndexes += 6;
tess.indexes[numIndexes] = numVerts + 3;
tess.indexes[numIndexes + 1] = numVerts + 0;
tess.indexes[numIndexes + 2] = numVerts + 2;
tess.indexes[numIndexes + 3] = numVerts + 2;
tess.indexes[numIndexes + 4] = numVerts + 0;
tess.indexes[numIndexes + 5] = numVerts + 1;
*( int * ) tess.vertexColors[numVerts].v =
*( int * ) tess.vertexColors[numVerts + 1].v = *( int * ) backEnd.color2D;
*( int * ) tess.vertexColors[numVerts + 2].v =
*( int * ) tess.vertexColors[numVerts + 3].v = *( int * ) cmd->gradientColor;
tess.xyz[numVerts].v[0] = cmd->x;
tess.xyz[numVerts].v[1] = cmd->y;
tess.xyz[numVerts].v[2] = 0;
tess.texCoords0[numVerts].v[0] = cmd->s1;
tess.texCoords0[numVerts].v[1] = cmd->t1;
tess.xyz[numVerts + 1].v[0] = cmd->x + cmd->w;
tess.xyz[numVerts + 1].v[1] = cmd->y;
tess.xyz[numVerts + 1].v[2] = 0;
tess.texCoords0[numVerts + 1].v[0] = cmd->s2;
tess.texCoords0[numVerts + 1].v[1] = cmd->t1;
tess.xyz[numVerts + 2].v[0] = cmd->x + cmd->w;
tess.xyz[numVerts + 2].v[1] = cmd->y + cmd->h;
tess.xyz[numVerts + 2].v[2] = 0;
tess.texCoords0[numVerts + 2].v[0] = cmd->s2;
tess.texCoords0[numVerts + 2].v[1] = cmd->t2;
tess.xyz[numVerts + 3].v[0] = cmd->x;
tess.xyz[numVerts + 3].v[1] = cmd->y + cmd->h;
tess.xyz[numVerts + 3].v[2] = 0;
tess.texCoords0[numVerts + 3].v[0] = cmd->s1;
tess.texCoords0[numVerts + 3].v[1] = cmd->t2;
return ( const void * ) (cmd + 1);
}
/*
==================
RB_TakeVideoFrameCmd
==================
*/
const void *RB_TakeVideoFrameCmd( const void *data )
{
const videoFrameCommand_t *cmd;
byte *cBuf;
size_t memcount, linelen;
int padwidth, avipadwidth, padlen, avipadlen;
GLint packAlign;
// finish any 2D drawing if needed
if(tess.numIndexes)
RB_EndSurface();
cmd = (const videoFrameCommand_t *)data;
qglGetIntegerv(GL_PACK_ALIGNMENT, &packAlign);
linelen = cmd->width * 3;
// Alignment stuff for glReadPixels
padwidth = PAD(linelen, packAlign);
padlen = padwidth - linelen;
// AVI line padding
avipadwidth = PAD(linelen, AVI_LINE_PADDING);
avipadlen = avipadwidth - linelen;
cBuf = PADP(cmd->captureBuffer, packAlign);
qglReadPixels(0, 0, cmd->width, cmd->height, GL_RGB,
GL_UNSIGNED_BYTE, cBuf);
memcount = padwidth * cmd->height;
// gamma correct
if(glConfig.deviceSupportsGamma)
R_GammaCorrect(cBuf, memcount);
if(cmd->motionJpeg)
{
memcount = RE_SaveJPGToBuffer(cmd->encodeBuffer, linelen * cmd->height,
r_aviMotionJpegQuality->integer,
cmd->width, cmd->height, cBuf, padlen);
ri.CL_WriteAVIVideoFrame(cmd->encodeBuffer, memcount);
}
else
{
byte *lineend, *memend;
byte *srcptr, *destptr;
srcptr = cBuf;
destptr = cmd->encodeBuffer;
memend = srcptr + memcount;
// swap R and B and remove line paddings
while(srcptr < memend)
{
lineend = srcptr + linelen;
while(srcptr < lineend)
{
*destptr++ = srcptr[2];
*destptr++ = srcptr[1];
*destptr++ = srcptr[0];
srcptr += 3;
}
Com_Memset(destptr, '\0', avipadlen);
destptr += avipadlen;
srcptr += padlen;
}
ri.CL_WriteAVIVideoFrame(cmd->encodeBuffer, avipadwidth * cmd->height);
}
return (const void *)(cmd + 1);
}
/*
==================
RB_RenderDrawSurfList
==================
*/
void RB_RenderDrawSurfList(drawSurf_t *drawSurfs, int numDrawSurfs)
{
shader_t *shader, *oldShader;
int fogNum, oldFogNum;
int entityNum, oldEntityNum;
int frontFace;
int dlighted, oldDlighted;
qboolean depthRange, oldDepthRange;
int i;
drawSurf_t *drawSurf;
int oldSort;
double originalTime = backEnd.refdef.floatTime; // save original time for entity shader offsets
// clear the z buffer, set the modelview, etc
RB_BeginDrawingView();
// draw everything
oldEntityNum = -1;
backEnd.currentEntity = &tr.worldEntity;
oldShader = NULL;
oldFogNum = -1;
oldDepthRange = qfalse;
oldDlighted = qfalse;
oldSort = -1;
depthRange = qfalse;
backEnd.pc.c_surfaces += numDrawSurfs;
for (i = 0, drawSurf = drawSurfs ; i < numDrawSurfs ; i++, drawSurf++)
{
if (drawSurf->sort == oldSort)
{
// fast path, same as previous sort
rb_surfaceTable[*drawSurf->surface] (drawSurf->surface);
continue;
}
oldSort = drawSurf->sort;
R_DecomposeSort(drawSurf->sort, &entityNum, &shader, &fogNum, &frontFace, &dlighted);
// change the tess parameters if needed
// a "entityMergable" shader is a shader that can have surfaces from seperate
// entities merged into a single batch, like smoke and blood puff sprites
if (shader != oldShader || fogNum != oldFogNum || dlighted != oldDlighted
|| (entityNum != oldEntityNum && !shader->entityMergable))
{
if (oldShader != NULL)
{
RB_EndSurface();
}
RB_BeginSurface(shader, fogNum);
oldShader = shader;
oldFogNum = fogNum;
oldDlighted = dlighted;
}
// change the modelview matrix if needed
if (entityNum != oldEntityNum)
{
depthRange = qfalse;
if (entityNum != ENTITYNUM_WORLD)
{
backEnd.currentEntity = &backEnd.refdef.entities[entityNum];
backEnd.refdef.floatTime = originalTime; // - backEnd.currentEntity->e.shaderTime; // JPW NERVE pulled this to match q3ta
// we have to reset the shaderTime as well otherwise image animations start
// from the wrong frame
// tess.shaderTime = backEnd.refdef.floatTime - tess.shader->timeOffset;
// set up the transformation matrix
R_RotateForEntity(backEnd.currentEntity, &backEnd.viewParms, &backEnd.orientation);
// set up the dynamic lighting if needed
if (backEnd.currentEntity->needDlights)
{
R_TransformDlights(backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.orientation);
}
if (backEnd.currentEntity->e.renderfx & RF_DEPTHHACK)
{
// hack the depth range to prevent view model from poking into walls
depthRange = qtrue;
}
}
else
{
backEnd.currentEntity = &tr.worldEntity;
backEnd.refdef.floatTime = originalTime;
backEnd.orientation = backEnd.viewParms.world;
// we have to reset the shaderTime as well otherwise image animations on
// the world (like water) continue with the wrong frame
// tess.shaderTime = backEnd.refdef.floatTime - tess.shader->timeOffset;
R_TransformDlights(backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.orientation);
}
qglLoadMatrixf(backEnd.orientation.modelMatrix);
// change depthrange if needed
if (oldDepthRange != depthRange)
{
if (depthRange)
{
qglDepthRange(0, 0.3);
}
else
{
qglDepthRange(0, 1);
}
oldDepthRange = depthRange;
}
oldEntityNum = entityNum;
}
// add the triangles for this surface
rb_surfaceTable[*drawSurf->surface] (drawSurf->surface);
}
// draw the contents of the last shader batch
if (oldShader != NULL)
{
RB_EndSurface();
}
// go back to the world modelview matrix
backEnd.currentEntity = &tr.worldEntity;
backEnd.refdef.floatTime = originalTime;
backEnd.orientation = backEnd.viewParms.world;
R_TransformDlights(backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.orientation);
qglLoadMatrixf(backEnd.viewParms.world.modelMatrix);
if (depthRange)
{
qglDepthRange(0, 1);
}
// draw sun
RB_DrawSun();
// darken down any stencil shadows
RB_ShadowFinish();
// add light flares on lights that aren't obscured
RB_RenderFlares();
}
/*
==============
RB_DrawSun
(SA) FIXME: sun should render behind clouds, so passing dark areas cover it up
==============
*/
void RB_DrawSun( void ) {
float size;
float dist;
vec3_t origin, vec1, vec2;
vec3_t temp;
byte color[4];
if ( !tr.sunShader ) {
return;
}
if ( !backEnd.skyRenderedThisView ) {
return;
}
if ( !r_drawSun->integer ) {
return;
}
qglLoadMatrixf( backEnd.viewParms.world.modelMatrix );
qglTranslatef( backEnd.viewParms.or.origin[0], backEnd.viewParms.or.origin[1], backEnd.viewParms.or.origin[2] );
dist = backEnd.viewParms.zFar / 1.75; // div sqrt(3)
// (SA) shrunk the size of the sun
size = dist * 0.2;
VectorScale( tr.sunDirection, dist, origin );
PerpendicularVector( vec1, tr.sunDirection );
CrossProduct( tr.sunDirection, vec1, vec2 );
VectorScale( vec1, size, vec1 );
VectorScale( vec2, size, vec2 );
// farthest depth range
qglDepthRange( 1.0, 1.0 );
color[0] = color[1] = color[2] = color[3] = 255;
// (SA) simpler sun drawing
RB_BeginSurface( tr.sunShader, tess.fogNum );
RB_AddQuadStamp( origin, vec1, vec2, color );
/*
VectorCopy( origin, temp );
VectorSubtract( temp, vec1, temp );
VectorSubtract( temp, vec2, temp );
VectorCopy( temp, tess.xyz[tess.numVertexes] );
tess.texCoords[tess.numVertexes][0][0] = 0;
tess.texCoords[tess.numVertexes][0][1] = 0;
tess.vertexColors[tess.numVertexes][0] = 255;
tess.vertexColors[tess.numVertexes][1] = 255;
tess.vertexColors[tess.numVertexes][2] = 255;
tess.numVertexes++;
VectorCopy( origin, temp );
VectorAdd( temp, vec1, temp );
VectorSubtract( temp, vec2, temp );
VectorCopy( temp, tess.xyz[tess.numVertexes] );
tess.texCoords[tess.numVertexes][0][0] = 0;
tess.texCoords[tess.numVertexes][0][1] = 1;
tess.vertexColors[tess.numVertexes][0] = 255;
tess.vertexColors[tess.numVertexes][1] = 255;
tess.vertexColors[tess.numVertexes][2] = 255;
tess.numVertexes++;
VectorCopy( origin, temp );
VectorAdd( temp, vec1, temp );
VectorAdd( temp, vec2, temp );
VectorCopy( temp, tess.xyz[tess.numVertexes] );
tess.texCoords[tess.numVertexes][0][0] = 1;
tess.texCoords[tess.numVertexes][0][1] = 1;
tess.vertexColors[tess.numVertexes][0] = 255;
tess.vertexColors[tess.numVertexes][1] = 255;
tess.vertexColors[tess.numVertexes][2] = 255;
tess.numVertexes++;
VectorCopy( origin, temp );
VectorSubtract( temp, vec1, temp );
VectorAdd( temp, vec2, temp );
VectorCopy( temp, tess.xyz[tess.numVertexes] );
tess.texCoords[tess.numVertexes][0][0] = 1;
tess.texCoords[tess.numVertexes][0][1] = 0;
tess.vertexColors[tess.numVertexes][0] = 255;
tess.vertexColors[tess.numVertexes][1] = 255;
tess.vertexColors[tess.numVertexes][2] = 255;
tess.numVertexes++;
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 1;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 3;
*/
RB_EndSurface();
if ( r_drawSun->integer > 1 ) { // draw flare effect
// (SA) FYI: This is cheezy and was only a test so far.
// If we decide to use the flare business I will /definatly/ improve all this
// get a point a little closer
dist = dist * 0.7;
VectorScale( tr.sunDirection, dist, origin );
// and make the flare a little smaller
VectorScale( vec1, 0.5f, vec1 );
VectorScale( vec2, 0.5f, vec2 );
// add the vectors to give an 'off angle' result
VectorAdd( tr.sunDirection, backEnd.viewParms.or.axis[0], temp );
VectorNormalize( temp );
// amplify the result
origin[0] += temp[0] * 500.0;
origin[1] += temp[1] * 500.0;
origin[2] += temp[2] * 500.0;
// (SA) FIXME: todo: flare effect should render last (on top of everything else) and only when sun is in view (sun moving out of camera past degree n should start to cause flare dimming until view angle to sun is off by angle n + x.
// draw the flare
RB_BeginSurface( tr.sunflareShader[0], tess.fogNum );
RB_AddQuadStamp( origin, vec1, vec2, color );
RB_EndSurface();
}
// back to normal depth range
qglDepthRange( 0.0, 1.0 );
}
void RB_SurfaceVaoMdvMesh(srfVaoMdvMesh_t * surface)
{
//mdvModel_t *mdvModel;
//mdvSurface_t *mdvSurface;
refEntity_t *refEnt;
GLimp_LogComment("--- RB_SurfaceVaoMdvMesh ---\n");
if (ShaderRequiresCPUDeforms(tess.shader))
{
RB_SurfaceMesh(surface->mdvSurface);
return;
}
if(!surface->vao)
return;
//RB_CheckVao(surface->vao);
RB_EndSurface();
RB_BeginSurface(tess.shader, tess.fogNum, tess.cubemapIndex);
R_BindVao(surface->vao);
tess.useInternalVao = qfalse;
tess.numIndexes = surface->numIndexes;
tess.numVertexes = surface->numVerts;
//mdvModel = surface->mdvModel;
//mdvSurface = surface->mdvSurface;
refEnt = &backEnd.currentEntity->e;
glState.vertexAttribsInterpolation = (refEnt->oldframe == refEnt->frame) ? 0.0f : refEnt->backlerp;
if (surface->mdvModel->numFrames > 1)
{
int frameOffset, attribIndex;
vaoAttrib_t *vAtb;
glState.vertexAnimation = qtrue;
if (glRefConfig.vertexArrayObject)
{
qglBindBuffer(GL_ARRAY_BUFFER, surface->vao->vertexesVBO);
}
frameOffset = refEnt->frame * surface->vao->frameSize;
attribIndex = ATTR_INDEX_POSITION;
vAtb = &surface->vao->attribs[attribIndex];
qglVertexAttribPointer(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset + frameOffset));
attribIndex = ATTR_INDEX_NORMAL;
vAtb = &surface->vao->attribs[attribIndex];
qglVertexAttribPointer(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset + frameOffset));
attribIndex = ATTR_INDEX_TANGENT;
vAtb = &surface->vao->attribs[attribIndex];
qglVertexAttribPointer(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset + frameOffset));
frameOffset = refEnt->oldframe * surface->vao->frameSize;
attribIndex = ATTR_INDEX_POSITION2;
vAtb = &surface->vao->attribs[attribIndex];
qglVertexAttribPointer(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset + frameOffset));
attribIndex = ATTR_INDEX_NORMAL2;
vAtb = &surface->vao->attribs[attribIndex];
qglVertexAttribPointer(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset + frameOffset));
attribIndex = ATTR_INDEX_TANGENT2;
vAtb = &surface->vao->attribs[attribIndex];
qglVertexAttribPointer(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset + frameOffset));
if (!glRefConfig.vertexArrayObject)
{
attribIndex = ATTR_INDEX_TEXCOORD;
vAtb = &surface->vao->attribs[attribIndex];
qglVertexAttribPointer(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset));
}
}
RB_EndSurface();
// So we don't lerp surfaces that shouldn't be lerped
glState.vertexAnimation = qfalse;
}
/*
==================
RB_RenderDrawSurfList
==================
*/
void RB_RenderDrawSurfList( drawSurf_t *drawSurfs, int numDrawSurfs ) {
shader_t *shader, *oldShader;
int fogNum, oldFogNum;
int entityNum, oldEntityNum;
int dlighted, oldDlighted;
int pshadowed, oldPshadowed;
int cubemapIndex, oldCubemapIndex;
qboolean depthRange, oldDepthRange, isCrosshair, wasCrosshair;
int i;
drawSurf_t *drawSurf;
int oldSort;
float originalTime;
FBO_t* fbo = NULL;
qboolean inQuery = qfalse;
float depth[2];
// save original time for entity shader offsets
originalTime = backEnd.refdef.floatTime;
fbo = glState.currentFBO;
// draw everything
oldEntityNum = -1;
backEnd.currentEntity = &tr.worldEntity;
oldShader = NULL;
oldFogNum = -1;
oldDepthRange = qfalse;
wasCrosshair = qfalse;
oldDlighted = qfalse;
oldPshadowed = qfalse;
oldCubemapIndex = -1;
oldSort = -1;
depth[0] = 0.f;
depth[1] = 1.f;
backEnd.pc.c_surfaces += numDrawSurfs;
for (i = 0, drawSurf = drawSurfs ; i < numDrawSurfs ; i++, drawSurf++) {
if ( drawSurf->sort == oldSort && drawSurf->cubemapIndex == oldCubemapIndex) {
if (backEnd.depthFill && shader && shader->sort != SS_OPAQUE)
continue;
// fast path, same as previous sort
rb_surfaceTable[ *drawSurf->surface ]( drawSurf->surface );
continue;
}
oldSort = drawSurf->sort;
R_DecomposeSort( drawSurf->sort, &entityNum, &shader, &fogNum, &dlighted, &pshadowed );
cubemapIndex = drawSurf->cubemapIndex;
//
// change the tess parameters if needed
// a "entityMergable" shader is a shader that can have surfaces from seperate
// entities merged into a single batch, like smoke and blood puff sprites
if ( shader != NULL && ( shader != oldShader || fogNum != oldFogNum || dlighted != oldDlighted || pshadowed != oldPshadowed || cubemapIndex != oldCubemapIndex
|| ( entityNum != oldEntityNum && !shader->entityMergable ) ) ) {
if (oldShader != NULL) {
RB_EndSurface();
}
RB_BeginSurface( shader, fogNum, cubemapIndex );
backEnd.pc.c_surfBatches++;
oldShader = shader;
oldFogNum = fogNum;
oldDlighted = dlighted;
oldPshadowed = pshadowed;
oldCubemapIndex = cubemapIndex;
}
if (backEnd.depthFill && shader && shader->sort != SS_OPAQUE)
continue;
//
// change the modelview matrix if needed
//
if ( entityNum != oldEntityNum ) {
qboolean sunflare = qfalse;
depthRange = isCrosshair = qfalse;
if ( entityNum != REFENTITYNUM_WORLD ) {
backEnd.currentEntity = &backEnd.refdef.entities[entityNum];
backEnd.refdef.floatTime = originalTime - backEnd.currentEntity->e.shaderTime;
// we have to reset the shaderTime as well otherwise image animations start
// from the wrong frame
tess.shaderTime = backEnd.refdef.floatTime - tess.shader->timeOffset;
// set up the transformation matrix
R_RotateForEntity( backEnd.currentEntity, &backEnd.viewParms, &backEnd.or );
// set up the dynamic lighting if needed
if ( backEnd.currentEntity->needDlights ) {
R_TransformDlights( backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.or );
}
if(backEnd.currentEntity->e.renderfx & RF_DEPTHHACK)
{
// hack the depth range to prevent view model from poking into walls
depthRange = qtrue;
if(backEnd.currentEntity->e.renderfx & RF_CROSSHAIR)
isCrosshair = qtrue;
}
} else {
backEnd.currentEntity = &tr.worldEntity;
backEnd.refdef.floatTime = originalTime;
backEnd.or = backEnd.viewParms.world;
// we have to reset the shaderTime as well otherwise image animations on
// the world (like water) continue with the wrong frame
tess.shaderTime = backEnd.refdef.floatTime - tess.shader->timeOffset;
R_TransformDlights( backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.or );
}
GL_SetModelviewMatrix( backEnd.or.modelMatrix );
//
// change depthrange. Also change projection matrix so first person weapon does not look like coming
// out of the screen.
//
if (oldDepthRange != depthRange || wasCrosshair != isCrosshair)
{
if (depthRange)
{
if(backEnd.viewParms.stereoFrame != STEREO_CENTER)
{
if(isCrosshair)
{
if(oldDepthRange)
{
// was not a crosshair but now is, change back proj matrix
GL_SetProjectionMatrix( backEnd.viewParms.projectionMatrix );
}
}
else
{
viewParms_t temp = backEnd.viewParms;
R_SetupProjection(&temp, r_znear->value, 0, qfalse);
GL_SetProjectionMatrix( temp.projectionMatrix );
}
}
if(!oldDepthRange)
{
depth[0] = 0;
depth[1] = 0.3f;
qglDepthRange (depth[0], depth[1]);
}
}
else
{
if(!wasCrosshair && backEnd.viewParms.stereoFrame != STEREO_CENTER)
{
GL_SetProjectionMatrix( backEnd.viewParms.projectionMatrix );
}
if (!sunflare)
qglDepthRange (0, 1);
depth[0] = 0;
depth[1] = 1;
}
oldDepthRange = depthRange;
wasCrosshair = isCrosshair;
}
oldEntityNum = entityNum;
}
// add the triangles for this surface
rb_surfaceTable[ *drawSurf->surface ]( drawSurf->surface );
}
backEnd.refdef.floatTime = originalTime;
// draw the contents of the last shader batch
if (oldShader != NULL) {
RB_EndSurface();
}
if (inQuery) {
qglEndQuery(GL_SAMPLES_PASSED);
}
if (glRefConfig.framebufferObject)
FBO_Bind(fbo);
// go back to the world modelview matrix
GL_SetModelviewMatrix( backEnd.viewParms.world.modelMatrix );
qglDepthRange (0, 1);
}
/*
=============
RB_SurfaceGrid
Just copy the grid of points and triangulate
=============
*/
static void RB_SurfaceGrid( srfBspSurface_t *srf ) {
int i, j;
float *xyz;
float *texCoords, *lightCoords;
int16_t *normal;
int16_t *tangent;
uint16_t *color;
int16_t *lightdir;
srfVert_t *dv;
int rows, irows, vrows;
int used;
int widthTable[MAX_GRID_SIZE];
int heightTable[MAX_GRID_SIZE];
float lodError;
int lodWidth, lodHeight;
int numVertexes;
int dlightBits;
int pshadowBits;
//int *vDlightBits;
if (RB_SurfaceVaoCached(srf->numVerts, srf->verts, srf->numIndexes,
srf->indexes, srf->dlightBits, srf->pshadowBits))
{
return;
}
RB_CheckVao(tess.vao);
dlightBits = srf->dlightBits;
tess.dlightBits |= dlightBits;
pshadowBits = srf->pshadowBits;
tess.pshadowBits |= pshadowBits;
// determine the allowable discrepance
lodError = LodErrorForVolume( srf->lodOrigin, srf->lodRadius );
// determine which rows and columns of the subdivision
// we are actually going to use
widthTable[0] = 0;
lodWidth = 1;
for ( i = 1 ; i < srf->width-1 ; i++ ) {
if ( srf->widthLodError[i] <= lodError ) {
widthTable[lodWidth] = i;
lodWidth++;
}
}
widthTable[lodWidth] = srf->width-1;
lodWidth++;
heightTable[0] = 0;
lodHeight = 1;
for ( i = 1 ; i < srf->height-1 ; i++ ) {
if ( srf->heightLodError[i] <= lodError ) {
heightTable[lodHeight] = i;
lodHeight++;
}
}
heightTable[lodHeight] = srf->height-1;
lodHeight++;
// very large grids may have more points or indexes than can be fit
// in the tess structure, so we may have to issue it in multiple passes
used = 0;
while ( used < lodHeight - 1 ) {
// see how many rows of both verts and indexes we can add without overflowing
do {
vrows = ( SHADER_MAX_VERTEXES - tess.numVertexes ) / lodWidth;
irows = ( SHADER_MAX_INDEXES - tess.numIndexes ) / ( lodWidth * 6 );
// if we don't have enough space for at least one strip, flush the buffer
if ( vrows < 2 || irows < 1 ) {
RB_EndSurface();
RB_BeginSurface(tess.shader, tess.fogNum, tess.cubemapIndex );
} else {
break;
}
} while ( 1 );
rows = irows;
if ( vrows < irows + 1 ) {
rows = vrows - 1;
}
if ( used + rows > lodHeight ) {
rows = lodHeight - used;
}
numVertexes = tess.numVertexes;
xyz = tess.xyz[numVertexes];
normal = tess.normal[numVertexes];
tangent = tess.tangent[numVertexes];
texCoords = tess.texCoords[numVertexes];
lightCoords = tess.lightCoords[numVertexes];
color = tess.color[numVertexes];
lightdir = tess.lightdir[numVertexes];
//vDlightBits = &tess.vertexDlightBits[numVertexes];
for ( i = 0 ; i < rows ; i++ ) {
for ( j = 0 ; j < lodWidth ; j++ ) {
dv = srf->verts + heightTable[ used + i ] * srf->width
+ widthTable[ j ];
if ( tess.shader->vertexAttribs & ATTR_POSITION )
{
VectorCopy(dv->xyz, xyz);
xyz += 4;
}
if ( tess.shader->vertexAttribs & ATTR_NORMAL )
{
VectorCopy4(dv->normal, normal);
normal += 4;
}
if ( tess.shader->vertexAttribs & ATTR_TANGENT )
{
VectorCopy4(dv->tangent, tangent);
tangent += 4;
}
if ( tess.shader->vertexAttribs & ATTR_TEXCOORD )
{
VectorCopy2(dv->st, texCoords);
texCoords += 2;
}
if ( tess.shader->vertexAttribs & ATTR_LIGHTCOORD )
{
VectorCopy2(dv->lightmap, lightCoords);
lightCoords += 2;
}
if ( tess.shader->vertexAttribs & ATTR_COLOR )
{
VectorCopy4(dv->color, color);
color += 4;
}
if ( tess.shader->vertexAttribs & ATTR_LIGHTDIRECTION )
{
VectorCopy4(dv->lightdir, lightdir);
lightdir += 4;
}
//*vDlightBits++ = dlightBits;
}
}
// add the indexes
{
int numIndexes;
int w, h;
h = rows - 1;
w = lodWidth - 1;
numIndexes = tess.numIndexes;
for (i = 0 ; i < h ; i++) {
for (j = 0 ; j < w ; j++) {
int v1, v2, v3, v4;
// vertex order to be reckognized as tristrips
v1 = numVertexes + i*lodWidth + j + 1;
v2 = v1 - 1;
v3 = v2 + lodWidth;
v4 = v3 + 1;
tess.indexes[numIndexes] = v2;
tess.indexes[numIndexes+1] = v3;
tess.indexes[numIndexes+2] = v1;
tess.indexes[numIndexes+3] = v1;
tess.indexes[numIndexes+4] = v3;
tess.indexes[numIndexes+5] = v4;
numIndexes += 6;
}
}
tess.numIndexes = numIndexes;
}
tess.numVertexes += rows * lodWidth;
used += rows - 1;
}
}
/*
=============
RB_StretchPic
=============
*/
const void *RB_StretchPic ( const void *data ) {
const stretchPicCommand_t *cmd;
shader_t *shader;
int numVerts, numIndexes;
cmd = (const stretchPicCommand_t *)data;
// FIXME: HUGE hack
if (glRefConfig.framebufferObject)
FBO_Bind(backEnd.framePostProcessed ? NULL : tr.renderFbo);
RB_SetGL2D();
shader = cmd->shader;
if ( shader != tess.shader ) {
if ( tess.numIndexes ) {
RB_EndSurface();
}
backEnd.currentEntity = &backEnd.entity2D;
RB_BeginSurface( shader, 0, 0 );
}
RB_CHECKOVERFLOW( 4, 6 );
numVerts = tess.numVertexes;
numIndexes = tess.numIndexes;
tess.numVertexes += 4;
tess.numIndexes += 6;
tess.indexes[ numIndexes ] = numVerts + 3;
tess.indexes[ numIndexes + 1 ] = numVerts + 0;
tess.indexes[ numIndexes + 2 ] = numVerts + 2;
tess.indexes[ numIndexes + 3 ] = numVerts + 2;
tess.indexes[ numIndexes + 4 ] = numVerts + 0;
tess.indexes[ numIndexes + 5 ] = numVerts + 1;
{
uint16_t color[4];
VectorScale4(backEnd.color2D, 257, color);
VectorCopy4(color, tess.color[ numVerts ]);
VectorCopy4(color, tess.color[ numVerts + 1]);
VectorCopy4(color, tess.color[ numVerts + 2]);
VectorCopy4(color, tess.color[ numVerts + 3 ]);
}
tess.xyz[ numVerts ][0] = cmd->x;
tess.xyz[ numVerts ][1] = cmd->y;
tess.xyz[ numVerts ][2] = 0;
tess.texCoords[ numVerts ][0] = cmd->s1;
tess.texCoords[ numVerts ][1] = cmd->t1;
tess.xyz[ numVerts + 1 ][0] = cmd->x + cmd->w;
tess.xyz[ numVerts + 1 ][1] = cmd->y;
tess.xyz[ numVerts + 1 ][2] = 0;
tess.texCoords[ numVerts + 1 ][0] = cmd->s2;
tess.texCoords[ numVerts + 1 ][1] = cmd->t1;
tess.xyz[ numVerts + 2 ][0] = cmd->x + cmd->w;
tess.xyz[ numVerts + 2 ][1] = cmd->y + cmd->h;
tess.xyz[ numVerts + 2 ][2] = 0;
tess.texCoords[ numVerts + 2 ][0] = cmd->s2;
tess.texCoords[ numVerts + 2 ][1] = cmd->t2;
tess.xyz[ numVerts + 3 ][0] = cmd->x;
tess.xyz[ numVerts + 3 ][1] = cmd->y + cmd->h;
tess.xyz[ numVerts + 3 ][2] = 0;
tess.texCoords[ numVerts + 3 ][0] = cmd->s1;
tess.texCoords[ numVerts + 3 ][1] = cmd->t2;
return (const void *)(cmd + 1);
}
/*
=============
RE_StretchRaw
FIXME: not exactly backend
Stretches a raw 32 bit power of 2 bitmap image over the given screen rectangle.
Used for cinematics.
=============
*/
void RE_StretchRaw (int x, int y, int w, int h, int cols, int rows, const byte *data, int client, qboolean dirty) {
int i, j;
int start, end;
if ( !tr.registered ) {
return;
}
R_IssuePendingRenderCommands();
if ( tess.numIndexes ) {
RB_EndSurface();
}
// we definately want to sync every frame for the cinematics
qglFinish();
start = 0;
if ( r_speeds->integer ) {
start = ri.Milliseconds();
}
// make sure rows and cols are powers of 2
for ( i = 0 ; ( 1 << i ) < cols ; i++ ) {
}
for ( j = 0 ; ( 1 << j ) < rows ; j++ ) {
}
if ( ( 1 << i ) != cols || ( 1 << j ) != rows) {
ri.Error (ERR_DROP, "Draw_StretchRaw: size not a power of 2: %i by %i", cols, rows);
}
GL_Bind( tr.scratchImage[client] );
// if the scratchImage isn't in the format we want, specify it as a new texture
if ( cols != tr.scratchImage[client]->width || rows != tr.scratchImage[client]->height ) {
tr.scratchImage[client]->width = tr.scratchImage[client]->uploadWidth = cols;
tr.scratchImage[client]->height = tr.scratchImage[client]->uploadHeight = rows;
qglTexImage2D( GL_TEXTURE_2D, 0, GL_RGB8, cols, rows, 0, GL_RGBA, GL_UNSIGNED_BYTE, data );
qglTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
qglTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
qglTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE );
qglTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE );
} else {
if (dirty) {
// otherwise, just subimage upload it so that drivers can tell we are going to be changing
// it and don't try and do a texture compression
qglTexSubImage2D( GL_TEXTURE_2D, 0, 0, 0, cols, rows, GL_RGBA, GL_UNSIGNED_BYTE, data );
}
}
if ( r_speeds->integer ) {
end = ri.Milliseconds();
ri.Printf( PRINT_ALL, "qglTexSubImage2D %i, %i: %i msec\n", cols, rows, end - start );
}
RB_SetGL2D();
qglColor3f( tr.identityLight, tr.identityLight, tr.identityLight );
qglBegin (GL_QUADS);
qglTexCoord2f ( 0.5f / cols, 0.5f / rows );
qglVertex2f (x, y);
qglTexCoord2f ( ( cols - 0.5f ) / cols , 0.5f / rows );
qglVertex2f (x+w, y);
qglTexCoord2f ( ( cols - 0.5f ) / cols, ( rows - 0.5f ) / rows );
qglVertex2f (x+w, y+h);
qglTexCoord2f ( 0.5f / cols, ( rows - 0.5f ) / rows );
qglVertex2f (x, y+h);
qglEnd ();
}
/*
==================
RB_RenderDrawSurfList
==================
*/
void RB_RenderDrawSurfList( drawSurf_t *drawSurfs, int numDrawSurfs ) {
shader_t *shader, *oldShader;
int fogNum, oldFogNum;
int entityNum, oldEntityNum;
int dlighted, oldDlighted;
qboolean depthRange, oldDepthRange;
int i;
drawSurf_t *drawSurf;
int oldSort;
float originalTime;
#ifdef __MACOS__
int macEventTime;
Sys_PumpEvents(); // crutch up the mac's limited buffer queue size
// we don't want to pump the event loop too often and waste time, so
// we are going to check every shader change
macEventTime = ri.Milliseconds() + MAC_EVENT_PUMP_MSEC;
#endif
// save original time for entity shader offsets
originalTime = backEnd.refdef.floatTime;
// clear the z buffer, set the modelview, etc
RB_BeginDrawingView ();
// draw everything
oldEntityNum = -1;
backEnd.currentEntity = &tr.worldEntity;
oldShader = NULL;
oldFogNum = -1;
oldDepthRange = qfalse;
oldDlighted = qfalse;
oldSort = -1;
depthRange = qfalse;
backEnd.pc.c_surfaces += numDrawSurfs;
for (i = 0, drawSurf = drawSurfs ; i < numDrawSurfs ; i++, drawSurf++) {
if ( drawSurf->sort == oldSort ) {
// fast path, same as previous sort
rb_surfaceTable[ *drawSurf->surface ]( drawSurf->surface );
continue;
}
oldSort = drawSurf->sort;
R_DecomposeSort( drawSurf->sort, &entityNum, &shader, &fogNum, &dlighted );
//
// change the tess parameters if needed
// a "entityMergable" shader is a shader that can have surfaces from seperate
// entities merged into a single batch, like smoke and blood puff sprites
if (shader != oldShader || fogNum != oldFogNum || dlighted != oldDlighted
|| ( entityNum != oldEntityNum && !shader->entityMergable ) ) {
if (oldShader != NULL) {
#ifdef __MACOS__ // crutch up the mac's limited buffer queue size
int t;
t = ri.Milliseconds();
if ( t > macEventTime ) {
macEventTime = t + MAC_EVENT_PUMP_MSEC;
Sys_PumpEvents();
}
#endif
RB_EndSurface();
}
RB_BeginSurface( shader, fogNum );
oldShader = shader;
oldFogNum = fogNum;
oldDlighted = dlighted;
}
#ifdef _NPATCH
// See if we can n-patch surface
if ( drawSurf->sort & ( 1 << QSORT_NPATCH_SHIFT ) )
{
tess.npatched = qtrue;
}
#endif // _NPATCH
//
// change the modelview matrix if needed
//
if ( entityNum != oldEntityNum ) {
depthRange = qfalse;
if ( entityNum != ENTITYNUM_WORLD ) {
backEnd.currentEntity = &backEnd.refdef.entities[entityNum];
backEnd.refdef.floatTime = originalTime - backEnd.currentEntity->e.shaderTime;
// set up the transformation matrix
R_RotateForEntity( backEnd.currentEntity, &backEnd.viewParms, &backEnd.or );
// set up the dynamic lighting if needed
if ( backEnd.currentEntity->needDlights ) {
R_TransformDlights( backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.or );
}
if ( backEnd.currentEntity->e.renderfx & RF_DEPTHHACK ) {
// hack the depth range to prevent view model from poking into walls
depthRange = qtrue;
}
} else {
backEnd.currentEntity = &tr.worldEntity;
backEnd.refdef.floatTime = originalTime;
backEnd.or = backEnd.viewParms.world;
R_TransformDlights( backEnd.refdef.num_dlights, backEnd.refdef.dlights, &backEnd.or );
}
qglLoadMatrixf( backEnd.or.modelMatrix );
//
// change depthrange if needed
//
if ( oldDepthRange != depthRange ) {
if ( depthRange ) {
qglDepthRange (0, 0.3);
} else {
qglDepthRange (0, 1);
}
oldDepthRange = depthRange;
}
oldEntityNum = entityNum;
}
// add the triangles for this surface
rb_surfaceTable[ *drawSurf->surface ]( drawSurf->surface );
}
// draw the contents of the last shader batch
if (oldShader != NULL) {
RB_EndSurface();
}
// go back to the world modelview matrix
qglLoadMatrixf( backEnd.viewParms.world.modelMatrix );
if ( depthRange ) {
qglDepthRange (0, 1);
}
#if 0
RB_DrawSun();
#endif
// darken down any stencil shadows
RB_ShadowFinish();
// add light flares on lights that aren't obscured
// RB_RenderFlares();
#ifdef __MACOS__
Sys_PumpEvents(); // crutch up the mac's limited buffer queue size
#endif
}
/*
==================
RB_RenderFlare
==================
*/
void RB_RenderFlare( flare_t *f ) {
float size;
vec3_t color;
int iColor[3];
backEnd.pc.c_flareRenders++;
VectorScale( f->color, f->drawIntensity*tr.identityLight, color );
iColor[0] = color[0] * 255;
iColor[1] = color[1] * 255;
iColor[2] = color[2] * 255;
size = f->lightScale * backEnd.viewParms.viewportWidth * ( r_flareSize->value/640.0 + 8 / -f->eyeZ );
RB_BeginSurface( tr.flareShader, f->fogNum );
// FIXME: use quadstamp?
tess.xyz[tess.numVertexes][0] = f->windowX - size;
tess.xyz[tess.numVertexes][1] = f->windowY - size;
tess.texCoords[tess.numVertexes][0][0] = 0;
tess.texCoords[tess.numVertexes][0][1] = 0;
tess.vertexColors[tess.numVertexes][0] = iColor[0];
tess.vertexColors[tess.numVertexes][1] = iColor[1];
tess.vertexColors[tess.numVertexes][2] = iColor[2];
tess.vertexColors[tess.numVertexes][3] = 255;
tess.numVertexes++;
tess.xyz[tess.numVertexes][0] = f->windowX - size;
tess.xyz[tess.numVertexes][1] = f->windowY + size;
tess.texCoords[tess.numVertexes][0][0] = 0;
tess.texCoords[tess.numVertexes][0][1] = 1;
tess.vertexColors[tess.numVertexes][0] = iColor[0];
tess.vertexColors[tess.numVertexes][1] = iColor[1];
tess.vertexColors[tess.numVertexes][2] = iColor[2];
tess.vertexColors[tess.numVertexes][3] = 255;
tess.numVertexes++;
tess.xyz[tess.numVertexes][0] = f->windowX + size;
tess.xyz[tess.numVertexes][1] = f->windowY + size;
tess.texCoords[tess.numVertexes][0][0] = 1;
tess.texCoords[tess.numVertexes][0][1] = 1;
tess.vertexColors[tess.numVertexes][0] = iColor[0];
tess.vertexColors[tess.numVertexes][1] = iColor[1];
tess.vertexColors[tess.numVertexes][2] = iColor[2];
tess.vertexColors[tess.numVertexes][3] = 255;
tess.numVertexes++;
tess.xyz[tess.numVertexes][0] = f->windowX + size;
tess.xyz[tess.numVertexes][1] = f->windowY - size;
tess.texCoords[tess.numVertexes][0][0] = 1;
tess.texCoords[tess.numVertexes][0][1] = 0;
tess.vertexColors[tess.numVertexes][0] = iColor[0];
tess.vertexColors[tess.numVertexes][1] = iColor[1];
tess.vertexColors[tess.numVertexes][2] = iColor[2];
tess.vertexColors[tess.numVertexes][3] = 255;
tess.numVertexes++;
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 1;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 3;
RB_EndSurface();
}
/*
=============
RB_DrawSurfs
=============
*/
const void *RB_DrawSurfs( const void *data ) {
const drawSurfsCommand_t *cmd;
// finish any 2D drawing if needed
if ( tess.numIndexes ) {
RB_EndSurface();
}
cmd = (const drawSurfsCommand_t *)data;
backEnd.refdef = cmd->refdef;
backEnd.viewParms = cmd->viewParms;
// clear the z buffer, set the modelview, etc
RB_BeginDrawingView ();
if (glRefConfig.framebufferObject && (backEnd.viewParms.flags & VPF_DEPTHCLAMP) && glRefConfig.depthClamp)
{
qglEnable(GL_DEPTH_CLAMP);
}
if (glRefConfig.framebufferObject && !(backEnd.refdef.rdflags & RDF_NOWORLDMODEL) && (r_depthPrepass->integer || (backEnd.viewParms.flags & VPF_DEPTHSHADOW)))
{
FBO_t *oldFbo = glState.currentFBO;
backEnd.depthFill = qtrue;
qglColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
RB_RenderDrawSurfList( cmd->drawSurfs, cmd->numDrawSurfs );
qglColorMask(!backEnd.colorMask[0], !backEnd.colorMask[1], !backEnd.colorMask[2], !backEnd.colorMask[3]);
backEnd.depthFill = qfalse;
if (tr.msaaResolveFbo)
{
// If we're using multisampling, resolve the depth first
FBO_FastBlit(tr.renderFbo, NULL, tr.msaaResolveFbo, NULL, GL_DEPTH_BUFFER_BIT, GL_NEAREST);
}
else if (tr.renderFbo == NULL)
{
// If we're rendering directly to the screen, copy the depth to a texture
GL_BindToTMU(tr.renderDepthImage, 0);
qglCopyTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT24, 0, 0, glConfig.vidWidth, glConfig.vidHeight, 0);
}
if (r_ssao->integer)
{
// need the depth in a texture we can do GL_LINEAR sampling on, so copy it to an HDR image
FBO_BlitFromTexture(tr.renderDepthImage, NULL, NULL, tr.hdrDepthFbo, NULL, NULL, NULL, 0);
}
if (backEnd.viewParms.flags & VPF_USESUNLIGHT)
{
vec4_t quadVerts[4];
vec2_t texCoords[4];
vec4_t box;
FBO_Bind(tr.screenShadowFbo);
box[0] = backEnd.viewParms.viewportX * tr.screenShadowFbo->width / (float)glConfig.vidWidth;
box[1] = backEnd.viewParms.viewportY * tr.screenShadowFbo->height / (float)glConfig.vidHeight;
box[2] = backEnd.viewParms.viewportWidth * tr.screenShadowFbo->width / (float)glConfig.vidWidth;
box[3] = backEnd.viewParms.viewportHeight * tr.screenShadowFbo->height / (float)glConfig.vidHeight;
qglViewport(box[0], box[1], box[2], box[3]);
qglScissor(box[0], box[1], box[2], box[3]);
box[0] = backEnd.viewParms.viewportX / (float)glConfig.vidWidth;
box[1] = backEnd.viewParms.viewportY / (float)glConfig.vidHeight;
box[2] = box[0] + backEnd.viewParms.viewportWidth / (float)glConfig.vidWidth;
box[3] = box[1] + backEnd.viewParms.viewportHeight / (float)glConfig.vidHeight;
texCoords[0][0] = box[0]; texCoords[0][1] = box[3];
texCoords[1][0] = box[2]; texCoords[1][1] = box[3];
texCoords[2][0] = box[2]; texCoords[2][1] = box[1];
texCoords[3][0] = box[0]; texCoords[3][1] = box[1];
box[0] = -1.0f;
box[1] = -1.0f;
box[2] = 1.0f;
box[3] = 1.0f;
VectorSet4(quadVerts[0], box[0], box[3], 0, 1);
VectorSet4(quadVerts[1], box[2], box[3], 0, 1);
VectorSet4(quadVerts[2], box[2], box[1], 0, 1);
VectorSet4(quadVerts[3], box[0], box[1], 0, 1);
GL_State( GLS_DEPTHTEST_DISABLE );
GLSL_BindProgram(&tr.shadowmaskShader);
GL_BindToTMU(tr.renderDepthImage, TB_COLORMAP);
GL_BindToTMU(tr.sunShadowDepthImage[0], TB_SHADOWMAP);
GL_BindToTMU(tr.sunShadowDepthImage[1], TB_SHADOWMAP2);
GL_BindToTMU(tr.sunShadowDepthImage[2], TB_SHADOWMAP3);
GLSL_SetUniformMatrix16(&tr.shadowmaskShader, UNIFORM_SHADOWMVP, backEnd.refdef.sunShadowMvp[0]);
GLSL_SetUniformMatrix16(&tr.shadowmaskShader, UNIFORM_SHADOWMVP2, backEnd.refdef.sunShadowMvp[1]);
GLSL_SetUniformMatrix16(&tr.shadowmaskShader, UNIFORM_SHADOWMVP3, backEnd.refdef.sunShadowMvp[2]);
GLSL_SetUniformVec3(&tr.shadowmaskShader, UNIFORM_VIEWORIGIN, backEnd.refdef.vieworg);
{
vec4_t viewInfo;
vec3_t viewVector;
float zmax = backEnd.viewParms.zFar;
float ymax = zmax * tan(backEnd.viewParms.fovY * M_PI / 360.0f);
float xmax = zmax * tan(backEnd.viewParms.fovX * M_PI / 360.0f);
float zmin = r_znear->value;
VectorScale(backEnd.refdef.viewaxis[0], zmax, viewVector);
GLSL_SetUniformVec3(&tr.shadowmaskShader, UNIFORM_VIEWFORWARD, viewVector);
VectorScale(backEnd.refdef.viewaxis[1], xmax, viewVector);
GLSL_SetUniformVec3(&tr.shadowmaskShader, UNIFORM_VIEWLEFT, viewVector);
VectorScale(backEnd.refdef.viewaxis[2], ymax, viewVector);
GLSL_SetUniformVec3(&tr.shadowmaskShader, UNIFORM_VIEWUP, viewVector);
VectorSet4(viewInfo, zmax / zmin, zmax, 0.0, 0.0);
GLSL_SetUniformVec4(&tr.shadowmaskShader, UNIFORM_VIEWINFO, viewInfo);
}
RB_InstantQuad2(quadVerts, texCoords); //, color, shaderProgram, invTexRes);
}
if (r_ssao->integer)
{
vec4_t quadVerts[4];
vec2_t texCoords[4];
FBO_Bind(tr.quarterFbo[0]);
qglViewport(0, 0, tr.quarterFbo[0]->width, tr.quarterFbo[0]->height);
qglScissor(0, 0, tr.quarterFbo[0]->width, tr.quarterFbo[0]->height);
VectorSet4(quadVerts[0], -1, 1, 0, 1);
VectorSet4(quadVerts[1], 1, 1, 0, 1);
VectorSet4(quadVerts[2], 1, -1, 0, 1);
VectorSet4(quadVerts[3], -1, -1, 0, 1);
texCoords[0][0] = 0; texCoords[0][1] = 1;
texCoords[1][0] = 1; texCoords[1][1] = 1;
texCoords[2][0] = 1; texCoords[2][1] = 0;
texCoords[3][0] = 0; texCoords[3][1] = 0;
GL_State( GLS_DEPTHTEST_DISABLE );
GLSL_BindProgram(&tr.ssaoShader);
GL_BindToTMU(tr.hdrDepthImage, TB_COLORMAP);
{
vec4_t viewInfo;
float zmax = backEnd.viewParms.zFar;
float zmin = r_znear->value;
VectorSet4(viewInfo, zmax / zmin, zmax, 0.0, 0.0);
GLSL_SetUniformVec4(&tr.ssaoShader, UNIFORM_VIEWINFO, viewInfo);
}
RB_InstantQuad2(quadVerts, texCoords); //, color, shaderProgram, invTexRes);
FBO_Bind(tr.quarterFbo[1]);
qglViewport(0, 0, tr.quarterFbo[1]->width, tr.quarterFbo[1]->height);
qglScissor(0, 0, tr.quarterFbo[1]->width, tr.quarterFbo[1]->height);
GLSL_BindProgram(&tr.depthBlurShader[0]);
GL_BindToTMU(tr.quarterImage[0], TB_COLORMAP);
GL_BindToTMU(tr.hdrDepthImage, TB_LIGHTMAP);
{
vec4_t viewInfo;
float zmax = backEnd.viewParms.zFar;
float zmin = r_znear->value;
VectorSet4(viewInfo, zmax / zmin, zmax, 0.0, 0.0);
GLSL_SetUniformVec4(&tr.depthBlurShader[0], UNIFORM_VIEWINFO, viewInfo);
}
RB_InstantQuad2(quadVerts, texCoords); //, color, shaderProgram, invTexRes);
FBO_Bind(tr.screenSsaoFbo);
qglViewport(0, 0, tr.screenSsaoFbo->width, tr.screenSsaoFbo->height);
qglScissor(0, 0, tr.screenSsaoFbo->width, tr.screenSsaoFbo->height);
GLSL_BindProgram(&tr.depthBlurShader[1]);
GL_BindToTMU(tr.quarterImage[1], TB_COLORMAP);
GL_BindToTMU(tr.hdrDepthImage, TB_LIGHTMAP);
{
vec4_t viewInfo;
float zmax = backEnd.viewParms.zFar;
float zmin = r_znear->value;
VectorSet4(viewInfo, zmax / zmin, zmax, 0.0, 0.0);
GLSL_SetUniformVec4(&tr.depthBlurShader[1], UNIFORM_VIEWINFO, viewInfo);
}
RB_InstantQuad2(quadVerts, texCoords); //, color, shaderProgram, invTexRes);
}
// reset viewport and scissor
FBO_Bind(oldFbo);
SetViewportAndScissor();
}
if (glRefConfig.framebufferObject && (backEnd.viewParms.flags & VPF_DEPTHCLAMP) && glRefConfig.depthClamp)
{
qglDisable(GL_DEPTH_CLAMP);
}
if (!(backEnd.viewParms.flags & VPF_DEPTHSHADOW))
{
RB_RenderDrawSurfList( cmd->drawSurfs, cmd->numDrawSurfs );
if (r_drawSun->integer)
{
RB_DrawSun(0.1, tr.sunShader);
}
if (r_drawSunRays->integer)
{
FBO_t *oldFbo = glState.currentFBO;
FBO_Bind(tr.sunRaysFbo);
qglClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
qglClear( GL_COLOR_BUFFER_BIT );
if (glRefConfig.occlusionQuery)
{
tr.sunFlareQueryActive[tr.sunFlareQueryIndex] = qtrue;
qglBeginQueryARB(GL_SAMPLES_PASSED_ARB, tr.sunFlareQuery[tr.sunFlareQueryIndex]);
}
RB_DrawSun(0.3, tr.sunFlareShader);
if (glRefConfig.occlusionQuery)
{
qglEndQueryARB(GL_SAMPLES_PASSED_ARB);
}
FBO_Bind(oldFbo);
}
// darken down any stencil shadows
RB_ShadowFinish();
// add light flares on lights that aren't obscured
RB_RenderFlares();
}
if (glRefConfig.framebufferObject && backEnd.viewParms.targetFbo == tr.renderCubeFbo)
{
FBO_Bind(NULL);
GL_SelectTexture(TB_CUBEMAP);
GL_BindToTMU(tr.cubemaps[backEnd.viewParms.targetFboCubemapIndex], TB_CUBEMAP);
qglGenerateMipmapEXT(GL_TEXTURE_CUBE_MAP);
GL_SelectTexture(0);
}
return (const void *)(cmd + 1);
}
/*
==================
RB_RenderFlare
==================
*/
void RB_RenderFlare(flare_t * f)
{
float size;
vec3_t color;
int iColor[3];
backEnd.pc.c_flareRenders++;
//----(SA) changed to use alpha blend rather than additive blend
// this is to accomidate the fact we can't right now do
// additive blends and have them fog correctly with our distance fog.
// /when/ we fix the blend problems with distance fog, this should
// be changed back to additive since there's nearly no hit for that
// but the alpha blend is noticably slower.
// VectorScale( f->color, f->drawIntensity*tr.identityLight, color );
VectorScale(f->color, tr.identityLight, color); //----(SA) mod for alpha blend rather than additive
iColor[0] = color[0] * 255;
iColor[1] = color[1] * 255;
iColor[2] = color[2] * 255;
size = backEnd.viewParms.viewportWidth * ((r_flareSize->value * f->scale) / 640.0 + 8 / -f->eyeZ);
RB_BeginSurface(tr.flareShader, f->fogNum);
// FIXME: use quadstamp?
tess.xyz[tess.numVertexes].v[0] = f->windowX - size;
tess.xyz[tess.numVertexes].v[1] = f->windowY - size;
tess.texCoords0[tess.numVertexes].v[0] = 0;
tess.texCoords0[tess.numVertexes].v[1] = 0;
tess.vertexColors[tess.numVertexes].v[0] = iColor[0];
tess.vertexColors[tess.numVertexes].v[1] = iColor[1];
tess.vertexColors[tess.numVertexes].v[2] = iColor[2];
tess.vertexColors[tess.numVertexes].v[3] = f->drawIntensity * 255; //----(SA) mod for alpha blend rather than additive
// tess.vertexColors[tess.numVertexes].v[3] = 255; //----(SA) mod for alpha blend rather than additive
tess.numVertexes++;
tess.xyz[tess.numVertexes].v[0] = f->windowX - size;
tess.xyz[tess.numVertexes].v[1] = f->windowY + size;
tess.texCoords0[tess.numVertexes].v[0] = 0;
tess.texCoords0[tess.numVertexes].v[1] = 1;
tess.vertexColors[tess.numVertexes].v[0] = iColor[0];
tess.vertexColors[tess.numVertexes].v[1] = iColor[1];
tess.vertexColors[tess.numVertexes].v[2] = iColor[2];
tess.vertexColors[tess.numVertexes].v[3] = f->drawIntensity * 255; //----(SA) mod for alpha blend rather than additive
// tess.vertexColors[tess.numVertexes].v[3] = 255; //----(SA) mod for alpha blend rather than additive
tess.numVertexes++;
tess.xyz[tess.numVertexes].v[0] = f->windowX + size;
tess.xyz[tess.numVertexes].v[1] = f->windowY + size;
tess.texCoords0[tess.numVertexes].v[0] = 1;
tess.texCoords0[tess.numVertexes].v[1] = 1;
tess.vertexColors[tess.numVertexes].v[0] = iColor[0];
tess.vertexColors[tess.numVertexes].v[1] = iColor[1];
tess.vertexColors[tess.numVertexes].v[2] = iColor[2];
tess.vertexColors[tess.numVertexes].v[3] = f->drawIntensity * 255; //----(SA) mod for alpha blend rather than additive
// tess.vertexColors[tess.numVertexes].v[3] = 255; //----(SA) mod for alpha blend rather than additive
tess.numVertexes++;
tess.xyz[tess.numVertexes].v[0] = f->windowX + size;
tess.xyz[tess.numVertexes].v[1] = f->windowY - size;
tess.texCoords0[tess.numVertexes].v[0] = 1;
tess.texCoords0[tess.numVertexes].v[1] = 0;
tess.vertexColors[tess.numVertexes].v[0] = iColor[0];
tess.vertexColors[tess.numVertexes].v[1] = iColor[1];
tess.vertexColors[tess.numVertexes].v[2] = iColor[2];
tess.vertexColors[tess.numVertexes].v[3] = f->drawIntensity * 255; //----(SA) mod for alpha blend rather than additive
// tess.vertexColors[tess.numVertexes].v[3] = 255; //----(SA) mod for alpha blend rather than additive
tess.numVertexes++;
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 1;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 0;
tess.indexes[tess.numIndexes++] = 2;
tess.indexes[tess.numIndexes++] = 3;
RB_EndSurface();
}
/*
=============
RB_PostProcess
=============
*/
const void *RB_PostProcess(const void *data)
{
const postProcessCommand_t *cmd = data;
FBO_t *srcFbo;
vec4i_t srcBox, dstBox;
qboolean autoExposure;
// finish any 2D drawing if needed
if(tess.numIndexes)
RB_EndSurface();
if (!glRefConfig.framebufferObject || !r_postProcess->integer)
{
// do nothing
return (const void *)(cmd + 1);
}
if (cmd)
{
backEnd.refdef = cmd->refdef;
backEnd.viewParms = cmd->viewParms;
}
srcFbo = tr.renderFbo;
if (tr.msaaResolveFbo)
{
// Resolve the MSAA before anything else
// Can't resolve just part of the MSAA FBO, so multiple views will suffer a performance hit here
FBO_FastBlit(tr.renderFbo, NULL, tr.msaaResolveFbo, NULL, GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT, GL_NEAREST);
srcFbo = tr.msaaResolveFbo;
}
dstBox[0] = backEnd.viewParms.viewportX;
dstBox[1] = backEnd.viewParms.viewportY;
dstBox[2] = backEnd.viewParms.viewportWidth;
dstBox[3] = backEnd.viewParms.viewportHeight;
if (r_ssao->integer)
{
srcBox[0] = backEnd.viewParms.viewportX * tr.screenSsaoImage->width / (float)glConfig.vidWidth;
srcBox[1] = backEnd.viewParms.viewportY * tr.screenSsaoImage->height / (float)glConfig.vidHeight;
srcBox[2] = backEnd.viewParms.viewportWidth * tr.screenSsaoImage->width / (float)glConfig.vidWidth;
srcBox[3] = backEnd.viewParms.viewportHeight * tr.screenSsaoImage->height / (float)glConfig.vidHeight;
//FBO_BlitFromTexture(tr.screenSsaoImage, srcBox, NULL, srcFbo, dstBox, NULL, NULL, GLS_SRCBLEND_DST_COLOR | GLS_DSTBLEND_ZERO);
srcBox[1] = tr.screenSsaoImage->height - srcBox[1];
srcBox[3] = -srcBox[3];
FBO_Blit(tr.screenSsaoFbo, srcBox, NULL, srcFbo, dstBox, NULL, NULL, GLS_SRCBLEND_DST_COLOR | GLS_DSTBLEND_ZERO);
}
srcBox[0] = backEnd.viewParms.viewportX;
srcBox[1] = backEnd.viewParms.viewportY;
srcBox[2] = backEnd.viewParms.viewportWidth;
srcBox[3] = backEnd.viewParms.viewportHeight;
if (srcFbo)
{
if (r_hdr->integer && (r_toneMap->integer || r_forceToneMap->integer))
{
autoExposure = r_autoExposure->integer || r_forceAutoExposure->integer;
RB_ToneMap(srcFbo, srcBox, NULL, dstBox, autoExposure);
}
else if (r_cameraExposure->value == 0.0f)
{
FBO_FastBlit(srcFbo, srcBox, NULL, dstBox, GL_COLOR_BUFFER_BIT, GL_NEAREST);
}
else
{
vec4_t color;
color[0] =
color[1] =
color[2] = pow(2, r_cameraExposure->value); //exp2(r_cameraExposure->value);
color[3] = 1.0f;
FBO_Blit(srcFbo, srcBox, NULL, NULL, dstBox, NULL, color, 0);
}
}
if (r_drawSunRays->integer)
RB_SunRays(NULL, srcBox, NULL, dstBox);
if (1)
RB_BokehBlur(NULL, srcBox, NULL, dstBox, backEnd.refdef.blurFactor);
else
RB_GaussianBlur(backEnd.refdef.blurFactor);
if (0)
{
vec4i_t dstBox;
VectorSet4(dstBox, 0, 0, 128, 128);
FBO_BlitFromTexture(tr.sunShadowDepthImage[0], NULL, NULL, NULL, dstBox, NULL, NULL, 0);
VectorSet4(dstBox, 128, 0, 128, 128);
FBO_BlitFromTexture(tr.sunShadowDepthImage[1], NULL, NULL, NULL, dstBox, NULL, NULL, 0);
VectorSet4(dstBox, 256, 0, 128, 128);
FBO_BlitFromTexture(tr.sunShadowDepthImage[2], NULL, NULL, NULL, dstBox, NULL, NULL, 0);
}
if (0)
{
vec4i_t dstBox;
VectorSet4(dstBox, 256, glConfig.vidHeight - 256, 256, 256);
FBO_BlitFromTexture(tr.renderDepthImage, NULL, NULL, NULL, dstBox, NULL, NULL, 0);
VectorSet4(dstBox, 512, glConfig.vidHeight - 256, 256, 256);
FBO_BlitFromTexture(tr.screenShadowImage, NULL, NULL, NULL, dstBox, NULL, NULL, 0);
}
if (0)
{
vec4i_t dstBox;
VectorSet4(dstBox, 256, glConfig.vidHeight - 256, 256, 256);
FBO_BlitFromTexture(tr.sunRaysImage, NULL, NULL, NULL, dstBox, NULL, NULL, 0);
}
#if 0
if (r_cubeMapping->integer && tr.numCubemaps)
{
vec4i_t dstBox;
int cubemapIndex = R_CubemapForPoint( backEnd.viewParms.or.origin );
if (cubemapIndex)
{
VectorSet4(dstBox, 0, glConfig.vidHeight - 256, 256, 256);
//FBO_BlitFromTexture(tr.renderCubeImage, NULL, NULL, NULL, dstBox, &tr.testcubeShader, NULL, 0);
FBO_BlitFromTexture(tr.cubemaps[cubemapIndex - 1], NULL, NULL, NULL, dstBox, &tr.testcubeShader, NULL, 0);
}
}
#endif
backEnd.framePostProcessed = qtrue;
return (const void *)(cmd + 1);
}
/*
==============
RB_DrawSun
(SA) FIXME: sun should render behind clouds, so passing dark areas cover it up
==============
*/
void RB_DrawSun( float scale, shader_t *shader ) {
float size;
float dist;
vec3_t origin, vec1, vec2;
vec3_t temp;
// vec4_t color;
if ( !shader ) {
return;
}
if ( !backEnd.skyRenderedThisView ) {
return;
}
//qglLoadMatrixf( backEnd.viewParms.world.modelMatrix );
//qglTranslatef (backEnd.viewParms.or.origin[0], backEnd.viewParms.or.origin[1], backEnd.viewParms.or.origin[2]);
{
// FIXME: this could be a lot cleaner
mat4_t translation, modelview;
Mat4Translation( backEnd.viewParms.or.origin, translation );
Mat4Multiply( backEnd.viewParms.world.modelMatrix, translation, modelview );
GL_SetModelviewMatrix( modelview );
}
dist = backEnd.viewParms.zFar / 1.75; // div sqrt(3)
// (SA) shrunk the size of the sun
size = dist * scale;
VectorScale( tr.sunDirection, dist, origin );
PerpendicularVector( vec1, tr.sunDirection );
CrossProduct( tr.sunDirection, vec1, vec2 );
VectorScale( vec1, size, vec1 );
VectorScale( vec2, size, vec2 );
// farthest depth range
qglDepthRange( 1.0, 1.0 );
RB_BeginSurface( shader, 0, 0 );
// color[0] = color[1] = color[2] = color[3] = 1;
RB_AddQuadStamp(origin, vec1, vec2, colorWhite);
RB_EndSurface();
if ( r_drawSun->integer > 1 ) { // draw flare effect
// (SA) FYI: This is cheezy and was only a test so far.
// If we decide to use the flare business I will /definatly/ improve all this
// get a point a little closer
dist = dist * 0.7;
VectorScale( tr.sunDirection, dist, origin );
// and make the flare a little smaller
VectorScale( vec1, 0.5f, vec1 );
VectorScale( vec2, 0.5f, vec2 );
// add the vectors to give an 'off angle' result
VectorAdd( tr.sunDirection, backEnd.viewParms.or.axis[0], temp );
VectorNormalize( temp );
// amplify the result
origin[0] += temp[0] * 500.0;
origin[1] += temp[1] * 500.0;
origin[2] += temp[2] * 500.0;
// (SA) FIXME: todo: flare effect should render last (on top of everything else) and only when sun is in view (sun moving out of camera past degree n should start to cause flare dimming until view angle to sun is off by angle n + x.
// draw the flare
RB_BeginSurface( tr.sunflareShader_old[0], 0, 0 );
RB_AddQuadStamp( origin, vec1, vec2, colorWhite );
RB_EndSurface();
}
// back to normal depth range
qglDepthRange( 0.0, 1.0 );
}
