/*
==================
RB_NV20_DI_BumpAndLightPass
We are going to write alpha as light falloff * ( bump dot light ) * lightProjection
If the light isn't a monoLightShader, the lightProjection will be skipped, because
it will have to be done on an itterated basis
==================
*/
static void RB_NV20_DI_BumpAndLightPass(const drawInteraction_t *din, bool monoLightShader)
{
RB_LogComment("---------- RB_NV_BumpAndLightPass ----------\n");
GL_State(GLS_COLORMASK | GLS_DEPTHMASK | backEnd.depthFunc);
// texture 0 is the normalization cube map
// GL_TEXTURE0_ARB will be the normalized vector
// towards the light source
#ifdef MACOS_X
GL_SelectTexture(0);
qglEnableClientState(GL_TEXTURE_COORD_ARRAY);
#else
GL_SelectTextureNoClient(0);
#endif
if (din->ambientLight) {
globalImages->ambientNormalMap->Bind();
} else {
globalImages->normalCubeMapImage->Bind();
}
// texture 1 will be the per-surface bump map
#ifdef MACOS_X
GL_SelectTexture(1);
qglEnableClientState(GL_TEXTURE_COORD_ARRAY);
#else
GL_SelectTextureNoClient(1);
#endif
din->bumpImage->Bind();
// texture 2 will be the light falloff texture
#ifdef MACOS_X
GL_SelectTexture(2);
qglEnableClientState(GL_TEXTURE_COORD_ARRAY);
#else
GL_SelectTextureNoClient(2);
#endif
din->lightFalloffImage->Bind();
// texture 3 will be the light projection texture
#ifdef MACOS_X
GL_SelectTexture(3);
qglEnableClientState(GL_TEXTURE_COORD_ARRAY);
#else
GL_SelectTextureNoClient(3);
#endif
if (monoLightShader) {
din->lightImage->Bind();
} else {
// if the projected texture is multi-colored, we
// will need to do it in subsequent passes
globalImages->whiteImage->Bind();
}
// bind our "fragment program"
RB_NV20_BumpAndLightFragment();
// draw it
qglBindProgramARB(GL_VERTEX_PROGRAM_ARB, VPROG_NV20_BUMP_AND_LIGHT);
RB_DrawElementsWithCounters(din->surf->geo);
}
/*
=============
RB_ARB2_CreateDrawInteractions
=============
*/
void RB_ARB2_CreateDrawInteractions(const drawSurf_t *surf)
{
if (!surf) {
return;
}
// perform setup here that will be constant for all interactions
GL_State(GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE | GLS_DEPTHMASK | backEnd.depthFunc);
// bind the vertex program
if (r_testARBProgram.GetBool()) {
qglBindProgramARB(GL_VERTEX_PROGRAM_ARB, VPROG_TEST);
qglBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, FPROG_TEST);
} else {
qglBindProgramARB(GL_VERTEX_PROGRAM_ARB, VPROG_INTERACTION);
qglBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, FPROG_INTERACTION);
}
qglEnable(GL_VERTEX_PROGRAM_ARB);
qglEnable(GL_FRAGMENT_PROGRAM_ARB);
// enable the vertex arrays
qglEnableVertexAttribArrayARB(8);
qglEnableVertexAttribArrayARB(9);
qglEnableVertexAttribArrayARB(10);
qglEnableVertexAttribArrayARB(11);
qglEnableClientState(GL_COLOR_ARRAY);
// texture 0 is the normalization cube map for the vector towards the light
GL_SelectTextureNoClient(0);
if (backEnd.vLight->lightShader->IsAmbientLight()) {
globalImages->ambientNormalMap->Bind();
} else {
globalImages->normalCubeMapImage->Bind();
}
// texture 6 is the specular lookup table
GL_SelectTextureNoClient(6);
if (r_testARBProgram.GetBool()) {
globalImages->specular2DTableImage->Bind(); // variable specularity in alpha channel
} else {
globalImages->specularTableImage->Bind();
}
for (; surf ; surf=surf->nextOnLight) {
// perform setup here that will not change over multiple interaction passes
// set the vertex pointers
idDrawVert *ac = (idDrawVert *)vertexCache.Position(surf->geo->ambientCache);
qglColorPointer(4, GL_UNSIGNED_BYTE, sizeof(idDrawVert), ac->color);
qglVertexAttribPointerARB(11, 3, GL_FLOAT, false, sizeof(idDrawVert), ac->normal.ToFloatPtr());
qglVertexAttribPointerARB(10, 3, GL_FLOAT, false, sizeof(idDrawVert), ac->tangents[1].ToFloatPtr());
qglVertexAttribPointerARB(9, 3, GL_FLOAT, false, sizeof(idDrawVert), ac->tangents[0].ToFloatPtr());
qglVertexAttribPointerARB(8, 2, GL_FLOAT, false, sizeof(idDrawVert), ac->st.ToFloatPtr());
qglVertexPointer(3, GL_FLOAT, sizeof(idDrawVert), ac->xyz.ToFloatPtr());
// this may cause RB_ARB2_DrawInteraction to be exacuted multiple
// times with different colors and images if the surface or light have multiple layers
RB_CreateSingleDrawInteractions(surf, RB_ARB2_DrawInteraction);
}
qglDisableVertexAttribArrayARB(8);
qglDisableVertexAttribArrayARB(9);
qglDisableVertexAttribArrayARB(10);
qglDisableVertexAttribArrayARB(11);
qglDisableClientState(GL_COLOR_ARRAY);
// disable features
GL_SelectTextureNoClient(6);
globalImages->BindNull();
GL_SelectTextureNoClient(5);
globalImages->BindNull();
GL_SelectTextureNoClient(4);
globalImages->BindNull();
GL_SelectTextureNoClient(3);
globalImages->BindNull();
GL_SelectTextureNoClient(2);
globalImages->BindNull();
GL_SelectTextureNoClient(1);
globalImages->BindNull();
backEnd.glState.currenttmu = -1;
GL_SelectTexture(0);
qglDisable(GL_VERTEX_PROGRAM_ARB);
qglDisable(GL_FRAGMENT_PROGRAM_ARB);
}
/*
===================
RB_StageIteratorLightmappedMultitexture
===================
*/
void RB_StageIteratorLightmappedMultitexture(void)
{
shaderCommands_t *input = &tess;
shader_t *shader = input->shader;
// log this call
if (r_logFile->integer)
{
// don't just call LogComment, or we will get
// a call to va() every frame!
GLimp_LogComment(va("--- RB_StageIteratorLightmappedMultitexture( %s ) ---\n", tess.shader->name));
}
// set GL fog
SetIteratorFog();
// set face culling appropriately
GL_Cull(shader->cullType);
// set color, pointers, and lock
GL_State(GLS_DEFAULT);
qglVertexPointer(3, GL_FLOAT, 16, input->xyz);
#ifdef REPLACE_MODE
qglDisableClientState(GL_COLOR_ARRAY);
qglColor3f(1, 1, 1);
qglShadeModel(GL_FLAT);
#else
qglEnableClientState(GL_COLOR_ARRAY);
qglColorPointer(4, GL_UNSIGNED_BYTE, 0, tess.constantColor255);
#endif
// select base stage
GL_SelectTexture(0);
qglEnableClientState(GL_TEXTURE_COORD_ARRAY);
R_BindAnimatedImage(&tess.xstages[0]->bundle[0]);
qglTexCoordPointer(2, GL_FLOAT, 8, tess.texCoords0);
// configure second stage
GL_SelectTexture(1);
qglEnable(GL_TEXTURE_2D);
if (r_lightmap->integer)
{
GL_TexEnv(GL_REPLACE);
}
else
{
GL_TexEnv(GL_MODULATE);
}
// modified for snooper
if (tess.xstages[0]->bundle[1].isLightmap && (backEnd.refdef.rdflags & RDF_SNOOPERVIEW))
{
GL_Bind(tr.whiteImage);
}
else
{
R_BindAnimatedImage(&tess.xstages[0]->bundle[1]);
}
qglEnableClientState(GL_TEXTURE_COORD_ARRAY);
qglTexCoordPointer(2, GL_FLOAT, 8, tess.texCoords1);
// lock arrays
if (qglLockArraysEXT)
{
qglLockArraysEXT(0, input->numVertexes);
GLimp_LogComment("glLockArraysEXT\n");
}
R_DrawElements(input->numIndexes, input->indexes);
// disable texturing on TEXTURE1, then select TEXTURE0
qglDisable(GL_TEXTURE_2D);
qglDisableClientState(GL_TEXTURE_COORD_ARRAY);
GL_SelectTexture(0);
#ifdef REPLACE_MODE
GL_TexEnv(GL_MODULATE);
qglShadeModel(GL_SMOOTH);
#endif
// now do any dynamic lighting needed
//if ( tess.dlightBits && tess.shader->sort <= SS_OPAQUE )
if (tess.dlightBits && tess.shader->fogPass &&
!(tess.shader->surfaceFlags & (SURF_NODLIGHT | SURF_SKY)))
{
if (r_dynamiclight->integer == 2)
{
DynamicLightPass();
}
else
{
DynamicLightSinglePass();
}
}
// now do fog
if (tess.fogNum && tess.shader->fogPass)
{
RB_FogPass();
}
// unlock arrays
if (qglUnlockArraysEXT)
{
qglUnlockArraysEXT();
GLimp_LogComment("glUnlockArraysEXT\n");
}
}
static void ProjectDlightTexture( void ) {
int i, l;
vec3_t origin;
float *texCoords;
byte *colors;
byte clipBits[SHADER_MAX_VERTEXES];
float texCoordsArray[SHADER_MAX_VERTEXES][2];
byte colorArray[SHADER_MAX_VERTEXES][4];
glIndex_t hitIndexes[SHADER_MAX_INDEXES];
int numIndexes;
float scale;
float radius;
int fogging;
vec3_t floatColor;
shaderStage_t *dStage;
if ( !backEnd.refdef.num_dlights ) {
return;
}
for ( l = 0 ; l < backEnd.refdef.num_dlights ; l++ ) {
dlight_t *dl;
if ( !( tess.dlightBits & ( 1 << l ) ) ) {
continue; // this surface definately doesn't have any of this light
}
texCoords = texCoordsArray[0];
colors = colorArray[0];
dl = &backEnd.refdef.dlights[l];
VectorCopy( dl->transformed, origin );
radius = dl->radius;
scale = 1.0f / radius;
floatColor[0] = dl->color[0] * 255.0f;
floatColor[1] = dl->color[1] * 255.0f;
floatColor[2] = dl->color[2] * 255.0f;
for ( i = 0 ; i < tess.numVertexes ; i++, texCoords += 2, colors += 4 ) {
vec3_t dist;
int clip;
float modulate;
backEnd.pc.c_dlightVertexes++;
VectorSubtract( origin, tess.xyz[i], dist );
int l = 1;
int bestIndex = 0;
float greatest = tess.normal[i][0];
if (greatest < 0.0f)
{
greatest = -greatest;
}
if (VectorCompare(tess.normal[i], vec3_origin))
{ //damn you terrain!
bestIndex = 2;
}
else
{
while (l < 3)
{
if ((tess.normal[i][l] > greatest && tess.normal[i][l] > 0.0f) ||
(tess.normal[i][l] < -greatest && tess.normal[i][l] < 0.0f))
{
greatest = tess.normal[i][l];
if (greatest < 0.0f)
{
greatest = -greatest;
}
bestIndex = l;
}
l++;
}
}
float dUse = 0.0f;
const float maxScale = 1.5f;
const float maxGroundScale = 1.4f;
const float lightScaleTolerance = 0.1f;
if (bestIndex == 2)
{
dUse = origin[2]-tess.xyz[i][2];
if (dUse < 0.0f)
{
dUse = -dUse;
}
dUse = (radius*0.5f)/dUse;
if (dUse > maxGroundScale)
{
dUse = maxGroundScale;
}
else if (dUse < 0.1f)
{
dUse = 0.1f;
}
if (VectorCompare(tess.normal[i], vec3_origin) ||
tess.normal[i][0] > lightScaleTolerance ||
tess.normal[i][0] < -lightScaleTolerance ||
tess.normal[i][1] > lightScaleTolerance ||
tess.normal[i][1] < -lightScaleTolerance)
{ //if not perfectly flat, we must use a constant dist
scale = 1.0f / radius;
}
else
{
scale = 1.0f / (radius*dUse);
}
texCoords[0] = 0.5f + dist[0] * scale;
texCoords[1] = 0.5f + dist[1] * scale;
}
else if (bestIndex == 1)
{
dUse = origin[1]-tess.xyz[i][1];
if (dUse < 0.0f)
{
dUse = -dUse;
}
dUse = (radius*0.5f)/dUse;
if (dUse > maxScale)
{
dUse = maxScale;
}
else if (dUse < 0.1f)
{
dUse = 0.1f;
}
if (tess.normal[i][0] > lightScaleTolerance ||
tess.normal[i][0] < -lightScaleTolerance ||
tess.normal[i][2] > lightScaleTolerance ||
tess.normal[i][2] < -lightScaleTolerance)
{ //if not perfectly flat, we must use a constant dist
scale = 1.0f / radius;
}
else
{
scale = 1.0f / (radius*dUse);
}
texCoords[0] = 0.5f + dist[0] * scale;
texCoords[1] = 0.5f + dist[2] * scale;
}
else
{
dUse = origin[0]-tess.xyz[i][0];
if (dUse < 0.0f)
{
dUse = -dUse;
}
dUse = (radius*0.5f)/dUse;
if (dUse > maxScale)
{
dUse = maxScale;
}
else if (dUse < 0.1f)
{
dUse = 0.1f;
}
if (tess.normal[i][2] > lightScaleTolerance ||
tess.normal[i][2] < -lightScaleTolerance ||
tess.normal[i][1] > lightScaleTolerance ||
tess.normal[i][1] < -lightScaleTolerance)
{ //if not perfectly flat, we must use a constant dist
scale = 1.0f / radius;
}
else
{
scale = 1.0f / (radius*dUse);
}
texCoords[0] = 0.5f + dist[1] * scale;
texCoords[1] = 0.5f + dist[2] * scale;
}
clip = 0;
if ( texCoords[0] < 0.0f ) {
clip |= 1;
} else if ( texCoords[0] > 1.0f ) {
clip |= 2;
}
if ( texCoords[1] < 0.0f ) {
clip |= 4;
} else if ( texCoords[1] > 1.0f ) {
clip |= 8;
}
// modulate the strength based on the height and color
if ( dist[bestIndex] > radius ) {
clip |= 16;
modulate = 0.0f;
} else if ( dist[bestIndex] < -radius ) {
clip |= 32;
modulate = 0.0f;
} else {
dist[bestIndex] = Q_fabs(dist[bestIndex]);
if ( dist[bestIndex] < radius * 0.5f ) {
modulate = 1.0f;
} else {
modulate = 2.0f * (radius - dist[bestIndex]) * scale;
}
}
clipBits[i] = clip;
colors[0] = Q_ftol(floatColor[0] * modulate);
colors[1] = Q_ftol(floatColor[1] * modulate);
colors[2] = Q_ftol(floatColor[2] * modulate);
colors[3] = 255;
}
// build a list of triangles that need light
numIndexes = 0;
for ( i = 0 ; i < tess.numIndexes ; i += 3 ) {
int a, b, c;
a = tess.indexes[i];
b = tess.indexes[i+1];
c = tess.indexes[i+2];
if ( clipBits[a] & clipBits[b] & clipBits[c] ) {
continue; // not lighted
}
hitIndexes[numIndexes] = a;
hitIndexes[numIndexes+1] = b;
hitIndexes[numIndexes+2] = c;
numIndexes += 3;
}
if ( !numIndexes ) {
continue;
}
//don't have fog enabled when we redraw with alpha test, or it will double over
//and screw the tri up -rww
if (r_drawfog->value == 2 &&
tr.world &&
(tess.fogNum == tr.world->globalFog || tess.fogNum == tr.world->numfogs))
{
fogging = qglIsEnabled(GL_FOG);
if (fogging)
{
qglDisable(GL_FOG);
}
}
else
{
fogging = 0;
}
dStage = NULL;
if (tess.shader && qglActiveTextureARB)
{
int i = 0;
while (i < tess.shader->numUnfoggedPasses)
{
const int blendBits = (GLS_SRCBLEND_BITS+GLS_DSTBLEND_BITS);
if (((tess.shader->stages[i].bundle[0].image && !tess.shader->stages[i].bundle[0].isLightmap && !tess.shader->stages[i].bundle[0].numTexMods) ||
(tess.shader->stages[i].bundle[1].image && !tess.shader->stages[i].bundle[1].isLightmap && !tess.shader->stages[i].bundle[1].numTexMods)) &&
(tess.shader->stages[i].stateBits & blendBits) == 0 )
{ //only use non-lightmap opaque stages
dStage = &tess.shader->stages[i];
break;
}
i++;
}
}
if (dStage)
{
GL_SelectTexture( 0 );
GL_State(0);
qglTexCoordPointer( 2, GL_FLOAT, 0, tess.svars.texcoords[0] );
if (dStage->bundle[0].image && !dStage->bundle[0].isLightmap && !dStage->bundle[0].numTexMods)
{
R_BindAnimatedImage( &dStage->bundle[0] );
}
else
{
R_BindAnimatedImage( &dStage->bundle[1] );
}
GL_SelectTexture( 1 );
qglEnable( GL_TEXTURE_2D );
qglEnableClientState( GL_TEXTURE_COORD_ARRAY );
qglTexCoordPointer( 2, GL_FLOAT, 0, texCoordsArray[0] );
qglEnableClientState( GL_COLOR_ARRAY );
qglColorPointer( 4, GL_UNSIGNED_BYTE, 0, colorArray );
GL_Bind( tr.dlightImage );
GL_TexEnv( GL_MODULATE );
GL_State(GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE | GLS_DEPTHFUNC_EQUAL);// | GLS_ATEST_GT_0);
R_DrawElements( numIndexes, hitIndexes );
qglDisable( GL_TEXTURE_2D );
GL_SelectTexture(0);
}
else
{
qglEnableClientState( GL_TEXTURE_COORD_ARRAY );
qglTexCoordPointer( 2, GL_FLOAT, 0, texCoordsArray[0] );
qglEnableClientState( GL_COLOR_ARRAY );
qglColorPointer( 4, GL_UNSIGNED_BYTE, 0, colorArray );
GL_Bind( tr.dlightImage );
// include GLS_DEPTHFUNC_EQUAL so alpha tested surfaces don't add light
// where they aren't rendered
if ( dl->additive ) {
GL_State( GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE | GLS_DEPTHFUNC_EQUAL );
}
else {
GL_State( GLS_SRCBLEND_DST_COLOR | GLS_DSTBLEND_ONE | GLS_DEPTHFUNC_EQUAL );
}
R_DrawElements( numIndexes, hitIndexes );
}
if (fogging)
{
qglEnable(GL_FOG);
}
backEnd.pc.c_totalIndexes += numIndexes;
backEnd.pc.c_dlightIndexes += numIndexes;
}
}
/*
=============
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 (r_sunlightMode->integer && 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);
if (r_shadowCascadeZFar->integer != 0)
{
GL_BindToTMU(tr.sunShadowDepthImage[0], TB_SHADOWMAP);
GL_BindToTMU(tr.sunShadowDepthImage[1], TB_SHADOWMAP2);
GL_BindToTMU(tr.sunShadowDepthImage[2], TB_SHADOWMAP3);
GL_BindToTMU(tr.sunShadowDepthImage[3], TB_SHADOWMAP4);
GLSL_SetUniformMat4(&tr.shadowmaskShader, UNIFORM_SHADOWMVP, backEnd.refdef.sunShadowMvp[0]);
GLSL_SetUniformMat4(&tr.shadowmaskShader, UNIFORM_SHADOWMVP2, backEnd.refdef.sunShadowMvp[1]);
GLSL_SetUniformMat4(&tr.shadowmaskShader, UNIFORM_SHADOWMVP3, backEnd.refdef.sunShadowMvp[2]);
GLSL_SetUniformMat4(&tr.shadowmaskShader, UNIFORM_SHADOWMVP4, backEnd.refdef.sunShadowMvp[3]);
}
else
{
GL_BindToTMU(tr.sunShadowDepthImage[3], TB_SHADOWMAP);
GLSL_SetUniformMat4(&tr.shadowmaskShader, UNIFORM_SHADOWMVP, backEnd.refdef.sunShadowMvp[3]);
}
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 && tr.renderCubeFbo && 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);
}
void RB_StageIteratorLightmappedMultitexture( void ) {
shaderCommands_t *input;
input = &tess;
//
// log this call
//
if ( r_logFile->integer ) {
// don't just call LogComment, or we will get
// a call to va() every frame!
GLimp_LogComment( va("--- RB_StageIteratorLightmappedMultitexture( %s ) ---\n", tess.shader->name) );
}
//
// set face culling appropriately
//
GL_Cull( input->shader->cullType );
//
// set color, pointers, and lock
//
GL_State( GLS_DEFAULT );
qglVertexPointer( 3, GL_FLOAT, 16, input->xyz );
#ifdef REPLACE_MODE
qglDisableClientState( GL_COLOR_ARRAY );
qglColor3f( 1, 1, 1 );
qglShadeModel( GL_FLAT );
#else
qglEnableClientState( GL_COLOR_ARRAY );
qglColorPointer( 4, GL_UNSIGNED_BYTE, 0, tess.constantColor255 );
#endif
//
// select base stage
//
GL_SelectTexture( 0 );
qglEnableClientState( GL_TEXTURE_COORD_ARRAY );
R_BindAnimatedImage( &tess.xstages[0]->bundle[0] );
qglTexCoordPointer( 2, GL_FLOAT, 16, tess.texCoords[0][0] );
//
// configure second stage
//
GL_SelectTexture( 1 );
qglEnable( GL_TEXTURE_2D );
if ( r_lightmap->integer ) {
GL_TexEnv( GL_REPLACE );
} else {
GL_TexEnv( GL_MODULATE );
}
R_BindAnimatedImage( &tess.xstages[0]->bundle[1] );
qglEnableClientState( GL_TEXTURE_COORD_ARRAY );
qglTexCoordPointer( 2, GL_FLOAT, 16, tess.texCoords[0][1] );
//
// lock arrays
//
if ( qglLockArraysEXT ) {
qglLockArraysEXT(0, input->numVertexes);
GLimp_LogComment( "glLockArraysEXT\n" );
}
R_DrawElements( input->numIndexes, input->indexes );
//
// disable texturing on TEXTURE1, then select TEXTURE0
//
qglDisable( GL_TEXTURE_2D );
qglDisableClientState( GL_TEXTURE_COORD_ARRAY );
GL_SelectTexture( 0 );
#ifdef REPLACE_MODE
GL_TexEnv( GL_MODULATE );
qglShadeModel( GL_SMOOTH );
#endif
//
// now do any dynamic lighting needed
//
if ( tess.dlightBits && tess.shader->sort <= SS_OPAQUE ) {
ProjectDlightTexture();
}
//
// now do fog
//
if ( tess.fogNum && tess.shader->fogPass ) {
RB_FogPass();
}
//
// unlock arrays
//
if ( qglUnlockArraysEXT ) {
qglUnlockArraysEXT();
GLimp_LogComment( "glUnlockArraysEXT\n" );
}
}
/*
=============
RB_GLSL_CreateDrawInteractions
=============
*/
static void RB_GLSL_CreateDrawInteractions( const drawSurf_t *surf ) {
if ( !surf ) {
return;
}
// perform setup here that will be constant for all interactions
GL_State( GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE | GLS_DEPTHMASK | backEnd.depthFunc );
// bind the vertex and fragment program
if ( backEnd.vLight->lightShader->IsAmbientLight() ) {
if (ambientInteractionShader.program == -1)
qglUseProgramObjectARB( 0 );
else
qglUseProgramObjectARB( ambientInteractionShader.program );
} else {
if (interactionShader.program == -1)
qglUseProgramObjectARB( 0 );
else
qglUseProgramObjectARB( interactionShader.program );
}
// enable the vertex arrays
qglEnableVertexAttribArrayARB( 8 );
qglEnableVertexAttribArrayARB( 9 );
qglEnableVertexAttribArrayARB( 10 );
qglEnableVertexAttribArrayARB( 11 );
qglEnableClientState( GL_COLOR_ARRAY );
for ( ; surf ; surf=surf->nextOnLight ) {
// perform setup here that will not change over multiple interaction passes
// set the vertex pointers
idDrawVert *ac = (idDrawVert *)vertexCache.Position( surf->geo->ambientCache );
qglColorPointer( 4, GL_UNSIGNED_BYTE, sizeof( idDrawVert ), ac->color );
qglVertexAttribPointerARB( 11, 3, GL_FLOAT, false, sizeof( idDrawVert ), ac->normal.ToFloatPtr() );
qglVertexAttribPointerARB( 10, 3, GL_FLOAT, false, sizeof( idDrawVert ), ac->tangents[1].ToFloatPtr() );
qglVertexAttribPointerARB( 9, 3, GL_FLOAT, false, sizeof( idDrawVert ), ac->tangents[0].ToFloatPtr() );
qglVertexAttribPointerARB( 8, 2, GL_FLOAT, false, sizeof( idDrawVert ), ac->st.ToFloatPtr() );
qglVertexPointer( 3, GL_FLOAT, sizeof( idDrawVert ), ac->xyz.ToFloatPtr() );
// set model matrix
if ( backEnd.vLight->lightShader->IsAmbientLight() ) {
qglUniformMatrix4fvARB( ambientInteractionShader.modelMatrix, 1, false, surf->space->modelMatrix );
} else {
qglUniformMatrix4fvARB( interactionShader.modelMatrix, 1, false, surf->space->modelMatrix );
}
// this may cause RB_GLSL_DrawInteraction to be executed multiple
// times with different colors and images if the surface or light have multiple layers
RB_CreateSingleDrawInteractions( surf, RB_GLSL_DrawInteraction );
}
qglDisableVertexAttribArrayARB( 8 );
qglDisableVertexAttribArrayARB( 9 );
qglDisableVertexAttribArrayARB( 10 );
qglDisableVertexAttribArrayARB( 11 );
qglDisableClientState( GL_COLOR_ARRAY );
// disable features
GL_SelectTextureNoClient( 4 );
globalImages->BindNull();
GL_SelectTextureNoClient( 3 );
globalImages->BindNull();
GL_SelectTextureNoClient( 2 );
globalImages->BindNull();
GL_SelectTextureNoClient( 1 );
globalImages->BindNull();
backEnd.glState.currenttmu = -1;
GL_SelectTexture( 0 );
qglUseProgramObjectARB( 0 );
}
static void ForwardDlight( void ) {
int l;
//vec3_t origin;
//float scale;
float radius;
int deformGen;
vec5_t deformParams;
vec4_t fogDistanceVector, fogDepthVector = {0, 0, 0, 0};
float eyeT = 0;
shaderCommands_t *input = &tess;
shaderStage_t *pStage = tess.xstages[0];
if ( !backEnd.refdef.num_dlights ) {
return;
}
ComputeDeformValues(&deformGen, deformParams);
ComputeFogValues(fogDistanceVector, fogDepthVector, &eyeT);
for ( l = 0 ; l < backEnd.refdef.num_dlights ; l++ ) {
dlight_t *dl;
shaderProgram_t *sp;
vec4_t vector;
vec4_t texMatrix;
vec4_t texOffTurb;
if ( !( tess.dlightBits & ( 1 << l ) ) ) {
continue; // this surface definately doesn't have any of this light
}
dl = &backEnd.refdef.dlights[l];
//VectorCopy( dl->transformed, origin );
radius = dl->radius;
//scale = 1.0f / radius;
//if (pStage->glslShaderGroup == tr.lightallShader)
{
int index = pStage->glslShaderIndex;
index &= ~LIGHTDEF_LIGHTTYPE_MASK;
index |= LIGHTDEF_USE_LIGHT_VECTOR;
sp = &tr.lightallShader[index];
}
backEnd.pc.c_lightallDraws++;
GLSL_BindProgram(sp);
GLSL_SetUniformMat4(sp, UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
GLSL_SetUniformVec3(sp, UNIFORM_VIEWORIGIN, backEnd.viewParms.or.origin);
GLSL_SetUniformVec3(sp, UNIFORM_LOCALVIEWORIGIN, backEnd.or.viewOrigin);
GLSL_SetUniformFloat(sp, UNIFORM_VERTEXLERP, glState.vertexAttribsInterpolation);
GLSL_SetUniformInt(sp, UNIFORM_DEFORMGEN, deformGen);
if (deformGen != DGEN_NONE)
{
GLSL_SetUniformFloat5(sp, UNIFORM_DEFORMPARAMS, deformParams);
GLSL_SetUniformFloat(sp, UNIFORM_TIME, tess.shaderTime);
}
if ( input->fogNum ) {
vec4_t fogColorMask;
GLSL_SetUniformVec4(sp, UNIFORM_FOGDISTANCE, fogDistanceVector);
GLSL_SetUniformVec4(sp, UNIFORM_FOGDEPTH, fogDepthVector);
GLSL_SetUniformFloat(sp, UNIFORM_FOGEYET, eyeT);
ComputeFogColorMask(pStage, fogColorMask);
GLSL_SetUniformVec4(sp, UNIFORM_FOGCOLORMASK, fogColorMask);
}
{
vec4_t baseColor;
vec4_t vertColor;
ComputeShaderColors(pStage, baseColor, vertColor, GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE);
GLSL_SetUniformVec4(sp, UNIFORM_BASECOLOR, baseColor);
GLSL_SetUniformVec4(sp, UNIFORM_VERTCOLOR, vertColor);
}
if (pStage->alphaGen == AGEN_PORTAL)
{
GLSL_SetUniformFloat(sp, UNIFORM_PORTALRANGE, tess.shader->portalRange);
}
GLSL_SetUniformInt(sp, UNIFORM_COLORGEN, pStage->rgbGen);
GLSL_SetUniformInt(sp, UNIFORM_ALPHAGEN, pStage->alphaGen);
GLSL_SetUniformVec3(sp, UNIFORM_DIRECTEDLIGHT, dl->color);
VectorSet(vector, 0, 0, 0);
GLSL_SetUniformVec3(sp, UNIFORM_AMBIENTLIGHT, vector);
VectorCopy(dl->origin, vector);
vector[3] = 1.0f;
GLSL_SetUniformVec4(sp, UNIFORM_LIGHTORIGIN, vector);
GLSL_SetUniformFloat(sp, UNIFORM_LIGHTRADIUS, radius);
GLSL_SetUniformVec4(sp, UNIFORM_NORMALSCALE, pStage->normalScale);
GLSL_SetUniformVec4(sp, UNIFORM_SPECULARSCALE, pStage->specularScale);
// include GLS_DEPTHFUNC_EQUAL so alpha tested surfaces don't add light
// where they aren't rendered
GL_State( GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE | GLS_DEPTHFUNC_EQUAL );
GLSL_SetUniformMat4(sp, UNIFORM_MODELMATRIX, backEnd.or.transformMatrix);
if (pStage->bundle[TB_DIFFUSEMAP].image[0])
R_BindAnimatedImageToTMU( &pStage->bundle[TB_DIFFUSEMAP], TB_DIFFUSEMAP);
// bind textures that are sampled and used in the glsl shader, and
// bind whiteImage to textures that are sampled but zeroed in the glsl shader
//
// alternatives:
// - use the last bound texture
// -> costs more to sample a higher res texture then throw out the result
// - disable texture sampling in glsl shader with #ifdefs, as before
// -> increases the number of shaders that must be compiled
//
if (pStage->bundle[TB_NORMALMAP].image[0])
{
R_BindAnimatedImageToTMU( &pStage->bundle[TB_NORMALMAP], TB_NORMALMAP);
}
else if (r_normalMapping->integer)
GL_BindToTMU( tr.whiteImage, TB_NORMALMAP );
if (pStage->bundle[TB_SPECULARMAP].image[0])
{
R_BindAnimatedImageToTMU( &pStage->bundle[TB_SPECULARMAP], TB_SPECULARMAP);
}
else if (r_specularMapping->integer)
GL_BindToTMU( tr.whiteImage, TB_SPECULARMAP );
{
vec4_t enableTextures;
VectorSet4(enableTextures, 0.0f, 0.0f, 0.0f, 0.0f);
GLSL_SetUniformVec4(sp, UNIFORM_ENABLETEXTURES, enableTextures);
}
if (r_dlightMode->integer >= 2)
{
GL_SelectTexture(TB_SHADOWMAP);
GL_Bind(tr.shadowCubemaps[l]);
GL_SelectTexture(0);
}
ComputeTexMods( pStage, TB_DIFFUSEMAP, texMatrix, texOffTurb );
GLSL_SetUniformVec4(sp, UNIFORM_DIFFUSETEXMATRIX, texMatrix);
GLSL_SetUniformVec4(sp, UNIFORM_DIFFUSETEXOFFTURB, texOffTurb);
GLSL_SetUniformInt(sp, UNIFORM_TCGEN0, pStage->bundle[0].tcGen);
//
// draw
//
if (input->multiDrawPrimitives)
{
R_DrawMultiElementsVBO(input->multiDrawPrimitives, input->multiDrawMinIndex, input->multiDrawMaxIndex, input->multiDrawNumIndexes, input->multiDrawFirstIndex);
}
else
{
R_DrawElementsVBO(input->numIndexes, input->firstIndex, input->minIndex, input->maxIndex);
}
backEnd.pc.c_totalIndexes += tess.numIndexes;
backEnd.pc.c_dlightIndexes += tess.numIndexes;
backEnd.pc.c_dlightVertexes += tess.numVertexes;
}
}
/*
* RB_GLSL_IterateStagesGeneric
* Iterate over each stage of a shader
*/
static void RB_GLSL_IterateStagesGeneric(shaderCommands_t *input) {
int stage;
for(stage = 0; stage < MAX_SHADER_STAGES; stage++) {
shaderStage_t *pStage = tess.xstages[stage];
glslProgram_t *program;
if (!pStage || pStage->program == tr.skipProgram)
break;
/* set state */
GL_State(pStage->stateBits);
/*
* this is an ugly hack to work around a GeForce driver
* bug with multitexture and clip planes
*/
if (backEnd.viewParms.isPortal)
qglPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
if (pStage->program)
/* use specified program */
R_GLSL_UseProgram(pStage->program);
else
/* use default program */
R_GLSL_UseProgram(tr.defaultProgram);
program = tr.programs[glState.currentProgram];
/* alphaGen */
if (program->u_AlphaGen > -1)
R_GLSL_SetUniform_AlphaGen(program, pStage->alphaGen);
/* ambient light */
if (program->u_AmbientLight > -1)
R_GLSL_SetUniform_AmbientLight(program, backEnd.currentEntity->ambientLight);
/* dynamic light */
if (program->u_DynamicLight > -1)
R_GLSL_SetUniform_DynamicLight(program, backEnd.currentEntity->dynamicLight);
/* light distance */
if (program->u_LightDistance > -1)
R_GLSL_SetUniform_LightDistance(program, backEnd.currentEntity->lightDistance);
/* rgbGen */
if (program->u_ColorGen > -1)
R_GLSL_SetUniform_ColorGen(program, pStage->rgbGen);
/* constant color */
if (program->u_ConstantColor > -1)
R_GLSL_SetUniform_ConstantColor(program, pStage->constantColor);
/* directed light */
if (program->u_DirectedLight > -1)
R_GLSL_SetUniform_DirectedLight(program, backEnd.currentEntity->directedLight);
/* entity color */
if (program->u_EntityColor > -1)
R_GLSL_SetUniform_EntityColor(program, backEnd.currentEntity->e.shaderRGBA);
/* fog color */
if (program->u_FogColor > -1 && tess.fogNum)
R_GLSL_SetUniform_FogColor(program, (tr.world->fogs + tess.fogNum)->colorInt);
/* greyscale */
if (program->u_Greyscale > -1)
R_GLSL_SetUniform_Greyscale(program, r_greyscale->integer);
/* identity light */
if (program->u_IdentityLight > -1)
R_GLSL_SetUniform_IdentityLight(program, tr.identityLight);
/* light direction */
if (program->u_LightDirection > -1)
R_GLSL_SetUniform_LightDirection(program, backEnd.currentEntity->lightDir);
/* model view matrix */
if (program->u_ModelViewMatrix > -1)
R_GLSL_SetUniform_ModelViewMatrix(program, glState.currentModelViewMatrix);
/* model view projection matrix */
if (program->u_ModelViewProjectionMatrix > -1)
R_GLSL_SetUniform_ModelViewProjectionMatrix(program, glState.currentModelViewProjectionMatrix);
/* projection matrix */
if (program->u_ProjectionMatrix > -1)
R_GLSL_SetUniform_ProjectionMatrix(program, glState.currentProjectionMatrix);
/* texture coordinates 0 */
if (program->u_TCGen0 > -1)
R_GLSL_SetUniform_TCGen0(program, pStage->bundle[0].tcGen);
/* texture coordinates 1 */
if (program->u_TCGen1 > -1)
R_GLSL_SetUniform_TCGen1(program, pStage->bundle[1].tcGen);
/* tex env */
if (program->u_TexEnv > -1) {
if (r_lightmap->integer)
R_GLSL_SetUniform_TexEnv(program, GL_REPLACE);
else
R_GLSL_SetUniform_TexEnv(program, input->shader->multitextureEnv);
}
/* texture unit 0 */
if (program->u_Texture0 > -1 && pStage->bundle[0].image[0]) {
GL_SelectTexture(0);
if (pStage->bundle[0].vertexLightmap && ((r_vertexLight->integer && !r_uiFullScreen->integer) || glConfig.hardwareType == GLHW_PERMEDIA2) && r_lightmap->integer)
GL_Bind(tr.whiteImage);
else
R_BindAnimatedImage(&pStage->bundle[0]);
}
/* texture unit 1 */
if (program->u_Texture1 > -1 && pStage->bundle[1].image[0]) {
GL_SelectTexture(1);
qglEnable(GL_TEXTURE_2D);
R_BindAnimatedImage(&pStage->bundle[1]);
}
/* texture unit 2 */
if (program->u_Texture2 > -1 && pStage->bundle[2].image[0]) {
GL_SelectTexture(2);
qglEnable(GL_TEXTURE_2D);
R_BindAnimatedImage(&pStage->bundle[2]);
}
/* texture unit 3 */
if (program->u_Texture3 > -1 && pStage->bundle[3].image[0]) {
GL_SelectTexture(3);
qglEnable(GL_TEXTURE_2D);
R_BindAnimatedImage(&pStage->bundle[3]);
}
/* texture unit 4 */
if (program->u_Texture4 > -1 && pStage->bundle[4].image[0]) {
GL_SelectTexture(4);
qglEnable(GL_TEXTURE_2D);
R_BindAnimatedImage(&pStage->bundle[4]);
}
/* texture unit 5 */
if (program->u_Texture5 > -1 && pStage->bundle[5].image[0]) {
GL_SelectTexture(5);
qglEnable(GL_TEXTURE_2D);
R_BindAnimatedImage(&pStage->bundle[5]);
}
/* texture unit 6 */
if (program->u_Texture6 > -1 && pStage->bundle[6].image[0]) {
GL_SelectTexture(6);
qglEnable(GL_TEXTURE_2D);
R_BindAnimatedImage(&pStage->bundle[6]);
}
/* texture unit 7 */
if (program->u_Texture7 > -1 && pStage->bundle[7].image[0]) {
GL_SelectTexture(7);
qglEnable(GL_TEXTURE_2D);
R_BindAnimatedImage(&pStage->bundle[7]);
}
/* time */
if (program->u_Time > -1)
R_GLSL_SetUniform_Time(program, input->shaderTime);
/* view origin */
if (program->u_ViewOrigin > -1)
R_GLSL_SetUniform_ViewOrigin(program, backEnd.or.viewOrigin);
/* draw */
R_DrawElements(input->numIndexes, input->indexes);
/* disable texture unit 7 */
if (program->u_Texture7 > -1)
qglDisable(GL_TEXTURE_2D);
/* disable texture unit 6 */
if (program->u_Texture6 > -1) {
GL_SelectTexture(6);
qglDisable(GL_TEXTURE_2D);
}
/* disable texture unit 5 */
if (program->u_Texture5 > -1) {
GL_SelectTexture(5);
qglDisable(GL_TEXTURE_2D);
}
/* disable texture unit 4 */
if (program->u_Texture4 > -1) {
GL_SelectTexture(4);
qglDisable(GL_TEXTURE_2D);
}
/* disable texture unit 3 */
if (program->u_Texture3 > -1) {
GL_SelectTexture(3);
qglDisable(GL_TEXTURE_2D);
}
/* disable texture unit 2 */
if (program->u_Texture2 > -1) {
GL_SelectTexture(2);
qglDisable(GL_TEXTURE_2D);
}
/* disable texture unit 1 */
if (program->u_Texture1 > -1) {
GL_SelectTexture(1);
qglDisable(GL_TEXTURE_2D);
qglDisableClientState(GL_TEXTURE_COORD_ARRAY);
}
/* switch to texture unit 0 */
GL_SelectTexture(0);
/* allow skipping out to show just lightmaps during development */
if (r_lightmap->integer && (pStage->bundle[0].isLightmap || pStage->bundle[1].isLightmap || pStage->bundle[0].vertexLightmap))
break;
}
/* switch to standard rendering pipeline */
R_GLSL_UseProgram(0);
}
/*
==================
RB_ARB2_DrawInteractions
==================
*/
void RB_ARB2_DrawInteractions( void ) {
viewLight_t *vLight;
const idMaterial *lightShader;
//FCS
int passCount=0;
GL_SelectTexture( 0 );
qglDisableClientState( GL_TEXTURE_COORD_ARRAY );
//printf("r_maxLightPasses = %d\n",r_maxLightPasses.GetInteger());
//
// for each light, perform adding and shadowing
//
for ( vLight = backEnd.viewDef->viewLights ; vLight && passCount < r_maxLightPasses.GetInteger(); vLight = vLight->next,passCount++ ) {
backEnd.vLight = vLight;
// do fogging later
if ( vLight->lightShader->IsFogLight() ) {
continue;
}
if ( vLight->lightShader->IsBlendLight() ) {
continue;
}
if ( !vLight->localInteractions && !vLight->globalInteractions
&& !vLight->translucentInteractions ) {
continue;
}
lightShader = vLight->lightShader;
// clear the stencil buffer if needed
if ( vLight->globalShadows || vLight->localShadows ) {
backEnd.currentScissor = vLight->scissorRect;
if ( r_useScissor.GetBool() ) {
qglScissor( backEnd.viewDef->viewport.x1 + backEnd.currentScissor.x1,
backEnd.viewDef->viewport.y1 + backEnd.currentScissor.y1,
backEnd.currentScissor.x2 + 1 - backEnd.currentScissor.x1,
backEnd.currentScissor.y2 + 1 - backEnd.currentScissor.y1 );
}
qglClear( GL_STENCIL_BUFFER_BIT );
} else {
// no shadows, so no need to read or write the stencil buffer
// we might in theory want to use GL_ALWAYS instead of disabling
// completely, to satisfy the invarience rules
qglStencilFunc( GL_ALWAYS, 128, 255 );
}
if ( r_useShadowVertexProgram.GetBool() ) {
qglEnable( GL_VERTEX_PROGRAM_ARB );
qglBindProgramARB( GL_VERTEX_PROGRAM_ARB, VPROG_STENCIL_SHADOW );
RB_StencilShadowPass( vLight->globalShadows );
RB_ARB2_CreateDrawInteractions( vLight->localInteractions );
qglEnable( GL_VERTEX_PROGRAM_ARB );
qglBindProgramARB( GL_VERTEX_PROGRAM_ARB, VPROG_STENCIL_SHADOW );
RB_StencilShadowPass( vLight->localShadows );
RB_ARB2_CreateDrawInteractions( vLight->globalInteractions );
qglDisable( GL_VERTEX_PROGRAM_ARB ); // if there weren't any globalInteractions, it would have stayed on
} else {
RB_StencilShadowPass( vLight->globalShadows );
RB_ARB2_CreateDrawInteractions( vLight->localInteractions );
RB_StencilShadowPass( vLight->localShadows );
RB_ARB2_CreateDrawInteractions( vLight->globalInteractions );
}
// translucent surfaces never get stencil shadowed
if ( r_skipTranslucent.GetBool() ) {
continue;
}
qglStencilFunc( GL_ALWAYS, 128, 255 );
backEnd.depthFunc = GLS_DEPTHFUNC_LESS;
RB_ARB2_CreateDrawInteractions( vLight->translucentInteractions );
backEnd.depthFunc = GLS_DEPTHFUNC_EQUAL;
}
// disable stencil shadow test
qglStencilFunc( GL_ALWAYS, 128, 255 );
GL_SelectTexture( 0 );
qglEnableClientState( GL_TEXTURE_COORD_ARRAY );
}
/*
============================
idAutoRender::RenderLoadingIcon
============================
*/
void idAutoRender::RenderLoadingIcon( float fracX, float fracY, float size, float speed )
{
float s = 0.0f;
float c = 1.0f;
if( autoRenderIcon != AUTORENDER_HELLICON )
{
if( Sys_Milliseconds() >= nextRotateTime )
{
nextRotateTime = Sys_Milliseconds() + 100;
currentRotation -= 90.0f;
}
float angle = DEG2RAD( currentRotation );
idMath::SinCos( angle, s, c );
}
const float pixelAspect = renderSystem->GetPixelAspect();
const float screenWidth = renderSystem->GetWidth();
const float screenHeight = renderSystem->GetHeight();
const float minSize = Min( screenWidth, screenHeight );
if( minSize <= 0.0f )
{
return;
}
float scaleX = size * minSize / screenWidth;
float scaleY = size * minSize / screenHeight;
float scale[16] = { 0 };
scale[0] = c * scaleX / pixelAspect;
scale[1] = -s * scaleY;
scale[4] = s * scaleX / pixelAspect;
scale[5] = c * scaleY;
scale[10] = 1.0f;
scale[15] = 1.0f;
scale[12] = fracX;
scale[13] = fracY;
float ortho[16] = { 0 };
ortho[0] = 2.0f;
ortho[5] = -2.0f;
ortho[10] = -2.0f;
ortho[12] = -1.0f;
ortho[13] = 1.0f;
ortho[14] = -1.0f;
ortho[15] = 1.0f;
float finalOrtho[16];
R_MatrixMultiply( scale, ortho, finalOrtho );
float projMatrixTranspose[16];
R_MatrixTranspose( finalOrtho, projMatrixTranspose );
renderProgManager.SetRenderParms( RENDERPARM_MVPMATRIX_X, projMatrixTranspose, 4 );
float a = 1.0f;
if( autoRenderIcon == AUTORENDER_HELLICON )
{
float alpha = DEG2RAD( Sys_Milliseconds() * speed );
a = idMath::Sin( alpha );
a = 0.35f + ( 0.65f * idMath::Fabs( a ) );
}
GL_SelectTexture( 0 );
if( autoRenderIcon == AUTORENDER_HELLICON )
{
globalImages->hellLoadingIconImage->Bind();
}
else
{
globalImages->loadingIconImage->Bind();
}
GL_State( GLS_DEPTHFUNC_ALWAYS | GLS_SRCBLEND_SRC_ALPHA | GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA );
// Set Parms
float texS[4] = { 1.0f, 0.0f, 0.0f, 0.0f };
float texT[4] = { 0.0f, 1.0f, 0.0f, 0.0f };
renderProgManager.SetRenderParm( RENDERPARM_TEXTUREMATRIX_S, texS );
renderProgManager.SetRenderParm( RENDERPARM_TEXTUREMATRIX_T, texT );
if( autoRenderIcon == AUTORENDER_HELLICON )
{
GL_Color( 1.0f, 1.0f, 1.0f, a );
}
// disable texgen
float texGenEnabled[4] = { 0, 0, 0, 0 };
renderProgManager.SetRenderParm( RENDERPARM_TEXGEN_0_ENABLED, texGenEnabled );
renderProgManager.BindShader_TextureVertexColor();
RB_DrawElementsWithCounters( &backEnd.unitSquareSurface );
}
/*
=============
RB_ARB2_CreateDrawInteractions
=============
*/
void RB_GLSL_CreateDrawInteractions( const drawSurf_t *surf ) {
if ( !surf ) {
return;
}
// perform setup here that will be constant for all interactions
GL_State( GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE | GLS_DEPTHMASK | backEnd.depthFunc );
//GL_Cull(CT_TWO_SIDED);
qglEnableClientState(GL_VERTEX_ARRAY);
//qglDisableClientState(GL_VERTEX_ARRAY);
qglDisableClientState(GL_TEXTURE_COORD_ARRAY);
glUseProgram(program);
float modelMatrix[16];
myGlMultMatrix( surf->space->modelViewMatrix, backEnd.viewDef->projectionMatrix, modelMatrix);
glUniformMatrix4fv(wvp, 1, GL_FALSE, &modelMatrix[0] );
//glUniformMatrix4fv(wvp1, 1, GL_FALSE, &surf->space->modelViewMatrix[0] );
//const float* mat = backEnd.viewDef->projectionMatrix;
//glUniformMatrix4fv(wvp, 1, GL_FALSE, &mat[0] );
// enable the vertex arrays
glEnableVertexAttribArray( 1 );
glEnableVertexAttribArray( 2 );
glEnableVertexAttribArray( 3 );
glEnableVertexAttribArray( 4 );
glEnableVertexAttribArray( 5 );
glEnableVertexAttribArray( 6 );
// texture 0 is the normalization cube map for the vector towards the light
glActiveTexture(GL_TEXTURE0);
backEnd.glState.currenttmu = 0;
if ( backEnd.vLight->lightShader->IsAmbientLight() ) {
globalImages->ambientNormalMap->Bind();
} else {
globalImages->normalCubeMapImage->Bind();
}
// texture 6 is the specular lookup table
glActiveTexture(GL_TEXTURE6);
backEnd.glState.currenttmu = 6;
if ( r_testARBProgram.GetBool() ) {
globalImages->specular2DTableImage->Bind(); // variable specularity in alpha channel
} else {
globalImages->specularTableImage->Bind();
}
for ( ; surf ; surf=surf->nextOnLight ) {
// set the vertex pointers
idDrawVert *ac = (idDrawVert *)vertexCache.Position( surf->geo->ambientCache );
qglVertexPointer( 3, GL_FLOAT, sizeof( idDrawVert ), ac->xyz.ToFloatPtr() );
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, sizeof(idDrawVert), ac->xyz.ToFloatPtr());
glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, sizeof(idDrawVert), ac->st.ToFloatPtr());
glVertexAttribPointer(3, 4, GL_UNSIGNED_BYTE, GL_FALSE, sizeof(idDrawVert), ac->color);
glVertexAttribPointer(4, 3, GL_FLOAT, GL_FALSE, sizeof(idDrawVert), ac->normal.ToFloatPtr());
glVertexAttribPointer(5, 3, GL_FLOAT, GL_FALSE, sizeof(idDrawVert), ac->tangents[0].ToFloatPtr());
glVertexAttribPointer(6, 3, GL_FLOAT, GL_FALSE, sizeof(idDrawVert), ac->tangents[1].ToFloatPtr());
idVec4 localLight;
R_GlobalPointToLocal( surf->space->modelMatrix, backEnd.vLight->globalLightOrigin, localLight.ToVec3() );
localLight.w = 0.0f;
glUniform3fv(lightOrgin, 1, localLight.ToFloatPtr());
//glDrawElements(GL_TRIANGLES, surf->geo->numIndexes, GL_UNSIGNED_SHORT, surf->geo->indexes);
// this may cause RB_ARB2_DrawInteraction to be exacuted multiple
// times with different colors and images if the surface or light have multiple layers
RB_CreateSingleDrawInteractions( surf, RB_GLSL_DrawInteraction );
}
glDisableVertexAttribArray( 1 );
glDisableVertexAttribArray( 2 );
glDisableVertexAttribArray( 3 );
glDisableVertexAttribArray( 4 );
glDisableVertexAttribArray( 5 );
glDisableVertexAttribArray( 6 );
// disable features
glActiveTexture( GL_TEXTURE6 );
backEnd.glState.currenttmu = 6;
globalImages->BindNull();
glActiveTexture( GL_TEXTURE5 );
backEnd.glState.currenttmu = 5;
globalImages->BindNull();
glActiveTexture( GL_TEXTURE4 );
backEnd.glState.currenttmu = 4;
globalImages->BindNull();
glActiveTexture( GL_TEXTURE3 );
backEnd.glState.currenttmu = 3;
globalImages->BindNull();
glActiveTexture( GL_TEXTURE2 );
backEnd.glState.currenttmu = 2;
globalImages->BindNull();
glActiveTexture( GL_TEXTURE1 );
backEnd.glState.currenttmu = 1;
globalImages->BindNull();
glUseProgram(0);
backEnd.glState.currenttmu = -1;
GL_SelectTexture(0 );
}
/*
===================
DrawMultitextured
output = t0 * t1 or t0 + t1
t0 = most upstream according to spec
t1 = most downstream according to spec
===================
*/
static void DrawMultitextured(shaderCommands_t * input, int stage)
{
shaderStage_t *pStage;
pStage = tess.xstages[stage];
// Ridah
if(tess.shader->noFog && pStage->isFogged)
{
R_FogOn();
}
else if(tess.shader->noFog && !pStage->isFogged)
{
R_FogOff(); // turn it back off
}
else
{ // make sure it's on
R_FogOn();
}
// done.
GL_State(pStage->stateBits);
// this is an ugly hack to work around a GeForce driver
// bug with multitexture and clip planes
if(backEnd.viewParms.isPortal)
{
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
}
//
// base
//
GL_SelectTexture(0);
glTexCoordPointer(2, GL_FLOAT, 0, input->svars.texcoords[0]);
R_BindAnimatedImage(&pStage->bundle[0]);
//
// lightmap/secondary pass
//
GL_SelectTexture(1);
glEnable(GL_TEXTURE_2D);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
if(r_lightmap->integer)
{
GL_TexEnv(GL_REPLACE);
}
else
{
GL_TexEnv(tess.shader->multitextureEnv);
}
glTexCoordPointer(2, GL_FLOAT, 0, input->svars.texcoords[1]);
R_BindAnimatedImage(&pStage->bundle[1]);
R_DrawElements(input->numIndexes, input->indexes);
//
// disable texturing on TEXTURE1, then select TEXTURE0
//
//glDisableClientState( GL_TEXTURE_COORD_ARRAY );
glDisable(GL_TEXTURE_2D);
GL_SelectTexture(0);
}
/*
====================
Unbind
This can go away once everything uses fragment programs so the enable states don't
need tracking
====================
*/
void idMegaTexture::Unbind( void ) {
for ( int i = 0 ; i < numLevels ; i++ ) {
GL_SelectTexture( 1+i );
globalImages->BindNull();
}
}
/*
=============
RB_NV20_CreateDrawInteractions
=============
*/
static void RB_NV20_CreateDrawInteractions(const drawSurf_t *surf)
{
if (!surf) {
return;
}
qglEnable(GL_VERTEX_PROGRAM_ARB);
qglEnable(GL_REGISTER_COMBINERS_NV);
#ifdef MACOS_X
GL_SelectTexture(0);
qglDisableClientState(GL_TEXTURE_COORD_ARRAY);
#else
qglDisableClientState(GL_TEXTURE_COORD_ARRAY);
qglEnableVertexAttribArrayARB(8);
qglEnableVertexAttribArrayARB(9);
qglEnableVertexAttribArrayARB(10);
qglEnableVertexAttribArrayARB(11);
#endif
for (; surf ; surf=surf->nextOnLight) {
// set the vertex pointers
idDrawVert *ac = (idDrawVert *)vertexCache.Position(surf->geo->ambientCache);
qglColorPointer(4, GL_UNSIGNED_BYTE, sizeof(idDrawVert), ac->color);
#ifdef MACOS_X
GL_SelectTexture(0);
qglTexCoordPointer(2, GL_FLOAT, sizeof(idDrawVert), ac->st.ToFloatPtr());
GL_SelectTexture(1);
qglTexCoordPointer(3, GL_FLOAT, sizeof(idDrawVert), ac->tangents[0].ToFloatPtr());
GL_SelectTexture(2);
qglTexCoordPointer(3, GL_FLOAT, sizeof(idDrawVert), ac->tangents[1].ToFloatPtr());
GL_SelectTexture(3);
qglTexCoordPointer(3, GL_FLOAT, sizeof(idDrawVert), ac->normal.ToFloatPtr());
GL_SelectTexture(0);
#else
qglVertexAttribPointerARB(11, 3, GL_FLOAT, false, sizeof(idDrawVert), ac->normal.ToFloatPtr());
qglVertexAttribPointerARB(10, 3, GL_FLOAT, false, sizeof(idDrawVert), ac->tangents[1].ToFloatPtr());
qglVertexAttribPointerARB(9, 3, GL_FLOAT, false, sizeof(idDrawVert), ac->tangents[0].ToFloatPtr());
qglVertexAttribPointerARB(8, 2, GL_FLOAT, false, sizeof(idDrawVert), ac->st.ToFloatPtr());
#endif
qglVertexPointer(3, GL_FLOAT, sizeof(idDrawVert), ac->xyz.ToFloatPtr());
RB_CreateSingleDrawInteractions(surf, RB_NV20_DrawInteraction);
}
#ifndef MACOS_X
qglDisableVertexAttribArrayARB(8);
qglDisableVertexAttribArrayARB(9);
qglDisableVertexAttribArrayARB(10);
qglDisableVertexAttribArrayARB(11);
#endif
// disable features
#ifdef MACOS_X
GL_SelectTexture(3);
globalImages->BindNull();
qglDisableClientState(GL_TEXTURE_COORD_ARRAY);
GL_SelectTexture(2);
globalImages->BindNull();
qglDisableClientState(GL_TEXTURE_COORD_ARRAY);
GL_SelectTexture(1);
globalImages->BindNull();
qglDisableClientState(GL_TEXTURE_COORD_ARRAY);
#else
GL_SelectTextureNoClient(3);
globalImages->BindNull();
GL_SelectTextureNoClient(2);
globalImages->BindNull();
GL_SelectTextureNoClient(1);
globalImages->BindNull();
#endif
backEnd.glState.currenttmu = -1;
GL_SelectTexture(0);
qglEnableClientState(GL_TEXTURE_COORD_ARRAY);
qglDisable(GL_VERTEX_PROGRAM_ARB);
qglDisable(GL_REGISTER_COMBINERS_NV);
}
/*
* RB_GLSL_StageIteratorGeneric
* Stage iterator for GLSL programs
*/
void RB_GLSL_StageIteratorGeneric(void) {
shaderCommands_t *input;
input = &tess;
/* log this call */
if (r_logFile->integer) {
/* don't just call LogComment, or we will get a call to va() every frame! */
GLimp_LogComment(va("--- R_GLSL_StageIteratorGeneric( %s ) ---\n", input->shader->name));
}
/* set face culling appropiately */
GL_Cull(input->shader->cullType);
/* set polygon offset if necessary */
if (input->shader->polygonOffset) {
qglEnable(GL_POLYGON_OFFSET_FILL);
qglPolygonOffset(r_offsetFactor->value, r_offsetUnits->value);
}
/* set vertex color array */
qglEnableClientState(GL_COLOR_ARRAY);
qglColorPointer(4, GL_UNSIGNED_BYTE, 0, input->vertexColors);
/* set texture coordinate array 0 */
GL_SelectTexture(0);
qglEnableClientState(GL_TEXTURE_COORD_ARRAY);
qglTexCoordPointer(2, GL_FLOAT, 16, input->texCoords[0][0]);
/* set texture coordinate array 1 */
GL_SelectTexture(1);
qglEnableClientState(GL_TEXTURE_COORD_ARRAY);
qglTexCoordPointer(2, GL_FLOAT, 16, input->texCoords[0][1]);
/* set vertex normal array */
qglEnableClientState(GL_NORMAL_ARRAY);
qglNormalPointer(GL_FLOAT, 16, input->normal);
/* lock XYZ */
qglVertexPointer(3, GL_FLOAT, 16, input->xyz); /* padded SIMD */
if (qglLockArraysEXT) {
qglLockArraysEXT(0, input->numVertexes);
GLimp_LogComment("glLockArraysEXT\n");
}
RB_GLSL_IterateStagesGeneric(input);
/* now do any dynamic lighting needed */
if (input->dlightBits && input->shader->sort <= SS_OPAQUE && !(input->shader->surfaceFlags & (SURF_NODLIGHT | SURF_SKY)))
ProjectDlightTexture();
// <-- RiO_Outlines: now do outlines
RB_OutlinesPass();
// -->
/* now do fog */
if (input->fogNum && input->shader->fogPass)
RB_FogPass(); // TODO: uses svars which aren't set, so move to program
/* unlock arrays */
if (qglUnlockArraysEXT) {
qglUnlockArraysEXT();
GLimp_LogComment("glUnlockArraysExt\n");
}
/* reset polygon offset */
if (input->shader->polygonOffset)
qglDisable(GL_POLYGON_OFFSET_FILL);
}
/*
================
Tess_StageIteratorSky
All of the visible sky triangles are in tess
Other things could be stuck in here, like birds in the sky, etc
================
*/
void Tess_StageIteratorSky( void )
{
#if !defined( USE_D3D10 )
// log this call
if ( r_logFile->integer )
{
// don't just call LogComment, or we will get
// a call to va() every frame!
GLimp_LogComment( va
( "--- Tess_StageIteratorSky( %s, %i vertices, %i triangles ) ---\n", tess.surfaceShader->name,
tess.numVertexes, tess.numIndexes / 3 ) );
}
if ( r_fastsky->integer )
{
return;
}
// trebor: HACK why does this happen with cg_draw2D 0 ?
if ( tess.stageIteratorFunc2 == NULL )
{
//tess.stageIteratorFunc2 = Tess_StageIteratorGeneric;
ri.Error( ERR_FATAL, "tess.stageIteratorFunc == NULL" );
}
if ( tess.stageIteratorFunc2 == &Tess_StageIteratorDepthFill )
{
// go through all the polygons and project them onto
// the sky box to see which blocks on each side need
// to be drawn
Tess_ClipSkyPolygons();
// generate the vertexes for all the clouds, which will be drawn
// by the generic shader routine
BuildCloudData();
if ( tess.numVertexes || tess.multiDrawPrimitives )
{
tess.stageIteratorFunc2();
}
}
else
{
if ( tess.stageIteratorFunc2 == &Tess_StageIteratorGBuffer )
{
R_BindFBO( tr.geometricRenderFBO );
}
// go through all the polygons and project them onto
// the sky box to see which blocks on each side need
// to be drawn
Tess_ClipSkyPolygons();
// r_showSky will let all the sky blocks be drawn in
// front of everything to allow developers to see how
// much sky is getting sucked in
if ( r_showSky->integer )
{
glDepthRange( 0.0, 0.0 );
}
else
{
glDepthRange( 1.0, 1.0 );
}
// draw the outer skybox
if ( tess.surfaceShader->sky.outerbox && tess.surfaceShader->sky.outerbox != tr.blackCubeImage )
{
#if 1
R_BindVBO( tess.vbo );
R_BindIBO( tess.ibo );
gl_skyboxShader->SetPortalClipping( backEnd.viewParms.isPortal );
gl_skyboxShader->BindProgram();
gl_skyboxShader->SetUniform_ViewOrigin( backEnd.viewParms.orientation.origin ); // in world space
gl_skyboxShader->SetUniform_ModelMatrix( backEnd.orientation.transformMatrix );
gl_skyboxShader->SetUniform_ModelViewProjectionMatrix( glState.modelViewProjectionMatrix[ glState.stackIndex ] );
// u_PortalPlane
if ( backEnd.viewParms.isPortal )
{
float plane[ 4 ];
// clipping plane in world space
plane[ 0 ] = backEnd.viewParms.portalPlane.normal[ 0 ];
plane[ 1 ] = backEnd.viewParms.portalPlane.normal[ 1 ];
plane[ 2 ] = backEnd.viewParms.portalPlane.normal[ 2 ];
plane[ 3 ] = backEnd.viewParms.portalPlane.dist;
gl_skyboxShader->SetUniform_PortalPlane( plane );
}
gl_skyboxShader->SetRequiredVertexPointers();
// bind u_ColorMap
GL_SelectTexture( 0 );
GL_Bind( tess.surfaceShader->sky.outerbox );
DrawSkyBox( tess.surfaceShader );
#endif
}
// generate the vertexes for all the clouds, which will be drawn
// by the generic shader routine
BuildCloudData();
if ( tess.numVertexes || tess.multiDrawPrimitives )
{
tess.stageIteratorFunc2();
}
// Tr3B: TODO draw the inner skybox?
if ( tess.stageIteratorFunc2 == Tess_StageIteratorGBuffer )
{
R_BindNullFBO();
}
if ( tess.stageIteratorFunc2 != Tess_StageIteratorDepthFill )
{
// back to normal depth range
glDepthRange( 0.0, 1.0 );
// note that sky was drawn so we will draw a sun later
backEnd.skyRenderedThisView = qtrue;
}
}
#endif
}
/*
** GL_SetDefaultState
*/
void GL_SetDefaultState( void ) {
qglClearDepth( 1.0f );
qglCullFace( GL_FRONT );
qglColor4f( 1,1,1,1 );
// initialize downstream texture unit if we're running
// in a multitexture environment
if ( qglActiveTextureARB ) {
GL_SelectTexture( 1 );
GL_TextureMode( r_textureMode->string );
GL_TexEnv( GL_MODULATE );
qglDisable( GL_TEXTURE_2D );
GL_SelectTexture( 0 );
}
qglEnable( GL_TEXTURE_2D );
GL_TextureMode( r_textureMode->string );
GL_TexEnv( GL_MODULATE );
qglShadeModel( GL_SMOOTH );
qglDepthFunc( GL_LEQUAL );
// the vertex array is always enabled, but the color and texture
// arrays are enabled and disabled around the compiled vertex array call
qglEnableClientState( GL_VERTEX_ARRAY );
//
// make sure our GL state vector is set correctly
//
glState.glStateBits = GLS_DEPTHTEST_DISABLE | GLS_DEPTHMASK_TRUE;
#ifndef VCMODS_OPENGLES
qglPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
#endif
qglDepthMask( GL_TRUE );
qglDisable( GL_DEPTH_TEST );
qglEnable( GL_SCISSOR_TEST );
qglDisable( GL_CULL_FACE );
qglDisable( GL_BLEND );
#ifndef VCMODS_OPENGLES
//----(SA) added.
// ATI pn_triangles
if ( qglPNTrianglesiATI ) {
int maxtess;
// get max supported tesselation
qglGetIntegerv( GL_MAX_PN_TRIANGLES_TESSELATION_LEVEL_ATI, (GLint*)&maxtess );
glConfig.ATIMaxTruformTess = maxtess;
// cap if necessary
if ( r_ati_truform_tess->value > maxtess ) {
ri.Cvar_Set( "r_ati_truform_tess", va( "%d", maxtess ) );
}
// set Wolf defaults
qglPNTrianglesiATI( GL_PN_TRIANGLES_TESSELATION_LEVEL_ATI, r_ati_truform_tess->value );
}
if ( glConfig.anisotropicAvailable ) {
float maxAnisotropy;
qglGetFloatv( GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &maxAnisotropy );
glConfig.maxAnisotropy = maxAnisotropy;
// set when rendering
// qglTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, glConfig.maxAnisotropy);
}
//----(SA) end
#endif
}
/*
** R_DrawTriangleOutlines
*/
void R_DrawTriangleOutlines(msurface_t *surf) // jit/GuyP, redone
{
int i;
glpoly_t *p;
if (!gl_showtris->value)
return;
// Guy: *\/\/\/ gl_showtris fix begin \/\/\/*
qgl.Disable(GL_DEPTH_TEST);
qgl.Color4f(1.0f, 1.0f, 1.0f, 1.0f);
if (!surf) // Guy: Called from non-multitexture mode; need to loop through surfaces defined by non-mtex functions
{
int j;
qgl.Disable(GL_TEXTURE_2D);
for (i = 0; i < MAX_LIGHTMAPS; i++)
{
for (surf = gl_lms.lightmap_surfaces[i]; surf != 0; surf = surf->lightmapchain)
{
for (p = surf->polys; p; p = p->chain)
{
for (j = 2; j < p->numverts; j++)
{
qgl.Begin(GL_LINE_STRIP);
qgl.Vertex3fv(p->verts[0]);
qgl.Vertex3fv(p->verts[j - 1]);
qgl.Vertex3fv(p->verts[j]);
qgl.Vertex3fv(p->verts[0]);
qgl.End();
}
}
}
}
qgl.Enable(GL_TEXTURE_2D);
}
else // Guy: Called from multitexture mode; surface to be rendered in wireframe already passed in
{
float tex_state0,
tex_state1;
GL_SelectTexture(QGL_TEXTURE0);
qgl.GetTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, &tex_state0);
GL_SelectTexture(QGL_TEXTURE1);
qgl.GetTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, &tex_state1);
GL_EnableMultitexture(false);
qgl.Disable(GL_TEXTURE_2D);
for (p = surf->polys; p; p = p->chain)
{
for (i = 2; i < p->numverts; i++)
{
//distcolor = p->verts[
qgl.Begin(GL_LINE_STRIP);
//qgl.Color4f(1, 1, 1, 1);
//qgl.Color4f(0,1,0,1);
qgl.Vertex3fv(p->verts[0]);
qgl.Vertex3fv(p->verts[i - 1]);
qgl.Vertex3fv(p->verts[i]);
qgl.Vertex3fv(p->verts[0]);
qgl.End();
}
}
qgl.Enable(GL_TEXTURE_2D);
GL_EnableMultitexture(true);
GL_SelectTexture(QGL_TEXTURE0);
GL_TexEnv(tex_state0);
GL_SelectTexture(QGL_TEXTURE1);
GL_TexEnv(tex_state1);
}
qgl.Enable(GL_DEPTH_TEST);
// Guy: */\/\/\ gl_showtris fix end /\/\/\*
}
static void ForwardDlight( void ) {
int l;
//vec3_t origin;
//float scale;
float radius;
int deformGen;
vec5_t deformParams;
vec4_t fogDistanceVector, fogDepthVector = {0, 0, 0, 0};
float eyeT = 0;
shaderCommands_t *input = &tess;
shaderStage_t *pStage = tess.xstages[0];
if ( !backEnd.refdef.num_dlights ) {
return;
}
ComputeDeformValues(&deformGen, deformParams);
ComputeFogValues(fogDistanceVector, fogDepthVector, &eyeT);
for ( l = 0 ; l < backEnd.refdef.num_dlights ; l++ ) {
dlight_t *dl;
shaderProgram_t *sp;
vec4_t vector;
matrix_t matrix;
if ( !( tess.dlightBits & ( 1 << l ) ) ) {
continue; // this surface definately doesn't have any of this light
}
dl = &backEnd.refdef.dlights[l];
//VectorCopy( dl->transformed, origin );
radius = dl->radius;
//scale = 1.0f / radius;
//if (pStage->glslShaderGroup == tr.lightallShader)
{
int index = pStage->glslShaderIndex;
index &= ~(LIGHTDEF_LIGHTTYPE_MASK | LIGHTDEF_USE_DELUXEMAP);
index |= LIGHTDEF_USE_LIGHT_VECTOR;
sp = &tr.lightallShader[index];
}
backEnd.pc.c_lightallDraws++;
GLSL_BindProgram(sp);
GLSL_SetUniformMatrix16(sp, GENERIC_UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
GLSL_SetUniformVec3(sp, GENERIC_UNIFORM_VIEWORIGIN, backEnd.viewParms.or.origin);
GLSL_SetUniformFloat(sp, GENERIC_UNIFORM_VERTEXLERP, glState.vertexAttribsInterpolation);
GLSL_SetUniformInt(sp, GENERIC_UNIFORM_DEFORMGEN, deformGen);
if (deformGen != DGEN_NONE)
{
GLSL_SetUniformFloat5(sp, GENERIC_UNIFORM_DEFORMPARAMS, deformParams);
GLSL_SetUniformFloat(sp, GENERIC_UNIFORM_TIME, tess.shaderTime);
}
if ( input->fogNum ) {
vec4_t fogColorMask;
GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_FOGDISTANCE, fogDistanceVector);
GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_FOGDEPTH, fogDepthVector);
GLSL_SetUniformFloat(sp, GENERIC_UNIFORM_FOGEYET, eyeT);
ComputeFogColorMask(pStage, fogColorMask);
GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_FOGCOLORMASK, fogColorMask);
}
{
vec4_t baseColor;
vec4_t vertColor;
ComputeShaderColors(pStage, baseColor, vertColor);
GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_BASECOLOR, baseColor);
GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_VERTCOLOR, vertColor);
}
if (pStage->alphaGen == AGEN_PORTAL)
{
GLSL_SetUniformFloat(sp, GENERIC_UNIFORM_PORTALRANGE, tess.shader->portalRange);
}
GLSL_SetUniformInt(sp, GENERIC_UNIFORM_COLORGEN, pStage->rgbGen);
GLSL_SetUniformInt(sp, GENERIC_UNIFORM_ALPHAGEN, pStage->alphaGen);
GLSL_SetUniformVec3(sp, GENERIC_UNIFORM_DIRECTEDLIGHT, dl->color);
VectorSet(vector, 0, 0, 0);
GLSL_SetUniformVec3(sp, GENERIC_UNIFORM_AMBIENTLIGHT, vector);
VectorCopy(dl->origin, vector);
vector[3] = 1.0f;
GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_LIGHTORIGIN, vector);
GLSL_SetUniformFloat(sp, GENERIC_UNIFORM_LIGHTRADIUS, radius);
GLSL_SetUniformVec2(sp, GENERIC_UNIFORM_MATERIALINFO, pStage->materialInfo);
// include GLS_DEPTHFUNC_EQUAL so alpha tested surfaces don't add light
// where they aren't rendered
GL_State( GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE | GLS_DEPTHFUNC_EQUAL );
GLSL_SetUniformMatrix16(sp, GENERIC_UNIFORM_MODELMATRIX, backEnd.or.transformMatrix);
if (pStage->bundle[TB_DIFFUSEMAP].image[0])
R_BindAnimatedImageToTMU( &pStage->bundle[TB_DIFFUSEMAP], TB_DIFFUSEMAP);
if (pStage->bundle[TB_NORMALMAP].image[0])
R_BindAnimatedImageToTMU( &pStage->bundle[TB_NORMALMAP], TB_NORMALMAP);
if (pStage->bundle[TB_SPECULARMAP].image[0])
R_BindAnimatedImageToTMU( &pStage->bundle[TB_SPECULARMAP], TB_SPECULARMAP);
if (r_dlightMode->integer >= 2)
{
GL_SelectTexture(TB_SHADOWMAP);
GL_BindCubemap(tr.shadowCubemaps[l]);
GL_SelectTexture(0);
}
ComputeTexMatrix( pStage, TB_DIFFUSEMAP, matrix );
VectorSet4(vector, matrix[0], matrix[1], matrix[4], matrix[5]);
GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_DIFFUSETEXMATRIX, vector);
VectorSet4(vector, matrix[8], matrix[9], matrix[12], matrix[13]);
GLSL_SetUniformVec4(sp, GENERIC_UNIFORM_DIFFUSETEXOFFTURB, vector);
GLSL_SetUniformInt(sp, GENERIC_UNIFORM_TCGEN0, pStage->bundle[0].tcGen);
//
// draw
//
if (input->multiDrawPrimitives)
{
R_DrawMultiElementsVBO(input->multiDrawPrimitives, input->multiDrawMinIndex, input->multiDrawMaxIndex, input->multiDrawNumIndexes, input->multiDrawFirstIndex);
}
else
{
R_DrawElementsVBO(input->numIndexes, input->firstIndex, input->minIndex, input->maxIndex);
}
backEnd.pc.c_totalIndexes += tess.numIndexes;
backEnd.pc.c_dlightIndexes += tess.numIndexes;
}
}
/*
==================
RB_GLSL_DrawInteractions
==================
*/
void RB_GLSL_DrawInteractions( void ) {
viewLight_t *vLight;
GL_SelectTexture( 0 );
qglDisableClientState( GL_TEXTURE_COORD_ARRAY );
//
// for each light, perform adding and shadowing
//
for ( vLight = backEnd.viewDef->viewLights ; vLight ; vLight = vLight->next ) {
backEnd.vLight = vLight;
// do fogging later
if ( vLight->lightShader->IsFogLight() ) {
continue;
}
if ( vLight->lightShader->IsBlendLight() ) {
continue;
}
// if there are no interactions, get out!
if ( !vLight->localInteractions && !vLight->globalInteractions &&
!vLight->translucentInteractions ) {
continue;
}
// clear the stencil buffer if needed
if ( vLight->globalShadows || vLight->localShadows ) {
backEnd.currentScissor = vLight->scissorRect;
if ( r_useScissor.GetBool() ) {
qglScissor( backEnd.viewDef->viewport.x1 + backEnd.currentScissor.x1,
backEnd.viewDef->viewport.y1 + backEnd.currentScissor.y1,
backEnd.currentScissor.x2 + 1 - backEnd.currentScissor.x1,
backEnd.currentScissor.y2 + 1 - backEnd.currentScissor.y1 );
}
qglClear( GL_STENCIL_BUFFER_BIT );
} else {
// no shadows, so no need to read or write the stencil buffer
// we might in theory want to use GL_ALWAYS instead of disabling
// completely, to satisfy the invarience rules
qglStencilFunc( GL_ALWAYS, 128, 255 );
}
if ( r_useShadowVertexProgram.GetBool() ) {
qglUseProgramObjectARB( stencilShadowShader.program );
RB_StencilShadowPass( vLight->globalShadows );
RB_GLSL_CreateDrawInteractions( vLight->localInteractions );
qglUseProgramObjectARB( stencilShadowShader.program );
RB_StencilShadowPass( vLight->localShadows );
RB_GLSL_CreateDrawInteractions( vLight->globalInteractions );
qglUseProgramObjectARB( 0 ); // if there weren't any globalInteractions, it would have stayed on
} else {
RB_StencilShadowPass( vLight->globalShadows );
RB_GLSL_CreateDrawInteractions( vLight->localInteractions );
RB_StencilShadowPass( vLight->localShadows );
RB_GLSL_CreateDrawInteractions( vLight->globalInteractions );
}
// translucent surfaces never get stencil shadowed
if ( r_skipTranslucent.GetBool() ) {
continue;
}
qglStencilFunc( GL_ALWAYS, 128, 255 );
backEnd.depthFunc = GLS_DEPTHFUNC_LESS;
RB_GLSL_CreateDrawInteractions( vLight->translucentInteractions );
backEnd.depthFunc = GLS_DEPTHFUNC_EQUAL;
}
// disable stencil shadow test
qglStencilFunc( GL_ALWAYS, 128, 255 );
GL_SelectTexture( 0 );
qglEnableClientState( GL_TEXTURE_COORD_ARRAY );
}
/*
===================
ProjectDlightTexture
Perform dynamic lighting with another rendering pass
===================
*/
static void ProjectDlightTexture2( void ) {
int i, l;
vec3_t origin;
byte clipBits[SHADER_MAX_VERTEXES];
float texCoordsArray[SHADER_MAX_VERTEXES][2];
float oldTexCoordsArray[SHADER_MAX_VERTEXES][2];
float vertCoordsArray[SHADER_MAX_VERTEXES][4];
unsigned int colorArray[SHADER_MAX_VERTEXES];
glIndex_t hitIndexes[SHADER_MAX_INDEXES];
int numIndexes;
float radius;
int fogging;
shaderStage_t *dStage;
vec3_t posa;
vec3_t posb;
vec3_t posc;
vec3_t dist;
vec3_t e1;
vec3_t e2;
vec3_t normal;
float fac,modulate;
vec3_t floatColor;
byte colorTemp[4];
int needResetVerts=0;
if ( !backEnd.refdef.num_dlights )
{
return;
}
for ( l = 0 ; l < backEnd.refdef.num_dlights ; l++ )
{
dlight_t *dl;
if ( !( tess.dlightBits & ( 1 << l ) ) ) {
continue; // this surface definately doesn't have any of this light
}
dl = &backEnd.refdef.dlights[l];
VectorCopy( dl->transformed, origin );
radius = dl->radius;
int clipall = 63;
for ( i = 0 ; i < tess.numVertexes ; i++)
{
int clip;
VectorSubtract( origin, tess.xyz[i], dist );
clip = 0;
if ( dist[0] < -radius )
{
clip |= 1;
}
else if ( dist[0] > radius )
{
clip |= 2;
}
if ( dist[1] < -radius )
{
clip |= 4;
}
else if ( dist[1] > radius )
{
clip |= 8;
}
if ( dist[2] < -radius )
{
clip |= 16;
}
else if ( dist[2] > radius )
{
clip |= 32;
}
clipBits[i] = clip;
clipall &= clip;
}
if ( clipall )
{
continue; // this surface doesn't have any of this light
}
floatColor[0] = dl->color[0] * 255.0f;
floatColor[1] = dl->color[1] * 255.0f;
floatColor[2] = dl->color[2] * 255.0f;
// build a list of triangles that need light
numIndexes = 0;
for ( i = 0 ; i < tess.numIndexes ; i += 3 )
{
int a, b, c;
a = tess.indexes[i];
b = tess.indexes[i+1];
c = tess.indexes[i+2];
if ( clipBits[a] & clipBits[b] & clipBits[c] )
{
continue; // not lighted
}
// copy the vertex positions
VectorCopy(tess.xyz[a],posa);
VectorCopy(tess.xyz[b],posb);
VectorCopy(tess.xyz[c],posc);
VectorSubtract( posa, posb,e1);
VectorSubtract( posc, posb,e2);
CrossProduct(e1,e2,normal);
// rjr - removed for hacking if ( (!r_dlightBacks->integer && DotProduct(normal,origin)-DotProduct(normal,posa) <= 0.0f) || // backface
if ( DotProduct(normal,origin)-DotProduct(normal,posa) <= 0.0f || // backface
DotProduct(normal,normal) < 1E-8f) // junk triangle
{
continue;
}
VectorNormalize(normal);
fac=DotProduct(normal,origin)-DotProduct(normal,posa);
if (fac >= radius) // out of range
{
continue;
}
modulate = 1.0f-((fac*fac) / (radius*radius));
fac = 0.5f/sqrtf(radius*radius - fac*fac);
// save the verts
VectorCopy(posa,vertCoordsArray[numIndexes]);
VectorCopy(posb,vertCoordsArray[numIndexes+1]);
VectorCopy(posc,vertCoordsArray[numIndexes+2]);
// now we need e1 and e2 to be an orthonormal basis
if (DotProduct(e1,e1) > DotProduct(e2,e2))
{
VectorNormalize(e1);
CrossProduct(e1,normal,e2);
}
else
{
VectorNormalize(e2);
CrossProduct(normal,e2,e1);
}
VectorScale(e1,fac,e1);
VectorScale(e2,fac,e2);
VectorSubtract( posa, origin,dist);
texCoordsArray[numIndexes][0]=DotProduct(dist,e1)+0.5f;
texCoordsArray[numIndexes][1]=DotProduct(dist,e2)+0.5f;
VectorSubtract( posb, origin,dist);
texCoordsArray[numIndexes+1][0]=DotProduct(dist,e1)+0.5f;
texCoordsArray[numIndexes+1][1]=DotProduct(dist,e2)+0.5f;
VectorSubtract( posc, origin,dist);
texCoordsArray[numIndexes+2][0]=DotProduct(dist,e1)+0.5f;
texCoordsArray[numIndexes+2][1]=DotProduct(dist,e2)+0.5f;
if ((texCoordsArray[numIndexes][0] < 0.0f && texCoordsArray[numIndexes+1][0] < 0.0f && texCoordsArray[numIndexes+2][0] < 0.0f) ||
(texCoordsArray[numIndexes][0] > 1.0f && texCoordsArray[numIndexes+1][0] > 1.0f && texCoordsArray[numIndexes+2][0] > 1.0f) ||
(texCoordsArray[numIndexes][1] < 0.0f && texCoordsArray[numIndexes+1][1] < 0.0f && texCoordsArray[numIndexes+2][1] < 0.0f) ||
(texCoordsArray[numIndexes][1] > 1.0f && texCoordsArray[numIndexes+1][1] > 1.0f && texCoordsArray[numIndexes+2][1] > 1.0f) )
{
continue; // didn't end up hitting this tri
}
/* old code, get from the svars = wrong
oldTexCoordsArray[numIndexes][0]=tess.svars.texcoords[0][a][0];
oldTexCoordsArray[numIndexes][1]=tess.svars.texcoords[0][a][1];
oldTexCoordsArray[numIndexes+1][0]=tess.svars.texcoords[0][b][0];
oldTexCoordsArray[numIndexes+1][1]=tess.svars.texcoords[0][b][1];
oldTexCoordsArray[numIndexes+2][0]=tess.svars.texcoords[0][c][0];
oldTexCoordsArray[numIndexes+2][1]=tess.svars.texcoords[0][c][1];
*/
oldTexCoordsArray[numIndexes][0]=tess.texCoords[a][0][0];
oldTexCoordsArray[numIndexes][1]=tess.texCoords[a][0][1];
oldTexCoordsArray[numIndexes+1][0]=tess.texCoords[b][0][0];
oldTexCoordsArray[numIndexes+1][1]=tess.texCoords[b][0][1];
oldTexCoordsArray[numIndexes+2][0]=tess.texCoords[c][0][0];
oldTexCoordsArray[numIndexes+2][1]=tess.texCoords[c][0][1];
colorTemp[0] = Q_ftol(floatColor[0] * modulate);
colorTemp[1] = Q_ftol(floatColor[1] * modulate);
colorTemp[2] = Q_ftol(floatColor[2] * modulate);
colorTemp[3] = 255;
byteAlias_t *ba = (byteAlias_t *)&colorTemp;
colorArray[numIndexes + 0] = ba->ui;
colorArray[numIndexes + 1] = ba->ui;
colorArray[numIndexes + 2] = ba->ui;
hitIndexes[numIndexes] = numIndexes;
hitIndexes[numIndexes+1] = numIndexes+1;
hitIndexes[numIndexes+2] = numIndexes+2;
numIndexes += 3;
if (numIndexes>=SHADER_MAX_VERTEXES-3)
{
break; // we are out of space, so we are done :)
}
}
if ( !numIndexes ) {
continue;
}
//don't have fog enabled when we redraw with alpha test, or it will double over
//and screw the tri up -rww
if (r_drawfog->value == 2 &&
tr.world &&
(tess.fogNum == tr.world->globalFog || tess.fogNum == tr.world->numfogs))
{
fogging = qglIsEnabled(GL_FOG);
if (fogging)
{
qglDisable(GL_FOG);
}
}
else
{
fogging = 0;
}
dStage = NULL;
if (tess.shader && qglActiveTextureARB)
{
int i = 0;
while (i < tess.shader->numUnfoggedPasses)
{
const int blendBits = (GLS_SRCBLEND_BITS+GLS_DSTBLEND_BITS);
if (((tess.shader->stages[i].bundle[0].image && !tess.shader->stages[i].bundle[0].isLightmap && !tess.shader->stages[i].bundle[0].numTexMods && tess.shader->stages[i].bundle[0].tcGen != TCGEN_ENVIRONMENT_MAPPED && tess.shader->stages[i].bundle[0].tcGen != TCGEN_FOG) ||
(tess.shader->stages[i].bundle[1].image && !tess.shader->stages[i].bundle[1].isLightmap && !tess.shader->stages[i].bundle[1].numTexMods && tess.shader->stages[i].bundle[1].tcGen != TCGEN_ENVIRONMENT_MAPPED && tess.shader->stages[i].bundle[1].tcGen != TCGEN_FOG)) &&
(tess.shader->stages[i].stateBits & blendBits) == 0 )
{ //only use non-lightmap opaque stages
dStage = &tess.shader->stages[i];
break;
}
i++;
}
}
if (!needResetVerts)
{
needResetVerts=1;
if (qglUnlockArraysEXT)
{
qglUnlockArraysEXT();
GLimp_LogComment( "glUnlockArraysEXT\n" );
}
}
qglVertexPointer (3, GL_FLOAT, 16, vertCoordsArray); // padded for SIMD
if (dStage)
{
GL_SelectTexture( 0 );
GL_State(0);
qglTexCoordPointer( 2, GL_FLOAT, 0, oldTexCoordsArray[0] );
if (dStage->bundle[0].image && !dStage->bundle[0].isLightmap && !dStage->bundle[0].numTexMods && dStage->bundle[0].tcGen != TCGEN_ENVIRONMENT_MAPPED && dStage->bundle[0].tcGen != TCGEN_FOG)
{
R_BindAnimatedImage( &dStage->bundle[0] );
}
else
{
R_BindAnimatedImage( &dStage->bundle[1] );
}
GL_SelectTexture( 1 );
qglEnable( GL_TEXTURE_2D );
qglEnableClientState( GL_TEXTURE_COORD_ARRAY );
qglTexCoordPointer( 2, GL_FLOAT, 0, texCoordsArray[0] );
qglEnableClientState( GL_COLOR_ARRAY );
qglColorPointer( 4, GL_UNSIGNED_BYTE, 0, colorArray );
GL_Bind( tr.dlightImage );
GL_TexEnv( GL_MODULATE );
GL_State(GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE | GLS_DEPTHFUNC_EQUAL);// | GLS_ATEST_GT_0);
R_DrawElements( numIndexes, hitIndexes );
qglDisable( GL_TEXTURE_2D );
GL_SelectTexture(0);
}
else
{
qglEnableClientState( GL_TEXTURE_COORD_ARRAY );
qglTexCoordPointer( 2, GL_FLOAT, 0, texCoordsArray[0] );
qglEnableClientState( GL_COLOR_ARRAY );
qglColorPointer( 4, GL_UNSIGNED_BYTE, 0, colorArray );
GL_Bind( tr.dlightImage );
// include GLS_DEPTHFUNC_EQUAL so alpha tested surfaces don't add light
// where they aren't rendered
if ( dl->additive ) {
GL_State( GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE | GLS_DEPTHFUNC_EQUAL );
}
else {
GL_State( GLS_SRCBLEND_DST_COLOR | GLS_DSTBLEND_ONE | GLS_DEPTHFUNC_EQUAL );
}
R_DrawElements( numIndexes, hitIndexes );
}
if (fogging)
{
qglEnable(GL_FOG);
}
backEnd.pc.c_totalIndexes += numIndexes;
backEnd.pc.c_dlightIndexes += numIndexes;
}
if (needResetVerts)
{
qglVertexPointer (3, GL_FLOAT, 16, tess.xyz); // padded for SIMD
if (qglLockArraysEXT)
{
qglLockArraysEXT(0, tess.numVertexes);
GLimp_LogComment( "glLockArraysEXT\n" );
}
}
}
