/*
============
FBO_Bind
============
*/
void FBO_Bind(FBO_t * fbo)
{
if (glState.currentFBO == fbo)
return;
if (r_logFile->integer)
{
// don't just call LogComment, or we will get a call to va() every frame!
if (fbo)
GLimp_LogComment(va("--- FBO_Bind( %s ) ---\n", fbo->name));
else
GLimp_LogComment("--- FBO_Bind ( NULL ) ---\n");
}
if (!fbo)
{
qglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
//qglBindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
glState.currentFBO = NULL;
return;
}
qglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fbo->frameBuffer);
/*
if(fbo->colorBuffers[0])
{
qglBindRenderbufferEXT(GL_RENDERBUFFER_EXT, fbo->colorBuffers[0]);
}
*/
/*
if(fbo->depthBuffer)
{
qglBindRenderbufferEXT(GL_RENDERBUFFER_EXT, fbo->depthBuffer);
qglFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, fbo->depthBuffer);
}
*/
glState.currentFBO = fbo;
}
/*
===================
RB_EndSurface
===================
*/
void RB_EndSurface(void)
{
shaderCommands_t *input = &tess;
if (input->numIndexes == 0)
{
return;
}
if (input->indexes[input->maxShaderIndicies - 1] != 0)
{
ri.Error(ERR_DROP, "RB_EndSurface() - input->maxShaderIndicies(%i) hit", input->maxShaderIndicies);
}
if (input->xyz[input->maxShaderVerts - 1].v[0] != 0)
{
ri.Error(ERR_DROP, "RB_EndSurface() - input->maxShaderVerts(%i) hit", input->maxShaderVerts);
}
if (tess.shader == tr.shadowShader)
{
RB_ShadowTessEnd();
return;
}
// for debugging of sort order issues, stop rendering after a given sort value
if (r_debugSort->integer && r_debugSort->integer < tess.shader->sort)
{
return;
}
// update performance counters
backEnd.pc.c_shaders++;
backEnd.pc.c_vertexes += tess.numVertexes;
backEnd.pc.c_indexes += tess.numIndexes;
backEnd.pc.c_totalIndexes += tess.numIndexes * tess.numPasses;
// call off to shader specific tess end function
tess.currentStageIteratorFunc();
// draw debugging stuff
if (r_showtris->integer)
{
DrawTris(input);
}
if (r_shownormals->integer)
{
DrawNormals(input);
}
// clear shader so we can tell we don't have any unclosed surfaces
tess.numIndexes = 0;
GLimp_LogComment("----------\n");
}
/*
============
R_BindNullIBO
============
*/
void R_BindNullIBO()
{
GLimp_LogComment( "--- R_BindNullIBO ---\n" );
if ( glState.currentIBO )
{
glBindBuffer( GL_ELEMENT_ARRAY_BUFFER, 0 );
glState.currentIBO = nullptr;
glState.vertexAttribPointersSet = 0;
}
}
/*
============
R_BindNullIBO
============
*/
void R_BindNullIBO(void)
{
GLimp_LogComment("--- R_BindNullIBO ---\n");
if(glState.currentIBO)
{
qglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
glState.currentIBO = NULL;
glState.vertexAttribPointersSet = 0;
}
}
/*
============
R_BindNullVBO
============
*/
void R_BindNullVBO()
{
GLimp_LogComment( "--- R_BindNullVBO ---\n" );
if ( glState.currentVBO )
{
glBindBuffer( GL_ARRAY_BUFFER, 0 );
glState.currentVBO = nullptr;
}
GL_CheckErrors();
}
/*
=============
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
#ifndef USE_OPENGLES
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();
backEnd.projection2D = qfalse;
#ifdef USE_BLOOM
backEnd.doneBloom = qfalse;
backEnd.doneSurfaces = qfalse;
#endif
return (const void *)( cmd + 1 );
}
/*
============
R_BindNullVBO
============
*/
void R_BindNullVBO(void)
{
GLimp_LogComment("--- R_BindNullVBO ---\n");
if(glState.currentVBO)
{
qglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
glState.currentVBO = NULL;
}
GL_CheckErrors();
}
/*
** GL_SelectTexture
*/
void GL_SelectTexture( int unit ) {
if ( glState.currenttmu == unit ) {
return;
}
if ( unit == 0 ) {
qglActiveTextureARB( GL_TEXTURE0_ARB );
GLimp_LogComment( "glActiveTextureARB( GL_TEXTURE0_ARB )\n" );
qglClientActiveTextureARB( GL_TEXTURE0_ARB );
GLimp_LogComment( "glClientActiveTextureARB( GL_TEXTURE0_ARB )\n" );
} else if ( unit == 1 ) {
qglActiveTextureARB( GL_TEXTURE1_ARB );
GLimp_LogComment( "glActiveTextureARB( GL_TEXTURE1_ARB )\n" );
qglClientActiveTextureARB( GL_TEXTURE1_ARB );
GLimp_LogComment( "glClientActiveTextureARB( GL_TEXTURE1_ARB )\n" );
} else {
ri.Error( ERR_DROP, "GL_SelectTexture: unit = %i", unit );
}
glState.currenttmu = unit;
}
/*
==============
Tess_InstantQuad
==============
*/
void Tess_InstantQuad( vec4_t quadVerts[ 4 ] )
{
GLimp_LogComment( "--- Tess_InstantQuad ---\n" );
tess.multiDrawPrimitives = 0;
tess.numVertexes = 0;
tess.numIndexes = 0;
tess.attribsSet = 0;
Tess_MapVBOs( false );
VectorCopy( quadVerts[ 0 ], tess.verts[ tess.numVertexes ].xyz );
Vector4Set( tess.verts[ tess.numVertexes ].color, 255, 255, 255, 255 );
tess.verts[ tess.numVertexes ].texCoords[ 0 ] = floatToHalf( 0.0f );
tess.verts[ tess.numVertexes ].texCoords[ 1 ] = floatToHalf( 0.0f );
tess.numVertexes++;
VectorCopy( quadVerts[ 1 ], tess.verts[ tess.numVertexes ].xyz );
Vector4Set( tess.verts[ tess.numVertexes ].color, 255, 255, 255, 255 );
tess.verts[ tess.numVertexes ].texCoords[ 0 ] = floatToHalf( 1.0f );
tess.verts[ tess.numVertexes ].texCoords[ 1 ] = floatToHalf( 0.0f );
tess.numVertexes++;
VectorCopy( quadVerts[ 2 ], tess.verts[ tess.numVertexes ].xyz );
Vector4Set( tess.verts[ tess.numVertexes ].color, 255, 255, 255, 255 );
tess.verts[ tess.numVertexes ].texCoords[ 0 ] = floatToHalf( 1.0f );
tess.verts[ tess.numVertexes ].texCoords[ 1 ] = floatToHalf( 1.0f );
tess.numVertexes++;
VectorCopy( quadVerts[ 3 ], tess.verts[ tess.numVertexes ].xyz );
Vector4Set( tess.verts[ tess.numVertexes ].color, 255, 255, 255, 255 );
tess.verts[ tess.numVertexes ].texCoords[ 0 ] = floatToHalf( 0.0f );
tess.verts[ tess.numVertexes ].texCoords[ 1 ] = floatToHalf( 1.0f );
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;
Tess_UpdateVBOs( );
GL_VertexAttribsState( ATTR_POSITION | ATTR_TEXCOORD | ATTR_COLOR );
Tess_DrawElements();
tess.multiDrawPrimitives = 0;
tess.numVertexes = 0;
tess.numIndexes = 0;
tess.attribsSet = 0;
GL_CheckErrors();
}
void GLSL_BindNullProgram(void)
{
if(r_logFile->integer)
{
GLimp_LogComment("--- GL_BindNullProgram ---\n");
}
if(glState.currentProgram)
{
qglUseProgramObjectARB(0);
glState.currentProgram = NULL;
}
}
/*
====================
Tess_SurfaceEntity
Entities that have a single procedurally generated surface
====================
*/
static void Tess_SurfaceEntity( surfaceType_t* )
{
GLimp_LogComment( "--- Tess_SurfaceEntity ---\n" );
switch ( backEnd.currentEntity->e.reType )
{
case RT_SPRITE:
Tess_SurfaceSprite();
break;
default:
break;
}
}
void GLSL_BindProgram(shaderProgram_t * program)
{
GLuint programObject = program ? program->program : 0;
char *name = program ? program->name : "NULL";
if(r_logFile->integer)
{
// don't just call LogComment, or we will get a call to va() every frame!
GLimp_LogComment(va("--- GLSL_BindProgram( %s ) ---\n", name));
}
if (GL_UseProgramObject(programObject))
backEnd.pc.c_glslShaderBinds++;
}
/*
============
FBO_Bind
============
*/
void FBO_Bind(FBO_t * fbo)
{
if (glState.currentFBO == fbo)
return;
if (r_logFile->integer)
{
// don't just call LogComment, or we will get a call to va() every frame!
GLimp_LogComment(va("--- FBO_Bind( %s ) ---\n", fbo ? fbo->name : "NULL"));
}
GL_BindFramebuffer(GL_FRAMEBUFFER_EXT, fbo ? fbo->frameBuffer : 0);
glState.currentFBO = fbo;
}
/*
============
R_BindNullFBO
============
*/
void R_BindNullFBO( void )
{
if ( r_logFile->integer )
{
GLimp_LogComment( "--- R_BindNullFBO ---\n" );
}
if ( glState.currentFBO )
{
glBindFramebufferEXT( GL_FRAMEBUFFER_EXT, 0 );
glBindRenderbufferEXT( GL_RENDERBUFFER_EXT, 0 );
glState.currentFBO = NULL;
}
}
/*
=============
RB_SetColor
=============
*/
const void *RB_SetColor( const void *data )
{
const setColorCommand_t *cmd;
GLimp_LogComment( "--- RB_SetColor ---\n" );
cmd = ( const setColorCommand_t * ) data;
backEnd.color2D[ 0 ] = cmd->color[ 0 ];
backEnd.color2D[ 1 ] = cmd->color[ 1 ];
backEnd.color2D[ 2 ] = cmd->color[ 2 ];
backEnd.color2D[ 3 ] = cmd->color[ 3 ];
return ( const void * )( cmd + 1 );
}
void RB_FogOff( void )
{
GLimp_LogComment( "--- RB_FogOff() ---\n" );
#if 0
if ( !fogIsOn )
{
return;
}
glDisable( GL_FOG );
fogIsOn = qfalse;
#endif
}
static void Tess_SurfaceSprite()
{
vec3_t delta, left, up;
float radius;
vec4_t color;
GLimp_LogComment( "--- Tess_SurfaceSprite ---\n" );
radius = backEnd.currentEntity->e.radius;
if( tess.surfaceShader->autoSpriteMode == 1 ) {
// the calculations are done in GLSL shader
Tess_AddSprite( backEnd.currentEntity->e.origin,
backEnd.currentEntity->e.shaderRGBA,
radius, backEnd.currentEntity->e.rotation );
return;
}
VectorSubtract( backEnd.currentEntity->e.origin, backEnd.viewParms.pvsOrigin, delta );
if( VectorNormalize( delta ) < NORMAL_EPSILON )
return;
CrossProduct( backEnd.viewParms.orientation.axis[ 2 ], delta, left );
if( VectorNormalize( left ) < NORMAL_EPSILON )
VectorSet( left, 1, 0, 0 );
if( backEnd.currentEntity->e.rotation != 0 )
RotatePointAroundVector( left, delta, left, backEnd.currentEntity->e.rotation );
CrossProduct( delta, left, up );
VectorScale( left, radius, left );
VectorScale( up, radius, up );
if ( backEnd.viewParms.isMirror )
VectorSubtract( vec3_origin, left, left );
color[ 0 ] = backEnd.currentEntity->e.shaderRGBA[ 0 ] * ( 1.0 / 255.0 );
color[ 1 ] = backEnd.currentEntity->e.shaderRGBA[ 1 ] * ( 1.0 / 255.0 );
color[ 2 ] = backEnd.currentEntity->e.shaderRGBA[ 2 ] * ( 1.0 / 255.0 );
color[ 3 ] = backEnd.currentEntity->e.shaderRGBA[ 3 ] * ( 1.0 / 255.0 );
Tess_AddQuadStamp( backEnd.currentEntity->e.origin, left, up, color );
}
void RB_FogOn()
{
GLimp_LogComment("--- RB_FogOn() ---\n");
#if 1
if(fogIsOn)
{
return;
}
// if(r_uiFullScreen->integer) { // don't fog in the menu
// R_FogOff();
// return;
// }
if(!r_wolfFog->integer)
{
return;
}
// if(backEnd.viewParms.isGLFogged) {
// if(!(backEnd.viewParms.glFog.registered))
// return;
// }
if(backEnd.refdef.rdflags & RDF_SKYBOXPORTAL)
{
// don't force world fog on portal sky
if(!(tr.glfogsettings[FOG_PORTALVIEW].registered))
{
return;
}
}
else if(!tr.glfogNum)
{
return;
}
#if defined(USE_D3D10)
// TODO
#else
glEnable(GL_FOG);
#endif
fogIsOn = qtrue;
#endif
}
/*
============
R_BindVao
============
*/
void R_BindVao(vao_t * vao)
{
if(!vao)
{
//R_BindNullVao();
ri.Error(ERR_DROP, "R_BindVao: NULL vao");
return;
}
if(r_logFile->integer)
{
// don't just call LogComment, or we will get a call to va() every frame!
GLimp_LogComment(va("--- R_BindVao( %s ) ---\n", vao->name));
}
if(glState.currentVao != vao)
{
glState.currentVao = vao;
glState.vertexAttribsInterpolation = 0;
glState.vertexAnimation = qfalse;
backEnd.pc.c_vaoBinds++;
if (glRefConfig.vertexArrayObject)
{
qglBindVertexArray(vao->vao);
// why you no save GL_ELEMENT_ARRAY_BUFFER binding, Intel?
if (1)
qglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, vao->indexesIBO);
// tess VAO always has buffers bound
if (vao == tess.vao)
qglBindBuffer(GL_ARRAY_BUFFER, vao->vertexesVBO);
}
else
{
qglBindBuffer(GL_ARRAY_BUFFER, vao->vertexesVBO);
qglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, vao->indexesIBO);
// tess VAO doesn't have vertex pointers set until data is uploaded
if (vao != tess.vao)
Vao_SetVertexPointers(vao);
}
}
}
/*
=============
RB_DrawBuffer
=============
*/
const void *RB_DrawBuffer( const void *data )
{
const drawBufferCommand_t *cmd;
GLimp_LogComment( "--- RB_DrawBuffer ---\n" );
cmd = ( const drawBufferCommand_t * ) data;
// clear screen for debugging
if ( r_clear->integer )
{
float ClearColor[ 4 ] = { 0.0f, 0.125f, 0.3f, 1.0f }; // red,green,blue,alpha
dx.d3dDevice->ClearRenderTargetView( dx.renderTargetView, ClearColor );
}
return ( const void * )( cmd + 1 );
}
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 = (unsigned char *) Z_Malloc( glConfig.vidWidth * glConfig.vidHeight, TAG_TEMP_WORKSPACE, qfalse );
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;
Z_Free( stencilReadback );
}
if ( !glState.finishCalled ) {
qglFinish();
}
GLimp_LogComment( "***************** RB_SwapBuffers *****************\n\n\n" );
GLimp_EndFrame();
backEnd.projection2D = qfalse;
return (const void *)(cmd + 1);
}
/*
============
R_BindNullFBO
============
*/
void R_BindNullFBO(void)
{
#if defined(USE_D3D10)
// TODO
#else
if(r_logFile->integer)
{
GLimp_LogComment("--- R_BindNullFBO ---\n");
}
if(glState.currentFBO)
{
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
glState.currentFBO = NULL;
}
#endif
}
void RB_FogOff()
{
GLimp_LogComment("--- RB_FogOff() ---\n");
#if 1
if(!fogIsOn)
{
return;
}
#if defined(USE_D3D10)
// TODO
#else
glDisable(GL_FOG);
#endif
fogIsOn = qfalse;
#endif
}
/*
==============
Tess_SurfaceVBOMD5Mesh
==============
*/
static void Tess_SurfaceVBOMD5Mesh( srfVBOMD5Mesh_t *srf )
{
int i;
md5Model_t *model;
GLimp_LogComment( "--- Tess_SurfaceVBOMD5Mesh ---\n" );
if ( !srf->vbo || !srf->ibo )
{
return;
}
Tess_EndBegin();
R_BindVBO( srf->vbo );
R_BindIBO( srf->ibo );
tess.numIndexes = srf->numIndexes;
tess.numVertexes = srf->numVerts;
model = srf->md5Model;
tess.vboVertexSkinning = true;
tess.numBones = srf->numBoneRemap;
for ( i = 0; i < srf->numBoneRemap; i++ )
{
refBone_t *bone = &backEnd.currentEntity->e.skeleton.bones[ srf->boneRemapInverse[ i ] ];
if ( backEnd.currentEntity->e.skeleton.type == SK_ABSOLUTE )
{
TransInitRotationQuat( model->bones[ srf->boneRemapInverse[ i ] ].rotation, &tess.bones[ i ] );
TransAddTranslation( model->bones[ srf->boneRemapInverse[ i ] ].origin, &tess.bones[ i ] );
TransInverse( &tess.bones[ i ], &tess.bones[ i ] );
TransCombine( &tess.bones[ i ], &bone->t, &tess.bones[ i ] );
} else {
TransInit( &tess.bones[ i ] );
}
TransAddScale( backEnd.currentEntity->e.skeleton.scale, &tess.bones[ i ] );
TransInsScale( model->internalScale, &tess.bones[ i ] );
}
Tess_End();
}
/*
==============
RB_InstantQuad
based on Tess_InstantQuad from xreal
==============
*/
void RB_InstantQuad2(vec4_t quadVerts[4], vec2_t texCoords[4])
{
GLimp_LogComment("--- RB_InstantQuad2 ---\n");
tess.numVertexes = 0;
tess.numIndexes = 0;
tess.firstIndex = 0;
VectorCopy4(quadVerts[0], tess.xyz[tess.numVertexes]);
VectorCopy2(texCoords[0], tess.texCoords[tess.numVertexes]);
tess.numVertexes++;
VectorCopy4(quadVerts[1], tess.xyz[tess.numVertexes]);
VectorCopy2(texCoords[1], tess.texCoords[tess.numVertexes]);
tess.numVertexes++;
VectorCopy4(quadVerts[2], tess.xyz[tess.numVertexes]);
VectorCopy2(texCoords[2], tess.texCoords[tess.numVertexes]);
tess.numVertexes++;
VectorCopy4(quadVerts[3], tess.xyz[tess.numVertexes]);
VectorCopy2(texCoords[3], tess.texCoords[tess.numVertexes]);
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;
tess.minIndex = 0;
tess.maxIndex = 3;
RB_UpdateTessVao(ATTR_POSITION | ATTR_TEXCOORD);
R_DrawElementsVao(tess.numIndexes, tess.firstIndex, tess.minIndex, tess.maxIndex);
tess.numIndexes = 0;
tess.numVertexes = 0;
tess.firstIndex = 0;
tess.minIndex = 0;
tess.maxIndex = 0;
}
void Tess_SurfacePolybuffer( srfPolyBuffer_t *surf )
{
int i;
int numIndexes;
int numVertexes;
glIndex_t *indices;
float *xyzw;
float *st;
byte *color;
GLimp_LogComment( "--- Tess_SurfacePolybuffer ---\n" );
Tess_CheckOverflow( surf->pPolyBuffer->numVerts, surf->pPolyBuffer->numIndicies );
numIndexes = std::min( surf->pPolyBuffer->numIndicies, MAX_PB_INDICIES );
indices = surf->pPolyBuffer->indicies;
for ( i = 0; i < numIndexes; i++ )
{
tess.indexes[ tess.numIndexes + i ] = tess.numVertexes + indices[ i ];
}
tess.numIndexes += numIndexes;
numVertexes = std::min( surf->pPolyBuffer->numVerts, MAX_PB_VERTS );
xyzw = &surf->pPolyBuffer->xyz[ 0 ][ 0 ];
st = &surf->pPolyBuffer->st[ 0 ][ 0 ];
color = &surf->pPolyBuffer->color[ 0 ][ 0 ];
for ( i = 0; i < numVertexes; i++, xyzw += 4, st += 2, color += 4 )
{
VectorCopy( xyzw, tess.verts[ tess.numVertexes + i ].xyz );
tess.verts[ tess.numVertexes + i ].texCoords[ 0 ] = floatToHalf( st[ 0 ] );
tess.verts[ tess.numVertexes + i ].texCoords[ 1 ] = floatToHalf( st[ 1 ] );
Vector4Copy( color, tess.verts[ tess.numVertexes + i ].color );
}
tess.attribsSet |= ATTR_POSITION | ATTR_COLOR | ATTR_TEXCOORD;
tess.numVertexes += numVertexes;
}
/*
============
R_BindFBO
============
*/
void R_BindFBO( FBO_t *fbo )
{
#if defined( USE_D3D10 )
// TODO
#else
if ( !fbo )
{
R_BindNullFBO();
return;
}
if ( r_logFile->integer )
{
// don't just call LogComment, or we will get a call to va() every frame!
GLimp_LogComment( va( "--- R_BindFBO( %s ) ---\n", fbo->name ) );
}
if ( glState.currentFBO != fbo )
{
glBindFramebufferEXT( GL_FRAMEBUFFER_EXT, fbo->frameBuffer );
/*
if(fbo->colorBuffers[0])
{
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, fbo->colorBuffers[0]);
}
*/
/*
if(fbo->depthBuffer)
{
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, fbo->depthBuffer);
glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, fbo->depthBuffer);
}
*/
glState.currentFBO = fbo;
}
#endif
}
/*
==============
Tess_CheckOverflow
==============
*/
void Tess_CheckOverflow( int verts, int indexes )
{
// FIXME: need to check if a vbo is bound, otherwise we fail on startup
if ( glState.currentVBO != nullptr && glState.currentIBO != nullptr )
{
Tess_CheckVBOAndIBO( tess.vbo, tess.ibo );
}
if ( tess.buildingVBO )
{
return;
}
if ( tess.numVertexes + verts < SHADER_MAX_VERTEXES && tess.numIndexes + indexes < SHADER_MAX_INDEXES )
{
return;
}
if ( r_logFile->integer )
{
// don't just call LogComment, or we will get
// a call to va() every frame!
GLimp_LogComment( va
( "--- Tess_CheckOverflow(%i + %i vertices, %i + %i triangles ) ---\n", tess.numVertexes, verts,
( tess.numIndexes / 3 ), indexes ) );
}
Tess_End();
if ( verts >= SHADER_MAX_VERTEXES )
{
ri.Error( ERR_DROP, "Tess_CheckOverflow: verts > std::max (%d > %d)", verts, SHADER_MAX_VERTEXES );
}
if ( indexes >= SHADER_MAX_INDEXES )
{
ri.Error( ERR_DROP, "Tess_CheckOverflow: indexes > std::max (%d > %d)", indexes, SHADER_MAX_INDEXES );
}
Tess_Begin( tess.stageIteratorFunc, tess.stageIteratorFunc2, tess.surfaceShader, tess.lightShader, tess.skipTangentSpaces, tess.skipVBO,
tess.lightmapNum, tess.fogNum );
}
/*
============
FBO_Bind
============
*/
void FBO_Bind(FBO_t * fbo)
{
if (!glRefConfig.framebufferObject)
{
ri.Printf(PRINT_WARNING, "FBO_Bind() called without framebuffers enabled!\n");
return;
}
if (glState.currentFBO == fbo)
return;
if (r_logFile->integer)
{
// don't just call LogComment, or we will get a call to va() every frame!
GLimp_LogComment(va("--- FBO_Bind( %s ) ---\n", fbo ? fbo->name : "NULL"));
}
GL_BindFramebuffer(GL_FRAMEBUFFER, fbo ? fbo->frameBuffer : 0);
glState.currentFBO = fbo;
}
/*
================
RB_SetGL2D
================
*/
static void RB_SetGL2D( void )
{
matrix_t proj;
GLimp_LogComment( "--- RB_SetGL2D ---\n" );
#if defined( USE_D3D10 )
// TODO
#else
// disable offscreen rendering
if ( glConfig.framebufferObjectAvailable )
{
R_BindNullFBO();
}
#endif
backEnd.projection2D = qtrue;
#if defined( USE_D3D10 )
// TODO
#else
// set 2D virtual screen size
GL_Viewport( 0, 0, glConfig.vidWidth, glConfig.vidHeight );
GL_Scissor( 0, 0, glConfig.vidWidth, glConfig.vidHeight );
MatrixOrthogonalProjection( proj, 0, glConfig.vidWidth, glConfig.vidHeight, 0, 0, 1 );
GL_LoadProjectionMatrix( proj );
GL_LoadModelViewMatrix( matrixIdentity );
GL_State( GLS_DEPTHTEST_DISABLE | GLS_SRCBLEND_SRC_ALPHA | GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA );
qglDisable( GL_CULL_FACE );
qglDisable( GL_CLIP_PLANE0 );
#endif
// set time for 2D shaders
backEnd.refdef.time = ri.Milliseconds();
backEnd.refdef.floatTime = backEnd.refdef.time * 0.001f;
}