/*
==============
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;
}
/*
** RB_StageIteratorGeneric
*/
void RB_StageIteratorGeneric( void )
{
shaderCommands_t *input;
unsigned int vertexAttribs = 0;
input = &tess;
if (!input->numVertexes || !input->numIndexes)
{
return;
}
if (tess.useInternalVao)
{
RB_DeformTessGeometry();
}
vertexAttribs = RB_CalcShaderVertexAttribs( input );
if (tess.useInternalVao)
{
RB_UpdateTessVao(vertexAttribs);
}
else
{
backEnd.pc.c_staticVaoDraws++;
}
//
// 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_StageIteratorGeneric( %s ) ---\n", tess.shader->name) );
}
//
// set face culling appropriately
//
if ((backEnd.viewParms.flags & VPF_DEPTHSHADOW))
{
//GL_Cull( CT_TWO_SIDED );
if (input->shader->cullType == CT_TWO_SIDED)
GL_Cull( CT_TWO_SIDED );
else if (input->shader->cullType == CT_FRONT_SIDED)
GL_Cull( CT_BACK_SIDED );
else
GL_Cull( CT_FRONT_SIDED );
}
else
GL_Cull( input->shader->cullType );
// set polygon offset if necessary
if ( input->shader->polygonOffset )
{
qglEnable( GL_POLYGON_OFFSET_FILL );
}
//
// render depth if in depthfill mode
//
if (backEnd.depthFill)
{
RB_IterateStagesGeneric( input );
//
// reset polygon offset
//
if ( input->shader->polygonOffset )
{
qglDisable( GL_POLYGON_OFFSET_FILL );
}
return;
}
//
// render shadowmap if in shadowmap mode
//
if (backEnd.viewParms.flags & VPF_SHADOWMAP)
{
if ( input->shader->sort == SS_OPAQUE )
{
RB_RenderShadowmap( input );
}
//
// reset polygon offset
//
if ( input->shader->polygonOffset )
{
qglDisable( GL_POLYGON_OFFSET_FILL );
}
return;
}
//
//
// call shader function
//
RB_IterateStagesGeneric( input );
//
// pshadows!
//
if (glRefConfig.framebufferObject && r_shadows->integer == 4 && tess.pshadowBits
&& tess.shader->sort <= SS_OPAQUE && !(tess.shader->surfaceFlags & (SURF_NODLIGHT | SURF_SKY) ) ) {
ProjectPshadowVBOGLSL();
}
//
// now do any dynamic lighting needed
//
if ( tess.dlightBits && tess.shader->sort <= SS_OPAQUE
&& !(tess.shader->surfaceFlags & (SURF_NODLIGHT | SURF_SKY) ) ) {
if (tess.shader->numUnfoggedPasses == 1 && tess.xstages[0]->glslShaderGroup == tr.lightallShader
&& (tess.xstages[0]->glslShaderIndex & LIGHTDEF_LIGHTTYPE_MASK) && r_dlightMode->integer)
{
ForwardDlight();
}
else
{
ProjectDlightTexture();
}
}
//
// now do fog
//
if ( tess.fogNum && tess.shader->fogPass ) {
RB_FogPass();
}
//
// reset polygon offset
//
if ( input->shader->polygonOffset )
{
qglDisable( GL_POLYGON_OFFSET_FILL );
}
}
/*
==============
RB_SurfaceBeam
==============
*/
static void RB_SurfaceBeam( void )
{
#define NUM_BEAM_SEGS 6
refEntity_t *e;
shaderProgram_t *sp = &tr.textureColorShader;
int i;
vec3_t perpvec;
vec3_t direction, normalized_direction;
vec3_t start_points[NUM_BEAM_SEGS], end_points[NUM_BEAM_SEGS];
vec3_t oldorigin, origin;
e = &backEnd.currentEntity->e;
oldorigin[0] = e->oldorigin[0];
oldorigin[1] = e->oldorigin[1];
oldorigin[2] = e->oldorigin[2];
origin[0] = e->origin[0];
origin[1] = e->origin[1];
origin[2] = e->origin[2];
normalized_direction[0] = direction[0] = oldorigin[0] - origin[0];
normalized_direction[1] = direction[1] = oldorigin[1] - origin[1];
normalized_direction[2] = direction[2] = oldorigin[2] - origin[2];
if ( VectorNormalize( normalized_direction ) == 0 )
return;
PerpendicularVector( perpvec, normalized_direction );
VectorScale( perpvec, 4, perpvec );
for ( i = 0; i < NUM_BEAM_SEGS ; i++ )
{
RotatePointAroundVector( start_points[i], normalized_direction, perpvec, (360.0/NUM_BEAM_SEGS)*i );
// VectorAdd( start_points[i], origin, start_points[i] );
VectorAdd( start_points[i], direction, end_points[i] );
}
GL_BindToTMU( tr.whiteImage, TB_COLORMAP );
GL_State( GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE );
// FIXME: Quake3 doesn't use this, so I never tested it
tess.numVertexes = 0;
tess.numIndexes = 0;
tess.firstIndex = 0;
for ( i = 0; i <= NUM_BEAM_SEGS; i++ ) {
VectorCopy(start_points[ i % NUM_BEAM_SEGS ], tess.xyz[tess.numVertexes++]);
VectorCopy(end_points [ i % NUM_BEAM_SEGS ], tess.xyz[tess.numVertexes++]);
}
for ( i = 0; i < NUM_BEAM_SEGS; i++ ) {
tess.indexes[tess.numIndexes++] = i * 2;
tess.indexes[tess.numIndexes++] = (i + 1) * 2;
tess.indexes[tess.numIndexes++] = 1 + i * 2;
tess.indexes[tess.numIndexes++] = 1 + i * 2;
tess.indexes[tess.numIndexes++] = (i + 1) * 2;
tess.indexes[tess.numIndexes++] = 1 + (i + 1) * 2;
}
// FIXME: A lot of this can probably be removed for speed, and refactored into a more convenient function
RB_UpdateTessVao(ATTR_POSITION);
GLSL_BindProgram(sp);
GLSL_SetUniformMat4(sp, UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
GLSL_SetUniformVec4(sp, UNIFORM_COLOR, colorRed);
GLSL_SetUniformInt(sp, UNIFORM_ALPHATEST, 0);
R_DrawElements(tess.numIndexes, tess.firstIndex);
tess.numIndexes = 0;
tess.numVertexes = 0;
tess.firstIndex = 0;
}
static void DrawSkySideInner( struct image_s *image, const int mins[2], const int maxs[2] )
{
int s, t;
int firstVertex = tess.numVertexes;
//int firstIndex = tess.numIndexes;
int minIndex = tess.minIndex;
int maxIndex = tess.maxIndex;
vec4_t color;
//tess.numVertexes = 0;
//tess.numIndexes = 0;
tess.firstIndex = tess.numIndexes;
GL_Bind( image );
GL_Cull( CT_TWO_SIDED );
for ( t = mins[1]+HALF_SKY_SUBDIVISIONS; t <= maxs[1]+HALF_SKY_SUBDIVISIONS; t++ )
{
for ( s = mins[0]+HALF_SKY_SUBDIVISIONS; s <= maxs[0]+HALF_SKY_SUBDIVISIONS; s++ )
{
tess.xyz[tess.numVertexes][0] = s_skyPoints[t][s][0];
tess.xyz[tess.numVertexes][1] = s_skyPoints[t][s][1];
tess.xyz[tess.numVertexes][2] = s_skyPoints[t][s][2];
tess.xyz[tess.numVertexes][3] = 1.0;
tess.texCoords[tess.numVertexes][0][0] = s_skyTexCoords[t][s][0];
tess.texCoords[tess.numVertexes][0][1] = s_skyTexCoords[t][s][1];
tess.numVertexes++;
if(tess.numVertexes >= SHADER_MAX_VERTEXES)
{
ri.Error(ERR_DROP, "SHADER_MAX_VERTEXES hit in DrawSkySideVBO()\n");
}
}
}
for ( t = 0; t < maxs[1] - mins[1]; t++ )
{
for ( s = 0; s < maxs[0] - mins[0]; s++ )
{
if (tess.numIndexes + 6 >= SHADER_MAX_INDEXES)
{
ri.Error(ERR_DROP, "SHADER_MAX_INDEXES hit in DrawSkySideVBO()\n");
}
tess.indexes[tess.numIndexes++] = s + t * (maxs[0] - mins[0] + 1) + firstVertex;
tess.indexes[tess.numIndexes++] = s + (t + 1) * (maxs[0] - mins[0] + 1) + firstVertex;
tess.indexes[tess.numIndexes++] = (s + 1) + t * (maxs[0] - mins[0] + 1) + firstVertex;
tess.indexes[tess.numIndexes++] = (s + 1) + t * (maxs[0] - mins[0] + 1) + firstVertex;
tess.indexes[tess.numIndexes++] = s + (t + 1) * (maxs[0] - mins[0] + 1) + firstVertex;
tess.indexes[tess.numIndexes++] = (s + 1) + (t + 1) * (maxs[0] - mins[0] + 1) + firstVertex;
}
}
tess.minIndex = firstVertex;
tess.maxIndex = tess.numVertexes;
// FIXME: A lot of this can probably be removed for speed, and refactored into a more convenient function
RB_UpdateTessVao(ATTR_POSITION | ATTR_TEXCOORD);
/*
{
shaderProgram_t *sp = &tr.textureColorShader;
GLSL_BindProgram(sp);
GLSL_SetUniformMat4(sp, UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
color[0] =
color[1] =
color[2] = tr.identityLight;
color[3] = 1.0f;
GLSL_SetUniformVec4(sp, UNIFORM_COLOR, color);
}
*/
{
shaderProgram_t *sp = &tr.lightallShader[0];
vec4_t vector;
GLSL_BindProgram(sp);
GLSL_SetUniformMat4(sp, UNIFORM_MODELVIEWPROJECTIONMATRIX, glState.modelviewProjection);
color[0] =
color[1] =
color[2] = backEnd.refdef.colorScale;
color[3] = 1.0f;
GLSL_SetUniformVec4(sp, UNIFORM_BASECOLOR, color);
color[0] =
color[1] =
color[2] =
color[3] = 0.0f;
GLSL_SetUniformVec4(sp, UNIFORM_VERTCOLOR, color);
VectorSet4(vector, 1.0, 0.0, 0.0, 1.0);
GLSL_SetUniformVec4(sp, UNIFORM_DIFFUSETEXMATRIX, vector);
VectorSet4(vector, 0.0, 0.0, 0.0, 0.0);
GLSL_SetUniformVec4(sp, UNIFORM_DIFFUSETEXOFFTURB, vector);
}
R_DrawElementsVao(tess.numIndexes - tess.firstIndex, tess.firstIndex, tess.minIndex, tess.maxIndex);
//qglDrawElements(GL_TRIANGLES, tess.numIndexes - tess.firstIndex, GL_INDEX_TYPE, BUFFER_OFFSET(tess.firstIndex * sizeof(glIndex_t)));
//R_BindNullVBO();
//R_BindNullIBO();
tess.numIndexes = tess.firstIndex;
tess.numVertexes = firstVertex;
tess.firstIndex = 0;
tess.minIndex = minIndex;
tess.maxIndex = maxIndex;
}