void Gui_Render()
{
const text_shader_description *shader = renderer.shaderManager->getTextShader();
screenSize[0] = screen_info.w;
screenSize[1] = screen_info.h;
qglUseProgramObjectARB(shader->program);
qglUniform1iARB(shader->sampler, 0);
qglUniform2fvARB(shader->screenSize, 1, screenSize);
qglUniform1fARB(shader->colorReplace, 0.0f);
qglPushAttrib(GL_ENABLE_BIT | GL_PIXEL_MODE_BIT | GL_COLOR_BUFFER_BIT);
qglPushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT | GL_CLIENT_VERTEX_ARRAY_BIT);
qglEnableClientState(GL_TEXTURE_COORD_ARRAY);
qglPolygonMode(GL_FRONT, GL_FILL);
qglFrontFace(GL_CCW);
qglEnable(GL_BLEND);
qglBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
qglDisable(GL_ALPHA_TEST);
if(World_GetPlayer() && main_inventory_manager)
{
Gui_DrawInventory(engine_frame_time);
}
Gui_DrawNotifier(engine_frame_time);
qglUseProgramObjectARB(shader->program);
qglDepthMask(GL_FALSE);
qglPixelStorei(GL_UNPACK_LSB_FIRST, GL_FALSE);
qglPixelStorei(GL_UNPACK_ALIGNMENT, 1);
if(screen_info.crosshair != 0)
{
Gui_DrawCrosshair();
}
Gui_DrawBars();
qglUniform1fARB(shader->colorReplace, 1.0f);
GLText_RenderStrings();
Con_Draw(engine_frame_time);
qglUniform1fARB(shader->colorReplace, 0.0f);
qglDepthMask(GL_TRUE);
qglPopClientAttrib();
qglPopAttrib();
}
static void RB_BloomBrightness( void ) {
GLenum target;
int width, height;
GLint loc;
GL_SelectTexture(0);
qglDisable(GL_TEXTURE_2D);
qglEnable(GL_TEXTURE_RECTANGLE_ARB);
target = GL_TEXTURE_RECTANGLE_ARB;
width = tr.bloomWidth;
height = tr.bloomHeight;
qglBindTexture(target, tr.bloomTexture);
qglCopyTexSubImage2D(target, 0, 0, 0, 0, glConfig.vidHeight - height, width, height);
qglUseProgramObjectARB(tr.brightPassSp);
loc = qglGetUniformLocationARB(tr.brightPassSp, "backBufferTex");
if (loc < 0) {
Com_Error(ERR_DROP, "%s() couldn't get backBufferTex", __FUNCTION__);
}
qglUniform1iARB(loc, 0);
loc = qglGetUniformLocationARB(tr.brightPassSp, "p_brightthreshold");
if (loc < 0) {
Com_Error(ERR_DROP, "%s() couldn't get p_brightthreshold", __FUNCTION__);
}
qglUniform1fARB(loc, (GLfloat)r_BloomBrightThreshold->value);
qglBegin(GL_QUADS);
qglTexCoord2i(0, 0);
qglVertex2i(0, height);
qglTexCoord2i(width, 0);
qglVertex2i(width, height);
qglTexCoord2i(width, height);
qglVertex2i(width, 0);
qglTexCoord2i(0, height);
qglVertex2i(0, 0);
qglEnd();
qglUseProgramObjectARB(0);
qglDisable(GL_TEXTURE_RECTANGLE_ARB);
qglEnable(GL_TEXTURE_2D);
}
qboolean R_Shader_StartLightPass( unsigned int lightIndex ) {
GLint valid;
R_ShaderLight *light = GetLightFromIndex( lightIndex );
matrix4x4_t *worldToViewMatrix = &r_refdef.lightShader.worldToViewMatrix;
vec3_t lightPosition, newcolor;
float f;
assert( light->active == true );
// setup cubemap texture generation
if( gl_support_cubemaps ) {
matrix4x4_t worldToLightMatrix;
matrix4x4_t viewToWorldMatrix;
matrix4x4_t viewToLightMatrix;
// setup the cubemap
qglSelectTextureARB( GL_TEXTURE1_ARB );
glEnable( GL_TEXTURE_CUBE_MAP_ARB );
glBindTexture( GL_TEXTURE_CUBE_MAP_ARB, GL_LoadCubeTexImage( light->cubemapname, false, true ) );
qglSelectTextureARB( GL_TEXTURE0_ARB );
// invert worldToViewMatrix
worldToLightMatrix = GetWorldToLightMatrix( light );
Matrix4x4_Invert_Simple( &viewToWorldMatrix, worldToViewMatrix );
Matrix4x4_Concat( &viewToLightMatrix, &worldToLightMatrix, &viewToWorldMatrix );
qglUniformMatrix4fvARB( r_refdef.lightShader.viewToLightMatrix, 1, true, (float *)&viewToLightMatrix.m );
}
Matrix4x4_Transform( worldToViewMatrix, light->origin, lightPosition );
//Con_Printf( "Light distance to origin: %f (vs %f)\n", VectorDistance( light->origin, r_refdef.vieworg ), VectorLength( lightPosition ) );
qglUniform3fvARB( r_refdef.lightShader.lightPosition, 1, lightPosition );
f = (light->style >= 0 ? d_lightstylevalue[light->style] : 128) * (1.0f / 256.0f) * r_shadow_lightintensityscale.value;
VectorScale(light->color, f, newcolor);
qglUniform3fvARB( r_refdef.lightShader.lightColor, 1, newcolor );
qglUniform1fARB( r_refdef.lightShader.lightMaxDistance, light->maxDistance );
qglValidateProgramARB( r_refdef.lightShader.programObject );
qglGetObjectParameterivARB( r_refdef.lightShader.programObject, GL_OBJECT_VALIDATE_STATUS_ARB, &valid );
return valid == true;
}
void GLSL_SetUniformFloat(shaderProgram_t *program, int uniformNum, GLfloat value)
{
GLint *uniforms = program->uniforms;
GLfloat *compare = (GLfloat *)(program->uniformBuffer + program->uniformBufferOffsets[uniformNum]);
if (uniforms[uniformNum] == -1)
return;
if (uniformsInfo[uniformNum].type != GLSL_FLOAT)
{
ri.Printf( PRINT_WARNING, "GLSL_SetUniformFloat: wrong type for uniform %i in program %s\n", uniformNum, program->name);
return;
}
if (value == *compare)
{
return;
}
*compare = value;
qglUniform1fARB(uniforms[uniformNum], value);
}
GLvoid APIENTRY GLDSA_ProgramUniform1f(GLuint program, GLint location, GLfloat v0)
{
GL_UseProgramObject(program);
qglUniform1fARB(location, v0);
}
/*
** RB_EndSurface
*/
void RB_EndSurface( qboolean forceDepth ) {
shaderCommands_t *input;
GLenum prog;
int loc;
int i,size;
shaderStage_t stage;
image_t image;
char tex[MAX_QPATH];
input = &tess;
if ( tess.shader == tr.maskEndShader ) {
RB_MaskTessFinish();
return;
}
if (input->numIndexes == 0) {
return;
}
if (input->indexes[SHADER_MAX_INDEXES-1] != 0) {
ri.Error (ERR_DROP, "RB_EndSurface() - SHADER_MAX_INDEXES hit");
}
if (input->xyz[SHADER_MAX_VERTEXES-1][0] != 0) {
ri.Error (ERR_DROP, "RB_EndSurface() - SHADER_MAX_VERTEXES hit");
}
if ( tess.shader == tr.shadowShader ) {
RB_ShadowTessEnd();
return;
}
if ( tess.shader == tr.maskShader ) {
RB_MaskTessEnd();
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;
if(forceDepth) {
//Force depth testing if we are rendering via draw.Start3D -Hxrmn
size = sizeof(tess.xstages) / sizeof(tess.xstages[0]);
for(i=0; i<size; i++) {
if(tess.xstages[i] != NULL) {
if(tess.xstages[i]->stateBits & GLS_DEPTHTEST_DISABLE) {
tess.xstages[i]->stateBits &= ~GLS_DEPTHTEST_DISABLE;
}
}
}
}
//
// call off to shader specific tess end function
//
if(tess.shader->GLSL) {
prog = getShaderProgram(tess.shader->GLSLName);
if(prog != -1) {
qglUseProgramObjectARB(prog);
if(qglUniform1fARB) {
loc = qglGetUniformLocationARB(prog, "cgtime");
qglUniform1fARB(loc, backEnd.refdef.floatTime);
}
if(qglUniform3fvARB) {
loc = qglGetUniformLocationARB(prog, "viewPos");
qglUniform3fARB(loc,
backEnd.refdef.vieworg[0],
backEnd.refdef.vieworg[1],
backEnd.refdef.vieworg[2]);
}
if(qglUniform3fvARB) {
loc = qglGetUniformLocationARB(prog, "viewNormal");
qglUniform3fARB(loc,
backEnd.refdef.viewaxis[0][0],
backEnd.refdef.viewaxis[0][1],
backEnd.refdef.viewaxis[0][2]);
}
if(qglUniform2fARB) {
loc = qglGetUniformLocationARB(prog, "fov");
qglUniform2fARB(loc,
backEnd.refdef.fov_x,
backEnd.refdef.fov_y);
}
/*
loc = qglGetUniformLocationARB(prog, "texture_0");
qglUniform1iARB(loc, 0);
loc = qglGetUniformLocationARB(prog, "texture_1");
qglUniform1iARB(loc, 1);*/
}
}
//tess.shader->stages[0]->bundle[0].image
tess.currentStageIteratorFunc();
if(tess.shader->GLSL) {
revertShaderProgram();
qglDisable(GL_TEXTURE0_ARB);
qglDisable(GL_TEXTURE1_ARB);
qglDisable(GL_TEXTURE2_ARB);
qglDisable(GL_TEXTURE3_ARB);
}
//
// 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" );
}
void RB_ColorCorrect( void ) {
GLint loc;
GLenum target;
int width, height;
int shift;
float mul;
if ( !r_enablePostProcess->integer || !r_enableColorCorrect->integer || !glsl ) {
return;
}
GL_SelectTexture(0);
qglDisable(GL_TEXTURE_2D);
qglEnable(GL_TEXTURE_RECTANGLE_ARB);
target = GL_TEXTURE_RECTANGLE_ARB;
width = glConfig.vidWidth;
height = glConfig.vidHeight;
qglBindTexture(target, tr.backBufferTexture);
qglCopyTexSubImage2D(target, 0, 0, 0, 0, 0, glConfig.vidWidth, glConfig.vidHeight);
qglMatrixMode(GL_PROJECTION);
qglLoadIdentity();
qglMatrixMode(GL_MODELVIEW);
qglLoadIdentity();
RB_SetGL2D();
GL_State( GLS_DEPTHTEST_DISABLE );
qglUseProgramObjectARB(tr.colorCorrectSp);
loc = qglGetUniformLocationARB(tr.colorCorrectSp, "p_gammaRecip");
if (loc < 0) {
Com_Error(ERR_DROP, "%s() couldn't get p_gammaRecip", __FUNCTION__);
}
qglUniform1fARB(loc, (GLfloat)(1.0 / r_gamma->value));
//mul = r_overBrightBitsValue->value;
mul = r_overBrightBits->value;
if (mul < 0.0) {
mul = 0.0;
}
shift = tr.overbrightBits;
loc = qglGetUniformLocationARB(tr.colorCorrectSp, "p_overbright");
if (loc < 0) {
Com_Error(ERR_DROP, "%s() couldn't get p_overbright", __FUNCTION__);
}
qglUniform1fARB(loc, (GLfloat)((float)(1 << shift) * mul));
loc = qglGetUniformLocationARB(tr.colorCorrectSp, "p_contrast");
if (loc < 0) {
Com_Error(ERR_DROP, "%s() couldn't get p_contrast", __FUNCTION__);
}
qglUniform1fARB(loc, (GLfloat)r_contrast->value);
loc = qglGetUniformLocationARB(tr.colorCorrectSp, "backBufferTex");
if (loc < 0) {
Com_Error(ERR_DROP, "%s() couldn't get backBufferTex", __FUNCTION__);
}
qglUniform1iARB(loc, 0);
qglBegin(GL_QUADS);
qglTexCoord2i(0, 0);
qglVertex2i(0, height);
qglTexCoord2i(width, 0);
qglVertex2i(width, height);
qglTexCoord2i(width, height);
qglVertex2i(width, 0);
qglTexCoord2i(0, height);
qglVertex2i(0, 0);
qglEnd();
qglUseProgramObjectARB(0);
qglDisable(GL_TEXTURE_RECTANGLE_ARB);
qglEnable(GL_TEXTURE_2D);
}
static void RB_BloomCombine( void ) {
GLenum target;
int width, height;
GLint loc;
GL_SelectTexture(0);
qglDisable(GL_TEXTURE_2D);
qglEnable(GL_TEXTURE_RECTANGLE_ARB);
target = GL_TEXTURE_RECTANGLE_ARB;
width = tr.bloomWidth;
height = tr.bloomHeight;
qglBindTexture(target, tr.bloomTexture);
qglCopyTexSubImage2D(target, 0, 0, 0, 0, glConfig.vidHeight - height, width, height);
qglUseProgramObjectARB(tr.combineSp);
qglBindTexture(target, tr.backBufferTexture);
loc = qglGetUniformLocationARB(tr.combineSp, "backBufferTex");
if (loc < 0) {
Com_Error(ERR_DROP, "%s() couldn't get backBufferTex", __FUNCTION__);
}
qglUniform1iARB(loc, 0);
GL_SelectTexture(1);
qglDisable(GL_TEXTURE_2D);
qglEnable(GL_TEXTURE_RECTANGLE_ARB);
qglBindTexture(target, tr.bloomTexture);
loc = qglGetUniformLocationARB(tr.combineSp, "bloomTex");
if (loc < 0) {
Com_Error(ERR_DROP, "%s() couldn't get bloomTex", __FUNCTION__);
}
qglUniform1iARB(loc, 1);
loc = qglGetUniformLocationARB(tr.combineSp, "p_bloomsaturation");
if (loc < 0) {
Com_Error(ERR_DROP, "%s() couldn't get p_bloomsaturation", __FUNCTION__);
}
qglUniform1fARB(loc, (GLfloat)r_BloomSaturation->value);
loc = qglGetUniformLocationARB(tr.combineSp, "p_scenesaturation");
if (loc < 0) {
Com_Error(ERR_DROP, "%s() couldn't get p_scenesaturation", __FUNCTION__);
}
qglUniform1fARB(loc, (GLfloat)r_BloomSceneSaturation->value);
loc = qglGetUniformLocationARB(tr.combineSp, "p_bloomintensity");
if (loc < 0) {
Com_Error(ERR_DROP, "%s() couldn't get p_bloomintensity", __FUNCTION__);
}
qglUniform1fARB(loc, (GLfloat)r_BloomIntensity->value);
loc = qglGetUniformLocationARB(tr.combineSp, "p_sceneintensity");
if (loc < 0) {
Com_Error(ERR_DROP, "%s() couldn't get p_sceneintensity", __FUNCTION__);
}
qglUniform1fARB(loc, (GLfloat)r_BloomSceneIntensity->value);
width = glConfig.vidWidth;
height = glConfig.vidHeight;
qglBegin(GL_QUADS);
qglMultiTexCoord2iARB(GL_TEXTURE0_ARB, 0, 0);
qglMultiTexCoord2iARB(GL_TEXTURE1_ARB, 0, 0);
qglVertex2i(0, height);
qglMultiTexCoord2iARB(GL_TEXTURE0_ARB, width, 0);
qglMultiTexCoord2iARB(GL_TEXTURE1_ARB, tr.bloomWidth, 0);
qglVertex2i(width, height);
qglMultiTexCoord2iARB(GL_TEXTURE0_ARB, width, height);
qglMultiTexCoord2iARB(GL_TEXTURE1_ARB, tr.bloomWidth, tr.bloomHeight);
qglVertex2i(width, 0);
qglMultiTexCoord2iARB(GL_TEXTURE0_ARB, 0, height);
qglMultiTexCoord2iARB(GL_TEXTURE1_ARB, 0, tr.bloomHeight);
qglVertex2i(0, 0);
qglEnd();
qglUseProgramObjectARB(0);
GL_SelectTexture(1);
qglDisable(GL_TEXTURE_RECTANGLE_ARB);
qglDisable(GL_TEXTURE_2D);
GL_SelectTexture(0);
qglDisable(GL_TEXTURE_RECTANGLE_ARB);
qglEnable(GL_TEXTURE_2D);
}