mirror of
https://github.com/id-Software/DOOM-3-BFG.git
synced 2024-11-21 20:01:13 +00:00
411 lines
15 KiB
C++
411 lines
15 KiB
C++
/*
|
|
===========================================================================
|
|
|
|
Doom 3 BFG Edition GPL Source Code
|
|
Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
|
|
|
|
This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
|
|
|
|
Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code. If not, please request a copy in writing from id Software at the address below.
|
|
|
|
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
|
|
|
|
===========================================================================
|
|
*/
|
|
|
|
#pragma hdrstop
|
|
#include "../idlib/precompiled.h"
|
|
|
|
#include "tr_local.h"
|
|
|
|
|
|
|
|
idRenderProgManager renderProgManager;
|
|
|
|
/*
|
|
================================================================================================
|
|
idRenderProgManager::idRenderProgManager()
|
|
================================================================================================
|
|
*/
|
|
idRenderProgManager::idRenderProgManager() {
|
|
}
|
|
|
|
/*
|
|
================================================================================================
|
|
idRenderProgManager::~idRenderProgManager()
|
|
================================================================================================
|
|
*/
|
|
idRenderProgManager::~idRenderProgManager() {
|
|
}
|
|
|
|
/*
|
|
================================================================================================
|
|
R_ReloadShaders
|
|
================================================================================================
|
|
*/
|
|
static void R_ReloadShaders( const idCmdArgs &args ) {
|
|
renderProgManager.KillAllShaders();
|
|
renderProgManager.LoadAllShaders();
|
|
}
|
|
|
|
/*
|
|
================================================================================================
|
|
idRenderProgManager::Init()
|
|
================================================================================================
|
|
*/
|
|
void idRenderProgManager::Init() {
|
|
common->Printf( "----- Initializing Render Shaders -----\n" );
|
|
|
|
|
|
for ( int i = 0; i < MAX_BUILTINS; i++ ) {
|
|
builtinShaders[i] = -1;
|
|
}
|
|
struct builtinShaders_t {
|
|
int index;
|
|
const char * name;
|
|
} builtins[] = {
|
|
{ BUILTIN_GUI, "gui.vfp" },
|
|
{ BUILTIN_COLOR, "color.vfp" },
|
|
{ BUILTIN_SIMPLESHADE, "simpleshade.vfp" },
|
|
{ BUILTIN_TEXTURED, "texture.vfp" },
|
|
{ BUILTIN_TEXTURE_VERTEXCOLOR, "texture_color.vfp" },
|
|
{ BUILTIN_TEXTURE_VERTEXCOLOR_SKINNED, "texture_color_skinned.vfp" },
|
|
{ BUILTIN_TEXTURE_TEXGEN_VERTEXCOLOR, "texture_color_texgen.vfp" },
|
|
{ BUILTIN_INTERACTION, "interaction.vfp" },
|
|
{ BUILTIN_INTERACTION_SKINNED, "interaction_skinned.vfp" },
|
|
{ BUILTIN_INTERACTION_AMBIENT, "interactionAmbient.vfp" },
|
|
{ BUILTIN_INTERACTION_AMBIENT_SKINNED, "interactionAmbient_skinned.vfp" },
|
|
{ BUILTIN_ENVIRONMENT, "environment.vfp" },
|
|
{ BUILTIN_ENVIRONMENT_SKINNED, "environment_skinned.vfp" },
|
|
{ BUILTIN_BUMPY_ENVIRONMENT, "bumpyEnvironment.vfp" },
|
|
{ BUILTIN_BUMPY_ENVIRONMENT_SKINNED, "bumpyEnvironment_skinned.vfp" },
|
|
|
|
{ BUILTIN_DEPTH, "depth.vfp" },
|
|
{ BUILTIN_DEPTH_SKINNED, "depth_skinned.vfp" },
|
|
{ BUILTIN_SHADOW_DEBUG, "shadowDebug.vfp" },
|
|
{ BUILTIN_SHADOW_DEBUG_SKINNED, "shadowDebug_skinned.vfp" },
|
|
|
|
{ BUILTIN_BLENDLIGHT, "blendlight.vfp" },
|
|
{ BUILTIN_FOG, "fog.vfp" },
|
|
{ BUILTIN_FOG_SKINNED, "fog_skinned.vfp" },
|
|
{ BUILTIN_SKYBOX, "skybox.vfp" },
|
|
{ BUILTIN_WOBBLESKY, "wobblesky.vfp" },
|
|
{ BUILTIN_POSTPROCESS, "postprocess.vfp" },
|
|
{ BUILTIN_STEREO_DEGHOST, "stereoDeGhost.vfp" },
|
|
{ BUILTIN_STEREO_WARP, "stereoWarp.vfp" },
|
|
{ BUILTIN_ZCULL_RECONSTRUCT, "zcullReconstruct.vfp" },
|
|
{ BUILTIN_BINK, "bink.vfp" },
|
|
{ BUILTIN_BINK_GUI, "bink_gui.vfp" },
|
|
{ BUILTIN_STEREO_INTERLACE, "stereoInterlace.vfp" },
|
|
{ BUILTIN_MOTION_BLUR, "motionBlur.vfp" },
|
|
};
|
|
int numBuiltins = sizeof( builtins ) / sizeof( builtins[0] );
|
|
vertexShaders.SetNum( numBuiltins );
|
|
fragmentShaders.SetNum( numBuiltins );
|
|
glslPrograms.SetNum( numBuiltins );
|
|
|
|
for ( int i = 0; i < numBuiltins; i++ ) {
|
|
vertexShaders[i].name = builtins[i].name;
|
|
fragmentShaders[i].name = builtins[i].name;
|
|
builtinShaders[builtins[i].index] = i;
|
|
LoadVertexShader( i );
|
|
LoadFragmentShader( i );
|
|
LoadGLSLProgram( i, i, i );
|
|
}
|
|
|
|
// Special case handling for fastZ shaders
|
|
builtinShaders[BUILTIN_SHADOW] = FindVertexShader( "shadow.vp" );
|
|
builtinShaders[BUILTIN_SHADOW_SKINNED] = FindVertexShader( "shadow_skinned.vp" );
|
|
|
|
FindGLSLProgram( "shadow.vp", builtinShaders[BUILTIN_SHADOW], -1 );
|
|
FindGLSLProgram( "shadow_skinned.vp", builtinShaders[BUILTIN_SHADOW_SKINNED], -1 );
|
|
|
|
glslUniforms.SetNum( RENDERPARM_USER + MAX_GLSL_USER_PARMS, vec4_zero );
|
|
|
|
vertexShaders[builtinShaders[BUILTIN_TEXTURE_VERTEXCOLOR_SKINNED]].usesJoints = true;
|
|
vertexShaders[builtinShaders[BUILTIN_INTERACTION_SKINNED]].usesJoints = true;
|
|
vertexShaders[builtinShaders[BUILTIN_INTERACTION_AMBIENT_SKINNED]].usesJoints = true;
|
|
vertexShaders[builtinShaders[BUILTIN_ENVIRONMENT_SKINNED]].usesJoints = true;
|
|
vertexShaders[builtinShaders[BUILTIN_BUMPY_ENVIRONMENT_SKINNED]].usesJoints = true;
|
|
vertexShaders[builtinShaders[BUILTIN_DEPTH_SKINNED]].usesJoints = true;
|
|
vertexShaders[builtinShaders[BUILTIN_SHADOW_SKINNED]].usesJoints = true;
|
|
vertexShaders[builtinShaders[BUILTIN_SHADOW_DEBUG_SKINNED]].usesJoints = true;
|
|
vertexShaders[builtinShaders[BUILTIN_FOG_SKINNED]].usesJoints = true;
|
|
|
|
cmdSystem->AddCommand( "reloadShaders", R_ReloadShaders, CMD_FL_RENDERER, "reloads shaders" );
|
|
}
|
|
|
|
/*
|
|
================================================================================================
|
|
idRenderProgManager::LoadAllShaders()
|
|
================================================================================================
|
|
*/
|
|
void idRenderProgManager::LoadAllShaders() {
|
|
for ( int i = 0; i < vertexShaders.Num(); i++ ) {
|
|
LoadVertexShader( i );
|
|
}
|
|
for ( int i = 0; i < fragmentShaders.Num(); i++ ) {
|
|
LoadFragmentShader( i );
|
|
}
|
|
|
|
for ( int i = 0; i < glslPrograms.Num(); ++i ) {
|
|
LoadGLSLProgram( i, glslPrograms[i].vertexShaderIndex, glslPrograms[i].fragmentShaderIndex );
|
|
}
|
|
}
|
|
|
|
/*
|
|
================================================================================================
|
|
idRenderProgManager::KillAllShaders()
|
|
================================================================================================
|
|
*/
|
|
void idRenderProgManager::KillAllShaders() {
|
|
Unbind();
|
|
for ( int i = 0; i < vertexShaders.Num(); i++ ) {
|
|
if ( vertexShaders[i].progId != INVALID_PROGID ) {
|
|
qglDeleteShader( vertexShaders[i].progId );
|
|
vertexShaders[i].progId = INVALID_PROGID;
|
|
}
|
|
}
|
|
for ( int i = 0; i < fragmentShaders.Num(); i++ ) {
|
|
if ( fragmentShaders[i].progId != INVALID_PROGID ) {
|
|
qglDeleteShader( fragmentShaders[i].progId );
|
|
fragmentShaders[i].progId = INVALID_PROGID;
|
|
}
|
|
}
|
|
for ( int i = 0; i < glslPrograms.Num(); ++i ) {
|
|
if ( glslPrograms[i].progId != INVALID_PROGID ) {
|
|
qglDeleteProgram( glslPrograms[i].progId );
|
|
glslPrograms[i].progId = INVALID_PROGID;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
================================================================================================
|
|
idRenderProgManager::Shutdown()
|
|
================================================================================================
|
|
*/
|
|
void idRenderProgManager::Shutdown() {
|
|
KillAllShaders();
|
|
}
|
|
|
|
/*
|
|
================================================================================================
|
|
idRenderProgManager::FindVertexShader
|
|
================================================================================================
|
|
*/
|
|
int idRenderProgManager::FindVertexShader( const char * name ) {
|
|
for ( int i = 0; i < vertexShaders.Num(); i++ ) {
|
|
if ( vertexShaders[i].name.Icmp( name ) == 0 ) {
|
|
LoadVertexShader( i );
|
|
return i;
|
|
}
|
|
}
|
|
vertexShader_t shader;
|
|
shader.name = name;
|
|
int index = vertexShaders.Append( shader );
|
|
LoadVertexShader( index );
|
|
currentVertexShader = index;
|
|
|
|
// FIXME: we should really scan the program source code for using rpEnableSkinning but at this
|
|
// point we directly load a binary and the program source code is not available on the consoles
|
|
if ( idStr::Icmp( name, "heatHaze.vfp" ) == 0 ||
|
|
idStr::Icmp( name, "heatHazeWithMask.vfp" ) == 0 ||
|
|
idStr::Icmp( name, "heatHazeWithMaskAndVertex.vfp" ) == 0 ) {
|
|
vertexShaders[index].usesJoints = true;
|
|
vertexShaders[index].optionalSkinning = true;
|
|
}
|
|
|
|
return index;
|
|
}
|
|
|
|
/*
|
|
================================================================================================
|
|
idRenderProgManager::FindFragmentShader
|
|
================================================================================================
|
|
*/
|
|
int idRenderProgManager::FindFragmentShader( const char * name ) {
|
|
for ( int i = 0; i < fragmentShaders.Num(); i++ ) {
|
|
if ( fragmentShaders[i].name.Icmp( name ) == 0 ) {
|
|
LoadFragmentShader( i );
|
|
return i;
|
|
}
|
|
}
|
|
fragmentShader_t shader;
|
|
shader.name = name;
|
|
int index = fragmentShaders.Append( shader );
|
|
LoadFragmentShader( index );
|
|
currentFragmentShader = index;
|
|
return index;
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
================================================================================================
|
|
idRenderProgManager::LoadVertexShader
|
|
================================================================================================
|
|
*/
|
|
void idRenderProgManager::LoadVertexShader( int index ) {
|
|
if ( vertexShaders[index].progId != INVALID_PROGID ) {
|
|
return; // Already loaded
|
|
}
|
|
vertexShaders[index].progId = ( GLuint ) LoadGLSLShader( GL_VERTEX_SHADER, vertexShaders[index].name, vertexShaders[index].uniforms );
|
|
}
|
|
|
|
/*
|
|
================================================================================================
|
|
idRenderProgManager::LoadFragmentShader
|
|
================================================================================================
|
|
*/
|
|
void idRenderProgManager::LoadFragmentShader( int index ) {
|
|
if ( fragmentShaders[index].progId != INVALID_PROGID ) {
|
|
return; // Already loaded
|
|
}
|
|
fragmentShaders[index].progId = ( GLuint ) LoadGLSLShader( GL_FRAGMENT_SHADER, fragmentShaders[index].name, fragmentShaders[index].uniforms );
|
|
}
|
|
|
|
/*
|
|
================================================================================================
|
|
idRenderProgManager::LoadShader
|
|
================================================================================================
|
|
*/
|
|
GLuint idRenderProgManager::LoadShader( GLenum target, const char * name, const char * startToken ) {
|
|
|
|
idStr fullPath = "renderprogs\\gl\\";
|
|
fullPath += name;
|
|
|
|
common->Printf( "%s", fullPath.c_str() );
|
|
|
|
char * fileBuffer = NULL;
|
|
fileSystem->ReadFile( fullPath.c_str(), (void **)&fileBuffer, NULL );
|
|
if ( fileBuffer == NULL ) {
|
|
common->Printf( ": File not found\n" );
|
|
return INVALID_PROGID;
|
|
}
|
|
if ( !R_IsInitialized() ) {
|
|
common->Printf( ": Renderer not initialized\n" );
|
|
fileSystem->FreeFile( fileBuffer );
|
|
return INVALID_PROGID;
|
|
}
|
|
|
|
// vertex and fragment shaders are both be present in a single file, so
|
|
// scan for the proper header to be the start point, and stamp a 0 in after the end
|
|
char * start = strstr( (char *)fileBuffer, startToken );
|
|
if ( start == NULL ) {
|
|
common->Printf( ": %s not found\n", startToken );
|
|
fileSystem->FreeFile( fileBuffer );
|
|
return INVALID_PROGID;
|
|
}
|
|
char * end = strstr( start, "END" );
|
|
if ( end == NULL ) {
|
|
common->Printf( ": END not found for %s\n", startToken );
|
|
fileSystem->FreeFile( fileBuffer );
|
|
return INVALID_PROGID;
|
|
}
|
|
end[3] = 0;
|
|
|
|
idStr program = start;
|
|
program.Replace( "vertex.normal", "vertex.attrib[11]" );
|
|
program.Replace( "vertex.texcoord[0]", "vertex.attrib[8]" );
|
|
program.Replace( "vertex.texcoord", "vertex.attrib[8]" );
|
|
|
|
GLuint progId;
|
|
qglGenProgramsARB( 1, &progId );
|
|
|
|
qglBindProgramARB( target, progId );
|
|
qglGetError();
|
|
|
|
qglProgramStringARB( target, GL_PROGRAM_FORMAT_ASCII_ARB, program.Length(), program.c_str() );
|
|
GLenum err = qglGetError();
|
|
|
|
GLint ofs = -1;
|
|
qglGetIntegerv( GL_PROGRAM_ERROR_POSITION_ARB, &ofs );
|
|
if ( ( err == GL_INVALID_OPERATION ) || ( ofs != -1 ) ) {
|
|
if ( err == GL_INVALID_OPERATION ) {
|
|
const GLubyte * str = qglGetString( GL_PROGRAM_ERROR_STRING_ARB );
|
|
common->Printf( "\nGL_PROGRAM_ERROR_STRING_ARB: %s\n", str );
|
|
} else {
|
|
common->Printf( "\nUNKNOWN ERROR\n" );
|
|
}
|
|
if ( ofs < 0 ) {
|
|
common->Printf( "GL_PROGRAM_ERROR_POSITION_ARB < 0\n" );
|
|
} else if ( ofs >= program.Length() ) {
|
|
common->Printf( "error at end of shader\n" );
|
|
} else {
|
|
common->Printf( "error at %i:\n%s", ofs, program.c_str() + ofs );
|
|
}
|
|
qglDeleteProgramsARB( 1, &progId );
|
|
fileSystem->FreeFile( fileBuffer );
|
|
return INVALID_PROGID;
|
|
}
|
|
common->Printf( "\n" );
|
|
fileSystem->FreeFile( fileBuffer );
|
|
return progId;
|
|
}
|
|
|
|
/*
|
|
================================================================================================
|
|
idRenderProgManager::BindShader
|
|
================================================================================================
|
|
*/
|
|
void idRenderProgManager::BindShader( int vIndex, int fIndex ) {
|
|
if ( currentVertexShader == vIndex && currentFragmentShader == fIndex ) {
|
|
return;
|
|
}
|
|
currentVertexShader = vIndex;
|
|
currentFragmentShader = fIndex;
|
|
// vIndex denotes the GLSL program
|
|
if ( vIndex >= 0 && vIndex < glslPrograms.Num() ) {
|
|
currentRenderProgram = vIndex;
|
|
RENDERLOG_PRINTF( "Binding GLSL Program %s\n", glslPrograms[vIndex].name.c_str() );
|
|
qglUseProgram( glslPrograms[vIndex].progId );
|
|
}
|
|
}
|
|
|
|
/*
|
|
================================================================================================
|
|
idRenderProgManager::Unbind
|
|
================================================================================================
|
|
*/
|
|
void idRenderProgManager::Unbind() {
|
|
currentVertexShader = -1;
|
|
currentFragmentShader = -1;
|
|
|
|
qglUseProgram( 0 );
|
|
}
|
|
|
|
/*
|
|
================================================================================================
|
|
idRenderProgManager::SetRenderParms
|
|
================================================================================================
|
|
*/
|
|
void idRenderProgManager::SetRenderParms( renderParm_t rp, const float * value, int num ) {
|
|
for ( int i = 0; i < num; i++ ) {
|
|
SetRenderParm( (renderParm_t)(rp + i), value + ( i * 4 ) );
|
|
}
|
|
}
|
|
|
|
/*
|
|
================================================================================================
|
|
idRenderProgManager::SetRenderParm
|
|
================================================================================================
|
|
*/
|
|
void idRenderProgManager::SetRenderParm( renderParm_t rp, const float * value ) {
|
|
SetUniformValue( rp, value );
|
|
}
|
|
|