/*
=================
R_LinkGLSLShader
links the GLSL vertex and fragment shaders together to form a GLSL program
=================
*/
bool R_LinkGLSLShader( shaderProgram_t *shaderProgram, bool needsAttributes ) {
GLint linked;
shaderProgram->program = qglCreateProgramObjectARB( );
qglAttachObjectARB( shaderProgram->program, shaderProgram->vertexShader );
qglAttachObjectARB( shaderProgram->program, shaderProgram->fragmentShader );
if ( needsAttributes ) {
qglBindAttribLocationARB( shaderProgram->program, 8, "attr_TexCoord" );
qglBindAttribLocationARB( shaderProgram->program, 9, "attr_Tangent" );
qglBindAttribLocationARB( shaderProgram->program, 10, "attr_Bitangent" );
qglBindAttribLocationARB( shaderProgram->program, 11, "attr_Normal" );
}
qglLinkProgramARB( shaderProgram->program );
qglGetObjectParameterivARB( shaderProgram->program, GL_OBJECT_LINK_STATUS_ARB, &linked );
if ( !linked ) {
common->Printf( "R_LinkGLSLShader: program failed to link\n" );
return false;
}
return true;
}
static int GLSL_InitGPUShader2(shaderProgram_t * program, const char *name, int attribs, const char *vpCode, const char *fpCode)
{
ri.Printf(PRINT_DEVELOPER, "------- GPU shader -------\n");
if(strlen(name) >= MAX_QPATH)
{
ri.Error(ERR_DROP, "GLSL_InitGPUShader2: \"%s\" is too long", name);
}
Q_strncpyz(program->name, name, sizeof(program->name));
program->program = qglCreateProgramObjectARB();
program->attribs = attribs;
if (!(GLSL_CompileGPUShader(program->program, &program->vertexShader, vpCode, strlen(vpCode), GL_VERTEX_SHADER_ARB)))
{
ri.Printf(PRINT_ALL, "GLSL_InitGPUShader2: Unable to load \"%s\" as GL_VERTEX_SHADER_ARB\n", name);
qglDeleteObjectARB(program->program);
return 0;
}
if(fpCode)
{
if(!(GLSL_CompileGPUShader(program->program, &program->fragmentShader, fpCode, strlen(fpCode), GL_FRAGMENT_SHADER_ARB)))
{
ri.Printf(PRINT_ALL, "GLSL_InitGPUShader2: Unable to load \"%s\" as GL_FRAGMENT_SHADER_ARB\n", name);
qglDeleteObjectARB(program->program);
return 0;
}
}
if(attribs & ATTR_POSITION)
qglBindAttribLocationARB(program->program, ATTR_INDEX_POSITION, "attr_Position");
if(attribs & ATTR_TEXCOORD)
qglBindAttribLocationARB(program->program, ATTR_INDEX_TEXCOORD, "attr_TexCoord0");
if(attribs & ATTR_LIGHTCOORD)
qglBindAttribLocationARB(program->program, ATTR_INDEX_LIGHTCOORD, "attr_TexCoord1");
// if(attribs & ATTR_TEXCOORD2)
// qglBindAttribLocationARB(program->program, ATTR_INDEX_TEXCOORD2, "attr_TexCoord2");
// if(attribs & ATTR_TEXCOORD3)
// qglBindAttribLocationARB(program->program, ATTR_INDEX_TEXCOORD3, "attr_TexCoord3");
if(attribs & ATTR_TANGENT)
qglBindAttribLocationARB(program->program, ATTR_INDEX_TANGENT, "attr_Tangent");
if(attribs & ATTR_NORMAL)
qglBindAttribLocationARB(program->program, ATTR_INDEX_NORMAL, "attr_Normal");
if(attribs & ATTR_COLOR)
qglBindAttribLocationARB(program->program, ATTR_INDEX_COLOR, "attr_Color");
if(attribs & ATTR_PAINTCOLOR)
qglBindAttribLocationARB(program->program, ATTR_INDEX_PAINTCOLOR, "attr_PaintColor");
if(attribs & ATTR_LIGHTDIRECTION)
qglBindAttribLocationARB(program->program, ATTR_INDEX_LIGHTDIRECTION, "attr_LightDirection");
if(attribs & ATTR_POSITION2)
qglBindAttribLocationARB(program->program, ATTR_INDEX_POSITION2, "attr_Position2");
if(attribs & ATTR_NORMAL2)
qglBindAttribLocationARB(program->program, ATTR_INDEX_NORMAL2, "attr_Normal2");
if(attribs & ATTR_TANGENT2)
qglBindAttribLocationARB(program->program, ATTR_INDEX_TANGENT2, "attr_Tangent2");
GLSL_LinkProgram(program->program);
return 1;
}
