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wined3d: Load boolean and integer constants into the GLSL shader program.

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Jason Green 2006-06-16 16:08:34 -04:00 committed by Alexandre Julliard
parent f444009bfb
commit 406ec20459
1 changed files with 91 additions and 2 deletions
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93
dlls/wined3d/glsl_shader.c
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@ -110,6 +110,79 @@ void shader_glsl_load_constantsF(
}
}
/**
* Loads integer constants (aka uniforms) into the currently set GLSL program.
* When @constants_set == NULL, it will load all the constants.
*/
void shader_glsl_load_constantsI(
WineD3D_GL_Info *gl_info,
GLhandleARB programId,
unsigned max_constants,
int* constants,
BOOL* constants_set,
char is_pshader) {
GLhandleARB tmp_loc;
int i;
char tmp_name[7];
const char* prefix = is_pshader? "PI":"VI";
for (i=0; i<max_constants; ++i) {
if (NULL == constants_set || constants_set[i]) {
TRACE("Loading constants %i: %i, %i, %i, %i\n",
i, constants[i*4], constants[i*4+1], constants[i*4+2], constants[i*4+3]);
/* TODO: Benchmark and see if it would be beneficial to store the
* locations of the constants to avoid looking up each time */
snprintf(tmp_name, sizeof(tmp_name), "%s[%i]", prefix, i);
tmp_loc = GL_EXTCALL(glGetUniformLocationARB(programId, tmp_name));
if (tmp_loc != -1) {
/* We found this uniform name in the program - go ahead and send the data */
GL_EXTCALL(glUniform4ivARB(tmp_loc, 1, &constants[i*4]));
checkGLcall("glUniform4ivARB");
}
}
}
}
/**
* Loads boolean constants (aka uniforms) into the currently set GLSL program.
* When @constants_set == NULL, it will load all the constants.
*/
void shader_glsl_load_constantsB(
WineD3D_GL_Info *gl_info,
GLhandleARB programId,
unsigned max_constants,
BOOL* constants,
BOOL* constants_set,
char is_pshader) {
GLhandleARB tmp_loc;
int i;
char tmp_name[7];
const char* prefix = is_pshader? "PB":"VB";
for (i=0; i<max_constants; ++i) {
if (NULL == constants_set || constants_set[i]) {
TRACE("Loading constants %i: %i;\n", i, constants[i*4]);
/* TODO: Benchmark and see if it would be beneficial to store the
* locations of the constants to avoid looking up each time */
snprintf(tmp_name, sizeof(tmp_name), "%s[%i]", prefix, i);
tmp_loc = GL_EXTCALL(glGetUniformLocationARB(programId, tmp_name));
if (tmp_loc != -1) {
/* We found this uniform name in the program - go ahead and send the data */
GL_EXTCALL(glUniform1ivARB(tmp_loc, 1, &constants[i*4]));
checkGLcall("glUniform1ivARB");
}
}
}
}
/**
* Loads the app-supplied constants into the currently set GLSL program.
*/
@ -143,7 +216,15 @@ void shader_glsl_load_constants(
stateBlock->vertexShaderConstantF,
stateBlock->set.vertexShaderConstantsF, 0);
/* TODO: Load boolean & integer constants for vertex shader */
/* Load DirectX 9 integer constants/uniforms for vertex shader */
shader_glsl_load_constantsI(gl_info, programId, MAX_CONST_I,
stateBlock->vertexShaderConstantI,
stateBlock->set.vertexShaderConstantsI, 0);
/* Load DirectX 9 boolean constants/uniforms for vertex shader */
shader_glsl_load_constantsB(gl_info, programId, MAX_CONST_B,
stateBlock->vertexShaderConstantB,
stateBlock->set.vertexShaderConstantsB, 0);
}
if (usePixelShader) {
@ -156,7 +237,15 @@ void shader_glsl_load_constants(
stateBlock->pixelShaderConstantF,
stateBlock->set.pixelShaderConstantsF, 1);
/* TODO: Load boolean & integer constants for pixel shader */
/* Load DirectX 9 integer constants/uniforms for pixel shader */
shader_glsl_load_constantsI(gl_info, programId, MAX_CONST_I,
stateBlock->pixelShaderConstantI,
stateBlock->set.pixelShaderConstantsI, 1);
/* Load DirectX 9 boolean constants/uniforms for pixel shader */
shader_glsl_load_constantsB(gl_info, programId, MAX_CONST_B,
stateBlock->pixelShaderConstantB,
stateBlock->set.pixelShaderConstantsB, 1);
}
}