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wined3d: Pack hardcoded local constants in ARB. 

This makes the location of used program.local parameters more
predictable and eases sharing this space with other private constants.
This commit is contained in:
Stefan Dösinger 2009-05-05 20:45:32 +02:00 committed by Alexandre Julliard
parent 9381a41681
commit 4c29105cb2
1 changed files with 35 additions and 10 deletions
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45
dlls/wined3d/arb_program_shader.c
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@ -270,9 +270,29 @@ static void shader_arb_update_float_pixel_constants(IWineD3DDevice *iface, UINT
This->highest_dirty_ps_const = max(This->highest_dirty_ps_const, start + count + 1);
}
static DWORD *local_const_mapping(IWineD3DBaseShaderImpl *This)
{
DWORD *ret;
DWORD idx = 0;
const local_constant *lconst;
if(This->baseShader.load_local_constsF || list_empty(&This->baseShader.constantsF)) return NULL;
ret = HeapAlloc(GetProcessHeap(), 0, sizeof(DWORD) * This->baseShader.limits.temporary);
if(!ret) {
ERR("Out of memory\n");
return NULL;
}
LIST_FOR_EACH_ENTRY(lconst, &This->baseShader.constantsF, local_constant, entry) {
ret[lconst->idx] = idx++;
}
return ret;
}
/* Generate the variable & register declarations for the ARB_vertex_program output target */
static void shader_generate_arb_declarations(IWineD3DBaseShader *iface, const shader_reg_maps *reg_maps,
SHADER_BUFFER *buffer, const WineD3D_GL_Info *gl_info)
SHADER_BUFFER *buffer, const WineD3D_GL_Info *gl_info, DWORD *lconst_map)
{
IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
IWineD3DDeviceImpl *device = (IWineD3DDeviceImpl *) This->baseShader.device;
@ -353,10 +373,10 @@ static void shader_generate_arb_declarations(IWineD3DBaseShader *iface, const sh
/* Load local constants using the program-local space,
* this avoids reloading them each time the shader is used
*/
if(!This->baseShader.load_local_constsF) {
if(lconst_map) {
LIST_FOR_EACH_ENTRY(lconst, &This->baseShader.constantsF, local_constant, entry) {
shader_addline(buffer, "PARAM C%u = program.local[%u];\n", lconst->idx,
lconst->idx);
lconst_map[lconst->idx]);
}
}
@ -366,7 +386,7 @@ static void shader_generate_arb_declarations(IWineD3DBaseShader *iface, const sh
* local constants do not declare the loaded constants as an array because ARB compilers usually
* do not optimize unused constants away
*/
if(This->baseShader.load_local_constsF || list_empty(&This->baseShader.constantsF)) {
if(!lconst_map || list_empty(&This->baseShader.constantsF)) {
/* Need to PARAM the environment parameters (constants) so we can use relative addressing */
shader_addline(buffer, "PARAM C[%d] = { program.env[0..%d] };\n",
max_constantsF, max_constantsF - 1);
@ -1980,6 +2000,7 @@ static GLuint shader_arb_generate_pshader(IWineD3DPixelShader *iface,
const local_constant *lconst;
GLuint retval;
const char *fragcolor;
DWORD *lconst_map = local_const_mapping((IWineD3DBaseShaderImpl *) This);
/* Create the hw ARB shader */
shader_addline(buffer, "!!ARBfp1.0\n");
@ -2017,7 +2038,7 @@ static GLuint shader_arb_generate_pshader(IWineD3DPixelShader *iface,
}
/* Base Declarations */
shader_generate_arb_declarations( (IWineD3DBaseShader*) This, reg_maps, buffer, &GLINFO_LOCATION);
shader_generate_arb_declarations( (IWineD3DBaseShader*) This, reg_maps, buffer, &GLINFO_LOCATION, lconst_map);
/* Base Shader Body */
shader_generate_main((IWineD3DBaseShader *)This, buffer, reg_maps, function);
@ -2048,12 +2069,13 @@ static GLuint shader_arb_generate_pshader(IWineD3DPixelShader *iface,
}
/* Load immediate constants */
if(!This->baseShader.load_local_constsF) {
if(lconst_map) {
LIST_FOR_EACH_ENTRY(lconst, &This->baseShader.constantsF, local_constant, entry) {
const float *value = (const float *)lconst->value;
GL_EXTCALL(glProgramLocalParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, lconst->idx, value));
GL_EXTCALL(glProgramLocalParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, lconst_map[lconst->idx], value));
checkGLcall("glProgramLocalParameter4fvARB");
}
HeapFree(GetProcessHeap(), 0, lconst_map);
}
return retval;
@ -2069,6 +2091,7 @@ static GLuint shader_arb_generate_vshader(IWineD3DVertexShader *iface,
const WineD3D_GL_Info *gl_info = &device->adapter->gl_info;
const local_constant *lconst;
GLuint ret;
DWORD *lconst_map = local_const_mapping((IWineD3DBaseShaderImpl *) This);
/* Create the hw ARB shader */
shader_addline(buffer, "!!ARBvp1.0\n");
@ -2082,7 +2105,7 @@ static GLuint shader_arb_generate_vshader(IWineD3DVertexShader *iface,
shader_addline(buffer, "TEMP TMP;\n");
/* Base Declarations */
shader_generate_arb_declarations( (IWineD3DBaseShader*) This, reg_maps, buffer, &GLINFO_LOCATION);
shader_generate_arb_declarations( (IWineD3DBaseShader*) This, reg_maps, buffer, &GLINFO_LOCATION, lconst_map);
/* We need a constant to fixup the final position */
shader_addline(buffer, "PARAM posFixup = program.env[%d];\n", ARB_SHADER_PRIVCONST_POS);
@ -2165,13 +2188,15 @@ static GLuint shader_arb_generate_vshader(IWineD3DVertexShader *iface,
ret = -1;
} else {
/* Load immediate constants */
if(!This->baseShader.load_local_constsF) {
if(lconst_map) {
LIST_FOR_EACH_ENTRY(lconst, &This->baseShader.constantsF, local_constant, entry) {
const float *value = (const float *)lconst->value;
GL_EXTCALL(glProgramLocalParameter4fvARB(GL_VERTEX_PROGRAM_ARB, lconst->idx, value));
GL_EXTCALL(glProgramLocalParameter4fvARB(GL_VERTEX_PROGRAM_ARB, lconst_map[lconst->idx], value));
}
}
}
HeapFree(GetProcessHeap(), 0, lconst_map);
return ret;
}