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fixed shaderProgramUse so that programs without geoshaders will play nice with those with

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This commit is contained in:
smea 2015-01-03 18:06:22 -08:00
parent 100f72c193
commit 8d274afd13
1 changed files with 11 additions and 6 deletions
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17
libctru/source/gpu/shaderProgram.c
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@ -168,6 +168,17 @@ Result shaderProgramUse(shaderProgram_s* sp)
int i;
// configure geostage
// has to be done first or else VSH registers might only reconfigure 3 of the 4 shader units !
if(!sp->geometryShader)
{
GPUCMD_AddMaskedWrite(GPUREG_GEOSTAGE_CONFIG, 0x1, 0x00000000);
GPUCMD_AddMaskedWrite(GPUREG_0244, 0x1, 0x00000000);
}else{
GPUCMD_AddMaskedWrite(GPUREG_GEOSTAGE_CONFIG, 0x1, 0x00000002);
GPUCMD_AddMaskedWrite(GPUREG_0244, 0x1, 0x00000001);
}
// setup vertex shader stuff no matter what
const DVLE_s* vshDvle = sp->vertexShader->dvle;
const DVLP_s* vshDvlp = vshDvle->dvlp;
@ -190,9 +201,6 @@ Result shaderProgramUse(shaderProgram_s* sp)
// finish setting up vertex shader alone
GPU_SetShaderOutmap((u32*)vshDvle->outmapData);
GPUCMD_AddMaskedWrite(GPUREG_GEOSTAGE_CONFIG, 0x1, 0x00000000);
GPUCMD_AddMaskedWrite(GPUREG_0244, 0x1, 0x00000000);
GPUCMD_AddWrite(GPUREG_0064, 0x00000001); // ?
GPUCMD_AddWrite(GPUREG_006F, 0x00000703); // ?
}else{
@ -213,9 +221,6 @@ Result shaderProgramUse(shaderProgram_s* sp)
GPUCMD_AddWrite(GPUREG_GSH_INPUTBUFFER_CONFIG, 0x08000000|(sp->geometryShaderInputStride-1));
GPUCMD_AddIncrementalWrites(GPUREG_GSH_ATTRIBUTES_PERMUTATION_LOW, ((u32[]){0x76543210, 0xFEDCBA98}), 2);
GPUCMD_AddMaskedWrite(GPUREG_GEOSTAGE_CONFIG, 0x1, 0x00000002);
GPUCMD_AddMaskedWrite(GPUREG_0244, 0x1, 0x00000001);
GPUCMD_AddWrite(GPUREG_0064, 0x00000001); // ?
GPUCMD_AddWrite(GPUREG_006F, 0x01030703); // ?
}