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GPU : GPU_SetAttributeBuffers, GPU_SetStencilTest, GPU_SetFaceCulling

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This commit is contained in:
smea 2014-03-20 14:40:57 +01:00
parent 1c2d235c64
commit a23ddb5bea
2 changed files with 78 additions and 2 deletions
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19
libctru/include/ctr/GPU.h
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@ -38,10 +38,29 @@ typedef enum
GPU_GEQUAL = 7
}GPU_TESTFUNC;
typedef enum{
GPU_BYTE = 0,
GPU_UNSIGNED_BYTE = 1,
GPU_SHORT = 2,
GPU_FLOAT = 3
}GPU_FORMATS;
//defines for CW ?
typedef enum{
GPU_CULL_NONE = 0,
GPU_CULL_FRONT_CCW = 1,
GPU_CULL_BACK_CCW = 2
}GPU_CULLMODE;
#define GPU_ATTRIBFMT(i, n, f) (((((n)-1)<<2)|((f)&3))<<((i)*4))
void GPU_SetUniform(u32 startreg, u32* data, u32 numreg);
void GPU_SetViewport(u32* depthBuffer, u32* colorBuffer, u32 x, u32 y, u32 w, u32 h);
void GPU_DepthRange(float nearVal, float farVal);
void GPU_SetDepthTest(bool enable, GPU_TESTFUNC function, u8 ref);
void GPU_SetStencilTest(bool enable, GPU_TESTFUNC function, u8 ref);
void GPU_SetAttributeBuffers(u8 totalAttributes, u32* baseAddress, u64 attributeFormats, u16 attributeMask, u64 attributePermutation, u8 numBuffers, u32 bufferOffsets[], u64 bufferPermutations[], u8 bufferNumAttributes[]);
void GPU_SetFaceCulling(GPU_CULLMODE mode);
void GPU_SetTexture(u32* data, u16 width, u16 height, u32 param, GPU_TEXCOLOR colorType);
#endif

61
libctru/source/GPU.c
View File

@ -200,6 +200,7 @@ void GPU_SetUniform(u32 startreg, u32* data, u32 numreg)
GPUCMD_Add(0x000F02C1, data, numreg*4);
}
//TODO : fix
u32 f32tof24(float f)
{
if(!f)return 0;
@ -253,8 +254,8 @@ void GPU_SetViewport(u32* depthBuffer, u32* colorBuffer, u32 x, u32 y, u32 w, u3
GPUCMD_Add(0x800F011C, param, 0x00000003);
GPUCMD_AddSingleParam(0x000F006E, f116e);
GPUCMD_AddSingleParam(0x000F0116, 0x00000003); //depth format
GPUCMD_AddSingleParam(0x000F0117, 0x00000002); //color format
GPUCMD_AddSingleParam(0x000F0116, 0x00000003); //depth buffer format
GPUCMD_AddSingleParam(0x000F0117, 0x00000002); //color buffer format
GPUCMD_AddSingleParam(0x000F011B, 0x00000000); //?
param[0x0]=f32tof24(fw/2);
@ -269,6 +270,13 @@ void GPU_SetViewport(u32* depthBuffer, u32* colorBuffer, u32 x, u32 y, u32 w, u3
param[0x1]=0x00000000;
param[0x2]=((h-1)<<16)|((w-1)&0xFFFF);
GPUCMD_Add(0x800F0065, param, 0x00000003);
//enable depth buffer
param[0x0]=0x00000000;
param[0x1]=0x0000000F;
param[0x2]=0x00000002;
param[0x3]=0x00000002;
GPUCMD_Add(0x800F0112, param, 0x00000004);
}
void GPU_DepthRange(float nearVal, float farVal)
@ -278,6 +286,11 @@ void GPU_DepthRange(float nearVal, float farVal)
GPUCMD_AddSingleParam(0x000F004E, f32tof24(farVal));
}
void GPU_SetStencilTest(bool enable, GPU_TESTFUNC function, u8 ref)
{
GPUCMD_AddSingleParam(0x000F0105, (enable&1)|((function&7)<<4)|(ref<<8));
}
void GPU_SetDepthTest(bool enable, GPU_TESTFUNC function, u8 ref)
{
GPUCMD_AddSingleParam(0x000F0107, (enable&1)|((function&7)<<4)|(ref<<8));
@ -290,3 +303,47 @@ void GPU_SetTexture(u32* data, u16 width, u16 height, u32 param, GPU_TEXCOLOR co
GPUCMD_AddSingleParam(0x000F0082, (width)|(height<<16));
GPUCMD_AddSingleParam(0x000F0083, param);
}
const u8 GPU_FORMATSIZE[4]={1,1,2,4};
void GPU_SetAttributeBuffers(u8 totalAttributes, u32* baseAddress, u64 attributeFormats, u16 attributeMask, u64 attributePermutation, u8 numBuffers, u32 bufferOffsets[], u64 bufferPermutations[], u8 bufferNumAttributes[])
{
u32 param[0x28];
memset(param, 0x00, 0x28*4);
param[0x0]=((u32)baseAddress)>>3;
param[0x1]=attributeFormats&0xFFFFFFFF;
param[0x2]=((totalAttributes-1)<<28)|((attributeMask&0xFFF)<<16)|((attributeFormats>>32)&0xFFFF);
int i, j;
u8 sizeTable[0xC];
for(i=0;i<totalAttributes;i++)
{
u8 v=attributeFormats&0xF;
sizeTable[i]=GPU_FORMATSIZE[v&3]*((v>>2)+1);
attributeFormats>>=4;
}
for(i=0;i<numBuffers;i++)
{
u16 stride=0;
param[3*(i+1)+0]=bufferOffsets[i];
param[3*(i+1)+1]=bufferPermutations[i]&0xFFFFFFFF;
for(j=0;j<bufferNumAttributes[i];j++)stride+=sizeTable[(bufferPermutations[i]>>(4*j))&0xF];
param[3*(i+1)+2]=(bufferNumAttributes[i]<<28)|((stride&0xFFF)<<16)|((bufferPermutations[i]>>32)&0xFFFF);
}
GPUCMD_Add(0x800F0200, param, 0x00000027);
GPUCMD_AddSingleParam(0x000B02B9, 0xA0000000|(totalAttributes-1));
GPUCMD_AddSingleParam(0x000F0242, (totalAttributes-1));
GPUCMD_AddSingleParam(0x000F02BB, attributePermutation&0xFFFFFFFF);
GPUCMD_AddSingleParam(0x000F02BC, (attributePermutation>>32)&0xFFFF);
}
void GPU_SetFaceCulling(GPU_CULLMODE mode)
{
GPUCMD_AddSingleParam(0x000F0040, mode&0x3);
}