mirror of
https://github.com/libretro/RetroArch.git
synced 2024-11-24 16:39:43 +00:00
bfc366decc
Example: find . -type f -iname '*.c' | while read -r i; do cat -s "$i" > "$i.new" mv "$i.new" "$i" done
322 lines
10 KiB
C
322 lines
10 KiB
C
/* originally from from https://github.com/smealum/ctrulib */
|
|
|
|
/*
|
|
gpu-old.c _ Legacy GPU commands.
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <3ds/types.h>
|
|
#include <3ds/gpu/gpu.h>
|
|
#include <3ds/gpu/gx.h>
|
|
#include <3ds/gpu/shbin.h>
|
|
|
|
#include "gpu_old.h"
|
|
|
|
void GPU_Init(Handle *gsphandle)
|
|
{
|
|
gpuCmdBuf=NULL;
|
|
gpuCmdBufSize=0;
|
|
gpuCmdBufOffset=0;
|
|
}
|
|
|
|
void GPU_Reset(u32* gxbuf, u32* gpuBuf, u32 gpuBufSize)
|
|
{
|
|
GPUCMD_SetBuffer(gpuBuf, gpuBufSize, 0);
|
|
}
|
|
|
|
void GPU_SetFloatUniform(GPU_SHADER_TYPE type, u32 startreg, u32* data, u32 numreg)
|
|
{
|
|
if(!data)return;
|
|
|
|
int regOffset=(type==GPU_GEOMETRY_SHADER)?(-0x30):(0x0);
|
|
|
|
GPUCMD_AddWrite(GPUREG_VSH_FLOATUNIFORM_CONFIG+regOffset, 0x80000000|startreg);
|
|
GPUCMD_AddWrites(GPUREG_VSH_FLOATUNIFORM_DATA+regOffset, data, numreg*4);
|
|
}
|
|
|
|
//takes PAs as arguments
|
|
void GPU_SetViewport(u32* depthBuffer, u32* colorBuffer, u32 x, u32 y, u32 w, u32 h)
|
|
{
|
|
u32 param[0x4];
|
|
float fw=(float)w;
|
|
float fh=(float)h;
|
|
|
|
GPUCMD_AddWrite(GPUREG_FRAMEBUFFER_FLUSH, 0x00000001);
|
|
GPUCMD_AddWrite(GPUREG_FRAMEBUFFER_INVALIDATE, 0x00000001);
|
|
|
|
u32 f116e=0x01000000|(((h-1)&0xFFF)<<12)|(w&0xFFF);
|
|
|
|
param[0x0]=((u32)depthBuffer)>>3;
|
|
param[0x1]=((u32)colorBuffer)>>3;
|
|
param[0x2]=f116e;
|
|
GPUCMD_AddIncrementalWrites(GPUREG_DEPTHBUFFER_LOC, param, 0x00000003);
|
|
|
|
GPUCMD_AddWrite(GPUREG_RENDERBUF_DIM, f116e);
|
|
GPUCMD_AddWrite(GPUREG_DEPTHBUFFER_FORMAT, 0x00000003); //depth buffer format
|
|
GPUCMD_AddWrite(GPUREG_COLORBUFFER_FORMAT, 0x00000002); //color buffer format
|
|
GPUCMD_AddWrite(GPUREG_FRAMEBUFFER_BLOCK32, 0x00000000); //?
|
|
|
|
param[0x0]=f32tof24(fw/2);
|
|
param[0x1]=f32tof31(2.0f / fw) << 1;
|
|
param[0x2]=f32tof24(fh/2);
|
|
param[0x3]=f32tof31(2.0f / fh) << 1;
|
|
GPUCMD_AddIncrementalWrites(GPUREG_VIEWPORT_WIDTH, param, 0x00000004);
|
|
|
|
GPUCMD_AddWrite(GPUREG_VIEWPORT_XY, (y<<16)|(x&0xFFFF));
|
|
|
|
param[0x0]=0x00000000;
|
|
param[0x1]=0x00000000;
|
|
param[0x2]=((h-1)<<16)|((w-1)&0xFFFF);
|
|
GPUCMD_AddIncrementalWrites(GPUREG_SCISSORTEST_MODE, param, 0x00000003);
|
|
|
|
//enable depth buffer
|
|
param[0x0]=0x0000000F;
|
|
param[0x1]=0x0000000F;
|
|
param[0x2]=0x00000002;
|
|
param[0x3]=0x00000002;
|
|
GPUCMD_AddIncrementalWrites(GPUREG_COLORBUFFER_READ, param, 0x00000004);
|
|
}
|
|
|
|
void GPU_SetScissorTest(GPU_SCISSORMODE mode, u32 left, u32 bottom, u32 right, u32 top)
|
|
{
|
|
u32 param[3];
|
|
|
|
param[0x0] = mode;
|
|
param[0x1] = (bottom<<16)|(left&0xFFFF);
|
|
param[0x2] = ((top-1)<<16)|((right-1)&0xFFFF);
|
|
GPUCMD_AddIncrementalWrites(GPUREG_SCISSORTEST_MODE, param, 0x00000003);
|
|
}
|
|
|
|
void GPU_DepthMap(float zScale, float zOffset)
|
|
{
|
|
GPUCMD_AddWrite(GPUREG_DEPTHMAP_ENABLE, 0x00000001);
|
|
GPUCMD_AddWrite(GPUREG_DEPTHMAP_SCALE, f32tof24(zScale));
|
|
GPUCMD_AddWrite(GPUREG_DEPTHMAP_OFFSET, f32tof24(zOffset));
|
|
}
|
|
|
|
void GPU_SetAlphaTest(bool enable, GPU_TESTFUNC function, u8 ref)
|
|
{
|
|
GPUCMD_AddWrite(GPUREG_FRAGOP_ALPHA_TEST, (enable&1)|((function&7)<<4)|(ref<<8));
|
|
}
|
|
|
|
void GPU_SetStencilTest(bool enable, GPU_TESTFUNC function, u8 ref, u8 input_mask, u8 write_mask)
|
|
{
|
|
GPUCMD_AddWrite(GPUREG_STENCIL_TEST, (enable&1)|((function&7)<<4)|(write_mask<<8)|(ref<<16)|(input_mask<<24));
|
|
}
|
|
|
|
void GPU_SetStencilOp(GPU_STENCILOP sfail, GPU_STENCILOP dfail, GPU_STENCILOP pass)
|
|
{
|
|
GPUCMD_AddWrite(GPUREG_STENCIL_OP, sfail | (dfail << 4) | (pass << 8));
|
|
}
|
|
|
|
void GPU_SetDepthTestAndWriteMask(bool enable, GPU_TESTFUNC function, GPU_WRITEMASK writemask)
|
|
{
|
|
GPUCMD_AddWrite(GPUREG_DEPTH_COLOR_MASK, (enable&1)|((function&7)<<4)|(writemask<<8));
|
|
}
|
|
|
|
void GPU_SetAlphaBlending(GPU_BLENDEQUATION colorEquation, GPU_BLENDEQUATION alphaEquation,
|
|
GPU_BLENDFACTOR colorSrc, GPU_BLENDFACTOR colorDst,
|
|
GPU_BLENDFACTOR alphaSrc, GPU_BLENDFACTOR alphaDst)
|
|
{
|
|
GPUCMD_AddWrite(GPUREG_BLEND_FUNC, colorEquation | (alphaEquation<<8) | (colorSrc<<16) | (colorDst<<20) | (alphaSrc<<24) | (alphaDst<<28));
|
|
GPUCMD_AddMaskedWrite(GPUREG_COLOR_OPERATION, 0x2, 0x00000100);
|
|
}
|
|
|
|
void GPU_SetColorLogicOp(GPU_LOGICOP op)
|
|
{
|
|
GPUCMD_AddWrite(GPUREG_LOGIC_OP, op);
|
|
GPUCMD_AddMaskedWrite(GPUREG_COLOR_OPERATION, 0x2, 0x00000000);
|
|
}
|
|
|
|
void GPU_SetBlendingColor(u8 r, u8 g, u8 b, u8 a)
|
|
{
|
|
GPUCMD_AddWrite(GPUREG_BLEND_COLOR, r | (g << 8) | (b << 16) | (a << 24));
|
|
}
|
|
|
|
void GPU_SetTextureEnable(GPU_TEXUNIT units)
|
|
{
|
|
GPUCMD_AddMaskedWrite(GPUREG_SH_OUTATTR_CLOCK, 0x2, units<<8); // enables texcoord outputs
|
|
GPUCMD_AddWrite(GPUREG_TEXUNIT_CONFIG, 0x00011000|units); // enables texture units
|
|
}
|
|
|
|
void GPU_SetTexture(GPU_TEXUNIT unit, u32* data, u16 width, u16 height, u32 param, GPU_TEXCOLOR colorType)
|
|
{
|
|
switch (unit)
|
|
{
|
|
case GPU_TEXUNIT0:
|
|
GPUCMD_AddWrite(GPUREG_TEXUNIT0_TYPE, colorType);
|
|
GPUCMD_AddWrite(GPUREG_TEXUNIT0_ADDR1, ((u32)data)>>3);
|
|
GPUCMD_AddWrite(GPUREG_TEXUNIT0_DIM, (width<<16)|height);
|
|
GPUCMD_AddWrite(GPUREG_TEXUNIT0_PARAM, param);
|
|
break;
|
|
|
|
case GPU_TEXUNIT1:
|
|
GPUCMD_AddWrite(GPUREG_TEXUNIT1_TYPE, colorType);
|
|
GPUCMD_AddWrite(GPUREG_TEXUNIT1_ADDR, ((u32)data)>>3);
|
|
GPUCMD_AddWrite(GPUREG_TEXUNIT1_DIM, (width<<16)|height);
|
|
GPUCMD_AddWrite(GPUREG_TEXUNIT1_PARAM, param);
|
|
break;
|
|
|
|
case GPU_TEXUNIT2:
|
|
GPUCMD_AddWrite(GPUREG_TEXUNIT2_TYPE, colorType);
|
|
GPUCMD_AddWrite(GPUREG_TEXUNIT2_ADDR, ((u32)data)>>3);
|
|
GPUCMD_AddWrite(GPUREG_TEXUNIT2_DIM, (width<<16)|height);
|
|
GPUCMD_AddWrite(GPUREG_TEXUNIT2_PARAM, param);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void GPU_SetTextureBorderColor(GPU_TEXUNIT unit,u32 borderColor)
|
|
{
|
|
switch (unit)
|
|
{
|
|
case GPU_TEXUNIT0:
|
|
GPUCMD_AddWrite(GPUREG_TEXUNIT0_BORDER_COLOR, borderColor);
|
|
break;
|
|
|
|
case GPU_TEXUNIT1:
|
|
GPUCMD_AddWrite(GPUREG_TEXUNIT1_BORDER_COLOR, borderColor);
|
|
break;
|
|
|
|
case GPU_TEXUNIT2:
|
|
GPUCMD_AddWrite(GPUREG_TEXUNIT2_BORDER_COLOR, borderColor);
|
|
break;
|
|
}
|
|
}
|
|
|
|
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_AddIncrementalWrites(GPUREG_ATTRIBBUFFERS_LOC, param, 0x00000027);
|
|
|
|
GPUCMD_AddMaskedWrite(GPUREG_VSH_INPUTBUFFER_CONFIG, 0xB, 0xA0000000|(totalAttributes-1));
|
|
GPUCMD_AddWrite(GPUREG_VSH_NUM_ATTR, (totalAttributes-1));
|
|
|
|
GPUCMD_AddIncrementalWrites(GPUREG_VSH_ATTRIBUTES_PERMUTATION_LOW, ((u32[]){attributePermutation&0xFFFFFFFF, (attributePermutation>>32)&0xFFFF}), 2);
|
|
}
|
|
|
|
void GPU_SetAttributeBuffersAddress(u32* baseAddress)
|
|
{
|
|
GPUCMD_AddWrite(GPUREG_ATTRIBBUFFERS_LOC, ((u32)baseAddress)>>3);
|
|
}
|
|
|
|
void GPU_SetFaceCulling(GPU_CULLMODE mode)
|
|
{
|
|
GPUCMD_AddWrite(GPUREG_FACECULLING_CONFIG, mode&0x3);
|
|
}
|
|
|
|
void GPU_SetCombinerBufferWrite(u8 rgb_config, u8 alpha_config)
|
|
{
|
|
GPUCMD_AddMaskedWrite(GPUREG_TEXENV_UPDATE_BUFFER, 0x2, (rgb_config << 8) | (alpha_config << 12));
|
|
}
|
|
|
|
const u8 GPU_TEVID[]={0xC0,0xC8,0xD0,0xD8,0xF0,0xF8};
|
|
|
|
void GPU_SetTexEnv(u8 id, u16 rgbSources, u16 alphaSources, u16 rgbOperands, u16 alphaOperands, GPU_COMBINEFUNC rgbCombine, GPU_COMBINEFUNC alphaCombine, u32 constantColor)
|
|
{
|
|
if(id>6)return;
|
|
u32 param[0x5];
|
|
memset(param, 0x00, 5*4);
|
|
|
|
param[0x0]=(alphaSources<<16)|(rgbSources);
|
|
param[0x1]=(alphaOperands<<12)|(rgbOperands);
|
|
param[0x2]=(alphaCombine<<16)|(rgbCombine);
|
|
param[0x3]=constantColor;
|
|
param[0x4]=0x00000000; // ?
|
|
|
|
GPUCMD_AddIncrementalWrites(GPUREG_0000|GPU_TEVID[id], param, 0x00000005);
|
|
}
|
|
|
|
void GPU_DrawArray(GPU_Primitive_t primitive, u32 first, u32 count)
|
|
{
|
|
//set primitive type
|
|
GPUCMD_AddMaskedWrite(GPUREG_PRIMITIVE_CONFIG, 0x2, primitive);
|
|
GPUCMD_AddMaskedWrite(GPUREG_RESTART_PRIMITIVE, 0x2, 0x00000001);
|
|
//index buffer address register should be cleared (except bit 31) before drawing
|
|
GPUCMD_AddWrite(GPUREG_INDEXBUFFER_CONFIG, 0x80000000);
|
|
//pass number of vertices
|
|
GPUCMD_AddWrite(GPUREG_NUMVERTICES, count);
|
|
//set first vertex
|
|
GPUCMD_AddWrite(GPUREG_VERTEX_OFFSET, first);
|
|
|
|
//all the following except 0x000F022E might be useless
|
|
GPUCMD_AddMaskedWrite(GPUREG_GEOSTAGE_CONFIG2, 0x1, 0x00000001);
|
|
GPUCMD_AddMaskedWrite(GPUREG_START_DRAW_FUNC0, 0x1, 0x00000000);
|
|
GPUCMD_AddWrite(GPUREG_DRAWARRAYS, 0x00000001);
|
|
GPUCMD_AddMaskedWrite(GPUREG_START_DRAW_FUNC0, 0x1, 0x00000001);
|
|
GPUCMD_AddWrite(GPUREG_VTX_FUNC, 0x00000001);
|
|
GPUCMD_AddWrite(GPUREG_FRAMEBUFFER_FLUSH, 0x00000001);
|
|
}
|
|
|
|
void GPU_DrawElements(GPU_Primitive_t primitive, u32* indexArray, u32 n)
|
|
{
|
|
//set primitive type
|
|
GPUCMD_AddMaskedWrite(GPUREG_PRIMITIVE_CONFIG, 0x2, primitive);
|
|
GPUCMD_AddMaskedWrite(GPUREG_RESTART_PRIMITIVE, 0x2, 0x00000001);
|
|
//index buffer (TODO : support multiple types)
|
|
GPUCMD_AddWrite(GPUREG_INDEXBUFFER_CONFIG, 0x80000000|((u32)indexArray));
|
|
//pass number of vertices
|
|
GPUCMD_AddWrite(GPUREG_NUMVERTICES, n);
|
|
|
|
GPUCMD_AddWrite(GPUREG_VERTEX_OFFSET, 0x00000000);
|
|
|
|
GPUCMD_AddMaskedWrite(GPUREG_GEOSTAGE_CONFIG, 0x2, 0x00000100);
|
|
GPUCMD_AddMaskedWrite(GPUREG_GEOSTAGE_CONFIG2, 0x2, 0x00000100);
|
|
|
|
GPUCMD_AddMaskedWrite(GPUREG_START_DRAW_FUNC0, 0x1, 0x00000000);
|
|
GPUCMD_AddWrite(GPUREG_DRAWELEMENTS, 0x00000001);
|
|
GPUCMD_AddMaskedWrite(GPUREG_START_DRAW_FUNC0, 0x1, 0x00000001);
|
|
GPUCMD_AddWrite(GPUREG_VTX_FUNC, 0x00000001);
|
|
|
|
// CHECKME: does this one also require GPUREG_FRAMEBUFFER_FLUSH at the end?
|
|
}
|
|
|
|
void GPU_FinishDrawing()
|
|
{
|
|
GPUCMD_AddWrite(GPUREG_FRAMEBUFFER_FLUSH, 0x00000001);
|
|
GPUCMD_AddWrite(GPUREG_FRAMEBUFFER_INVALIDATE, 0x00000001);
|
|
GPUCMD_AddWrite(GPUREG_EARLYDEPTH_CLEAR, 0x00000001);
|
|
}
|
|
|
|
void GPU_Finalize(void)
|
|
{
|
|
GPUCMD_AddMaskedWrite(GPUREG_PRIMITIVE_CONFIG, 0x8, 0x00000000);
|
|
GPUCMD_AddWrite(GPUREG_FRAMEBUFFER_FLUSH, 0x00000001);
|
|
GPUCMD_AddWrite(GPUREG_FRAMEBUFFER_INVALIDATE, 0x00000001);
|
|
#if 0
|
|
GPUCMD_Split(NULL, NULL);
|
|
#else
|
|
GPUCMD_AddWrite(GPUREG_FINALIZE, 0x12345678);
|
|
//not the cleanest way of guaranteeing 0x10-byte size but whatever good enough for now
|
|
GPUCMD_AddWrite(GPUREG_FINALIZE,0x12345678);
|
|
#endif
|
|
}
|