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Diffstat (limited to 'src/mesa/drivers/dri/r600/r700_fragprog.c')
-rw-r--r--src/mesa/drivers/dri/r600/r700_fragprog.c476
1 files changed, 476 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r600/r700_fragprog.c b/src/mesa/drivers/dri/r600/r700_fragprog.c
new file mode 100644
index 00000000000..78ce3ae4366
--- /dev/null
+++ b/src/mesa/drivers/dri/r600/r700_fragprog.c
@@ -0,0 +1,476 @@
+/*
+ * Copyright (C) 2008-2009 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * Authors:
+ * Richard Li <[email protected]>, <[email protected]>
+ * CooperYuan <[email protected]>, <[email protected]>
+ */
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+
+#include "main/imports.h"
+#include "shader/prog_parameter.h"
+#include "shader/prog_statevars.h"
+
+#include "r600_context.h"
+#include "r600_cmdbuf.h"
+
+#include "r700_fragprog.h"
+
+#include "r700_debug.h"
+
+//TODO : Validate FP input with VP output.
+void Map_Fragment_Program(r700_AssemblerBase *pAsm,
+ struct gl_fragment_program *mesa_fp)
+{
+ unsigned int unBit;
+ unsigned int i;
+ GLuint ui;
+
+ pAsm->number_used_registers = 0;
+
+//Input mapping : mesa_fp->Base.InputsRead set the flag, set in
+ //The flags parsed in parse_attrib_binding. FRAG_ATTRIB_COLx, FRAG_ATTRIB_TEXx, ...
+ //MUST match order in Map_Vertex_Output
+ unBit = 1 << FRAG_ATTRIB_WPOS;
+ if(mesa_fp->Base.InputsRead & unBit)
+ {
+ pAsm->uiFP_AttributeMap[FRAG_ATTRIB_WPOS] = pAsm->number_used_registers++;
+ }
+
+ unBit = 1 << FRAG_ATTRIB_COL0;
+ if(mesa_fp->Base.InputsRead & unBit)
+ {
+ pAsm->uiFP_AttributeMap[FRAG_ATTRIB_COL0] = pAsm->number_used_registers++;
+ }
+
+ unBit = 1 << FRAG_ATTRIB_COL1;
+ if(mesa_fp->Base.InputsRead & unBit)
+ {
+ pAsm->uiFP_AttributeMap[FRAG_ATTRIB_COL1] = pAsm->number_used_registers++;
+ }
+
+ unBit = 1 << FRAG_ATTRIB_FOGC;
+ if(mesa_fp->Base.InputsRead & unBit)
+ {
+ pAsm->uiFP_AttributeMap[FRAG_ATTRIB_FOGC] = pAsm->number_used_registers++;
+ }
+
+ for(i=0; i<8; i++)
+ {
+ unBit = 1 << (FRAG_ATTRIB_TEX0 + i);
+ if(mesa_fp->Base.InputsRead & unBit)
+ {
+ pAsm->uiFP_AttributeMap[FRAG_ATTRIB_TEX0 + i] = pAsm->number_used_registers++;
+ }
+ }
+
+/* Map temporary registers (GPRs) */
+ pAsm->starting_temp_register_number = pAsm->number_used_registers;
+
+ if(mesa_fp->Base.NumNativeTemporaries >= mesa_fp->Base.NumTemporaries)
+ {
+ pAsm->number_used_registers += mesa_fp->Base.NumNativeTemporaries;
+ }
+ else
+ {
+ pAsm->number_used_registers += mesa_fp->Base.NumTemporaries;
+ }
+
+/* Output mapping */
+ pAsm->number_of_exports = 0;
+ pAsm->number_of_colorandz_exports = 0; /* don't include stencil and mask out. */
+ pAsm->starting_export_register_number = pAsm->number_used_registers;
+ unBit = 1 << FRAG_RESULT_COLOR;
+ if(mesa_fp->Base.OutputsWritten & unBit)
+ {
+ pAsm->uiFP_OutputMap[FRAG_RESULT_COLOR] = pAsm->number_used_registers++;
+ pAsm->number_of_exports++;
+ pAsm->number_of_colorandz_exports++;
+ }
+ unBit = 1 << FRAG_RESULT_DEPTH;
+ if(mesa_fp->Base.OutputsWritten & unBit)
+ {
+ pAsm->depth_export_register_number = pAsm->number_used_registers;
+ pAsm->uiFP_OutputMap[FRAG_RESULT_DEPTH] = pAsm->number_used_registers++;
+ pAsm->number_of_exports++;
+ pAsm->number_of_colorandz_exports++;
+ pAsm->pR700Shader->depthIsExported = 1;
+ }
+
+ pAsm->pucOutMask = (unsigned char*) MALLOC(pAsm->number_of_exports);
+ for(ui=0; ui<pAsm->number_of_exports; ui++)
+ {
+ pAsm->pucOutMask[ui] = 0x0;
+ }
+
+ pAsm->uFirstHelpReg = pAsm->number_used_registers;
+}
+
+GLboolean Find_Instruction_Dependencies_fp(struct r700_fragment_program *fp,
+ struct gl_fragment_program *mesa_fp)
+{
+ GLuint i, j;
+ GLint * puiTEMPwrites;
+ struct prog_instruction * pILInst;
+ InstDeps *pInstDeps;
+ struct prog_instruction * texcoord_DepInst;
+ GLint nDepInstID;
+
+ puiTEMPwrites = (GLint*) MALLOC(sizeof(GLuint)*mesa_fp->Base.NumTemporaries);
+ for(i=0; i<mesa_fp->Base.NumTemporaries; i++)
+ {
+ puiTEMPwrites[i] = -1;
+ }
+
+ pInstDeps = (InstDeps*)MALLOC(sizeof(InstDeps)*mesa_fp->Base.NumInstructions);
+
+ for(i=0; i<mesa_fp->Base.NumInstructions; i++)
+ {
+ pInstDeps[i].nDstDep = -1;
+ pILInst = &(mesa_fp->Base.Instructions[i]);
+
+ //Dst
+ if(pILInst->DstReg.File == PROGRAM_TEMPORARY)
+ {
+ //Set lastwrite for the temp
+ puiTEMPwrites[pILInst->DstReg.Index] = i;
+ }
+
+ //Src
+ for(j=0; j<3; j++)
+ {
+ if(pILInst->SrcReg[j].File == PROGRAM_TEMPORARY)
+ {
+ //Set dep.
+ pInstDeps[i].nSrcDeps[j] = puiTEMPwrites[pILInst->SrcReg[j].Index];
+ }
+ else
+ {
+ pInstDeps[i].nSrcDeps[j] = -1;
+ }
+ }
+ }
+
+ fp->r700AsmCode.pInstDeps = pInstDeps;
+
+ FREE(puiTEMPwrites);
+
+ //Find dep for tex inst
+ for(i=0; i<mesa_fp->Base.NumInstructions; i++)
+ {
+ pILInst = &(mesa_fp->Base.Instructions[i]);
+
+ if(GL_TRUE == IsTex(pILInst->Opcode))
+ { //src0 is the tex coord register, src1 is texunit, src2 is textype
+ nDepInstID = pInstDeps[i].nSrcDeps[0];
+ if(nDepInstID >= 0)
+ {
+ texcoord_DepInst = &(mesa_fp->Base.Instructions[nDepInstID]);
+ if(GL_TRUE == IsAlu(texcoord_DepInst->Opcode) )
+ {
+ pInstDeps[nDepInstID].nDstDep = i;
+ pInstDeps[i].nDstDep = i;
+ }
+ else if(GL_TRUE == IsTex(texcoord_DepInst->Opcode) )
+ {
+ pInstDeps[i].nDstDep = i;
+ }
+ else
+ { //... other deps?
+ }
+ }
+ }
+ }
+
+ return GL_TRUE;
+}
+
+GLboolean r700TranslateFragmentShader(struct r700_fragment_program *fp,
+ struct gl_fragment_program *mesa_fp)
+{
+ GLuint number_of_colors_exported;
+ GLboolean z_enabled = GL_FALSE;
+ GLuint unBit;
+
+ //Init_Program
+ Init_r700_AssemblerBase( SPT_FP, &(fp->r700AsmCode), &(fp->r700Shader) );
+ Map_Fragment_Program(&(fp->r700AsmCode), mesa_fp);
+
+ if( GL_FALSE == Find_Instruction_Dependencies_fp(fp, mesa_fp) )
+ {
+ return GL_FALSE;
+ }
+
+ if( GL_FALSE == AssembleInstr(mesa_fp->Base.NumInstructions,
+ &(mesa_fp->Base.Instructions[0]),
+ &(fp->r700AsmCode)) )
+ {
+ return GL_FALSE;
+ }
+
+ if(GL_FALSE == Process_Fragment_Exports(&(fp->r700AsmCode), mesa_fp->Base.OutputsWritten) )
+ {
+ return GL_FALSE;
+ }
+
+ fp->r700Shader.nRegs = (fp->r700AsmCode.number_used_registers == 0) ? 0
+ : (fp->r700AsmCode.number_used_registers - 1);
+
+ fp->r700Shader.nParamExports = fp->r700AsmCode.number_of_exports;
+
+ number_of_colors_exported = fp->r700AsmCode.number_of_colorandz_exports;
+
+ unBit = 1 << FRAG_RESULT_DEPTH;
+ if(mesa_fp->Base.OutputsWritten & unBit)
+ {
+ z_enabled = GL_TRUE;
+ number_of_colors_exported--;
+ }
+
+ fp->r700Shader.exportMode = number_of_colors_exported << 1 | z_enabled;
+
+ fp->translated = GL_TRUE;
+
+ return GL_TRUE;
+}
+
+void r700SelectFragmentShader(GLcontext *ctx)
+{
+ context_t *context = R700_CONTEXT(ctx);
+ struct r700_fragment_program *fp = (struct r700_fragment_program *)
+ (ctx->FragmentProgram._Current);
+ if (context->radeon.radeonScreen->chip_family < CHIP_FAMILY_RV770)
+ {
+ fp->r700AsmCode.bR6xx = 1;
+ }
+
+ if (GL_FALSE == fp->translated)
+ r700TranslateFragmentShader(fp, &(fp->mesa_program));
+}
+
+void * r700GetActiveFpShaderBo(GLcontext * ctx)
+{
+ struct r700_fragment_program *fp = (struct r700_fragment_program *)
+ (ctx->FragmentProgram._Current);
+
+ return fp->shaderbo;
+}
+
+GLboolean r700SetupFragmentProgram(GLcontext * ctx)
+{
+ context_t *context = R700_CONTEXT(ctx);
+ R700_CHIP_CONTEXT *r700 = (R700_CHIP_CONTEXT*)(&context->hw);
+ struct r700_fragment_program *fp = (struct r700_fragment_program *)
+ (ctx->FragmentProgram._Current);
+ r700_AssemblerBase *pAsm = &(fp->r700AsmCode);
+ struct gl_fragment_program *mesa_fp = &(fp->mesa_program);
+ struct gl_program_parameter_list *paramList;
+ unsigned int unNumParamData;
+ unsigned int ui, i;
+ unsigned int unNumOfReg;
+ unsigned int unBit;
+ GLuint exportCount;
+
+ if(GL_FALSE == fp->loaded)
+ {
+ if(fp->r700Shader.bNeedsAssembly == GL_TRUE)
+ {
+ Assemble( &(fp->r700Shader) );
+ }
+
+ /* Load fp to gpu */
+ r600EmitShader(ctx,
+ &(fp->shaderbo),
+ (GLvoid *)(fp->r700Shader.pProgram),
+ fp->r700Shader.uShaderBinaryDWORDSize,
+ "FS");
+
+ fp->loaded = GL_TRUE;
+ }
+
+ DumpHwBinary(DUMP_PIXEL_SHADER, (GLvoid *)(fp->r700Shader.pProgram),
+ fp->r700Shader.uShaderBinaryDWORDSize);
+
+ /* TODO : enable this after MemUse fixed *=
+ (context->chipobj.MemUse)(context, fp->shadercode.buf->id);
+ */
+
+ R600_STATECHANGE(context, ps);
+
+ r700->ps.SQ_PGM_RESOURCES_PS.u32All = 0;
+ SETbit(r700->ps.SQ_PGM_RESOURCES_PS.u32All, PGM_RESOURCES__PRIME_CACHE_ON_DRAW_bit);
+
+ r700->ps.SQ_PGM_START_PS.u32All = 0; /* set from buffer obj */
+
+ R600_STATECHANGE(context, spi);
+
+ unNumOfReg = fp->r700Shader.nRegs + 1;
+
+ ui = (r700->SPI_PS_IN_CONTROL_0.u32All & NUM_INTERP_mask) / (1 << NUM_INTERP_shift);
+
+ /* PS uses fragment.position */
+ if (mesa_fp->Base.InputsRead & (1 << FRAG_ATTRIB_WPOS))
+ {
+ ui += 1;
+ SETfield(r700->SPI_PS_IN_CONTROL_0.u32All, ui, NUM_INTERP_shift, NUM_INTERP_mask);
+ SETfield(r700->SPI_PS_IN_CONTROL_0.u32All, CENTERS_ONLY, BARYC_SAMPLE_CNTL_shift, BARYC_SAMPLE_CNTL_mask);
+ SETbit(r700->SPI_PS_IN_CONTROL_0.u32All, POSITION_ENA_bit);
+ SETbit(r700->SPI_INPUT_Z.u32All, PROVIDE_Z_TO_SPI_bit);
+ }
+
+ ui = (unNumOfReg < ui) ? ui : unNumOfReg;
+
+ SETfield(r700->ps.SQ_PGM_RESOURCES_PS.u32All, ui, NUM_GPRS_shift, NUM_GPRS_mask);
+
+ CLEARbit(r700->ps.SQ_PGM_RESOURCES_PS.u32All, UNCACHED_FIRST_INST_bit);
+
+ if(fp->r700Shader.uStackSize) /* we don't use branch for now, it should be zero. */
+ {
+ SETfield(r700->ps.SQ_PGM_RESOURCES_PS.u32All, fp->r700Shader.uStackSize,
+ STACK_SIZE_shift, STACK_SIZE_mask);
+ }
+
+ SETfield(r700->ps.SQ_PGM_EXPORTS_PS.u32All, fp->r700Shader.exportMode,
+ EXPORT_MODE_shift, EXPORT_MODE_mask);
+
+ R600_STATECHANGE(context, db);
+
+ if(fp->r700Shader.killIsUsed)
+ {
+ SETbit(r700->DB_SHADER_CONTROL.u32All, KILL_ENABLE_bit);
+ }
+ else
+ {
+ CLEARbit(r700->DB_SHADER_CONTROL.u32All, KILL_ENABLE_bit);
+ }
+
+ if(fp->r700Shader.depthIsExported)
+ {
+ SETbit(r700->DB_SHADER_CONTROL.u32All, Z_EXPORT_ENABLE_bit);
+ }
+ else
+ {
+ CLEARbit(r700->DB_SHADER_CONTROL.u32All, Z_EXPORT_ENABLE_bit);
+ }
+
+ // emit ps input map
+ unBit = 1 << FRAG_ATTRIB_WPOS;
+ if(mesa_fp->Base.InputsRead & unBit)
+ {
+ ui = pAsm->uiFP_AttributeMap[FRAG_ATTRIB_WPOS];
+ SETbit(r700->SPI_PS_INPUT_CNTL[ui].u32All, SEL_CENTROID_bit);
+ SETfield(r700->SPI_PS_INPUT_CNTL[ui].u32All, ui,
+ SEMANTIC_shift, SEMANTIC_mask);
+ if (r700->SPI_INTERP_CONTROL_0.u32All & FLAT_SHADE_ENA_bit)
+ SETbit(r700->SPI_PS_INPUT_CNTL[ui].u32All, FLAT_SHADE_bit);
+ else
+ CLEARbit(r700->SPI_PS_INPUT_CNTL[ui].u32All, FLAT_SHADE_bit);
+ }
+
+ unBit = 1 << FRAG_ATTRIB_COL0;
+ if(mesa_fp->Base.InputsRead & unBit)
+ {
+ ui = pAsm->uiFP_AttributeMap[FRAG_ATTRIB_COL0];
+ SETbit(r700->SPI_PS_INPUT_CNTL[ui].u32All, SEL_CENTROID_bit);
+ SETfield(r700->SPI_PS_INPUT_CNTL[ui].u32All, ui,
+ SEMANTIC_shift, SEMANTIC_mask);
+ if (r700->SPI_INTERP_CONTROL_0.u32All & FLAT_SHADE_ENA_bit)
+ SETbit(r700->SPI_PS_INPUT_CNTL[ui].u32All, FLAT_SHADE_bit);
+ else
+ CLEARbit(r700->SPI_PS_INPUT_CNTL[ui].u32All, FLAT_SHADE_bit);
+ }
+
+ unBit = 1 << FRAG_ATTRIB_COL1;
+ if(mesa_fp->Base.InputsRead & unBit)
+ {
+ ui = pAsm->uiFP_AttributeMap[FRAG_ATTRIB_COL1];
+ SETbit(r700->SPI_PS_INPUT_CNTL[ui].u32All, SEL_CENTROID_bit);
+ SETfield(r700->SPI_PS_INPUT_CNTL[ui].u32All, ui,
+ SEMANTIC_shift, SEMANTIC_mask);
+ if (r700->SPI_INTERP_CONTROL_0.u32All & FLAT_SHADE_ENA_bit)
+ SETbit(r700->SPI_PS_INPUT_CNTL[ui].u32All, FLAT_SHADE_bit);
+ else
+ CLEARbit(r700->SPI_PS_INPUT_CNTL[ui].u32All, FLAT_SHADE_bit);
+ }
+
+ unBit = 1 << FRAG_ATTRIB_FOGC;
+ if(mesa_fp->Base.InputsRead & unBit)
+ {
+ ui = pAsm->uiFP_AttributeMap[FRAG_ATTRIB_FOGC];
+ SETbit(r700->SPI_PS_INPUT_CNTL[ui].u32All, SEL_CENTROID_bit);
+ SETfield(r700->SPI_PS_INPUT_CNTL[ui].u32All, ui,
+ SEMANTIC_shift, SEMANTIC_mask);
+ if (r700->SPI_INTERP_CONTROL_0.u32All & FLAT_SHADE_ENA_bit)
+ SETbit(r700->SPI_PS_INPUT_CNTL[ui].u32All, FLAT_SHADE_bit);
+ else
+ CLEARbit(r700->SPI_PS_INPUT_CNTL[ui].u32All, FLAT_SHADE_bit);
+ }
+
+ for(i=0; i<8; i++)
+ {
+ unBit = 1 << (FRAG_ATTRIB_TEX0 + i);
+ if(mesa_fp->Base.InputsRead & unBit)
+ {
+ ui = pAsm->uiFP_AttributeMap[FRAG_ATTRIB_TEX0 + i];
+ SETbit(r700->SPI_PS_INPUT_CNTL[ui].u32All, SEL_CENTROID_bit);
+ SETfield(r700->SPI_PS_INPUT_CNTL[ui].u32All, ui,
+ SEMANTIC_shift, SEMANTIC_mask);
+ CLEARbit(r700->SPI_PS_INPUT_CNTL[ui].u32All, FLAT_SHADE_bit);
+ }
+ }
+
+ R600_STATECHANGE(context, cb);
+ exportCount = (r700->ps.SQ_PGM_EXPORTS_PS.u32All & EXPORT_MODE_mask) / (1 << EXPORT_MODE_shift);
+ r700->CB_SHADER_CONTROL.u32All = (1 << exportCount) - 1;
+
+ /* sent out shader constants. */
+ paramList = fp->mesa_program.Base.Parameters;
+
+ if(NULL != paramList) {
+ _mesa_load_state_parameters(ctx, paramList);
+
+ if (paramList->NumParameters > R700_MAX_DX9_CONSTS)
+ return GL_FALSE;
+
+ R600_STATECHANGE(context, ps_consts);
+
+ r700->ps.num_consts = paramList->NumParameters;
+
+ unNumParamData = paramList->NumParameters;
+
+ for(ui=0; ui<unNumParamData; ui++) {
+ r700->ps.consts[ui][0].f32All = paramList->ParameterValues[ui][0];
+ r700->ps.consts[ui][1].f32All = paramList->ParameterValues[ui][1];
+ r700->ps.consts[ui][2].f32All = paramList->ParameterValues[ui][2];
+ r700->ps.consts[ui][3].f32All = paramList->ParameterValues[ui][3];
+ }
+ } else
+ r700->ps.num_consts = 0;
+
+ return GL_TRUE;
+}
+
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