diff options
Diffstat (limited to 'src/mesa/shader')
| -rw-r--r-- | src/mesa/shader/arbprogram.c | 13 | ||||
| -rw-r--r-- | src/mesa/shader/nvprogram.c | 2 | ||||
| -rw-r--r-- | src/mesa/shader/prog_optimize.c | 66 | ||||
| -rw-r--r-- | src/mesa/shader/prog_optimize.h | 12 | ||||
| -rw-r--r-- | src/mesa/shader/prog_print.c | 4 | ||||
| -rw-r--r-- | src/mesa/shader/programopt.c | 119 | ||||
| -rw-r--r-- | src/mesa/shader/shader_api.c | 6 |
7 files changed, 186 insertions, 36 deletions
diff --git a/src/mesa/shader/arbprogram.c b/src/mesa/shader/arbprogram.c index 981565ab8f..317d623a22 100644 --- a/src/mesa/shader/arbprogram.c +++ b/src/mesa/shader/arbprogram.c @@ -74,8 +74,6 @@ _mesa_BindProgram(GLenum target, GLuint id) GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); - FLUSH_VERTICES(ctx, _NEW_PROGRAM); - /* Error-check target and get curProg */ if ((target == GL_VERTEX_PROGRAM_ARB) && /* == GL_VERTEX_PROGRAM_NV */ (ctx->Extensions.NV_vertex_program || @@ -132,6 +130,9 @@ _mesa_BindProgram(GLenum target, GLuint id) return; } + /* signal new program (and its new constants) */ + FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS); + /* bind newProg */ if (target == GL_VERTEX_PROGRAM_ARB) { /* == GL_VERTEX_PROGRAM_NV */ _mesa_reference_vertprog(ctx, &ctx->VertexProgram.Current, @@ -489,7 +490,7 @@ _mesa_ProgramEnvParameter4fARB(GLenum target, GLuint index, GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); - FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS); + FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS); if (target == GL_FRAGMENT_PROGRAM_ARB && ctx->Extensions.ARB_fragment_program) { @@ -537,7 +538,7 @@ _mesa_ProgramEnvParameters4fvEXT(GLenum target, GLuint index, GLsizei count, GLfloat * dest; ASSERT_OUTSIDE_BEGIN_END(ctx); - FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS); + FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS); if (count <= 0) { _mesa_error(ctx, GL_INVALID_VALUE, "glProgramEnvParameters4fv(count)"); @@ -631,7 +632,7 @@ _mesa_ProgramLocalParameter4fARB(GLenum target, GLuint index, struct gl_program *prog; ASSERT_OUTSIDE_BEGIN_END(ctx); - FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS); + FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS); if ((target == GL_FRAGMENT_PROGRAM_NV && ctx->Extensions.NV_fragment_program) || @@ -685,7 +686,7 @@ _mesa_ProgramLocalParameters4fvEXT(GLenum target, GLuint index, GLsizei count, GLint i; ASSERT_OUTSIDE_BEGIN_END(ctx); - FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS); + FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS); if (count <= 0) { _mesa_error(ctx, GL_INVALID_VALUE, "glProgramLocalParameters4fv(count)"); diff --git a/src/mesa/shader/nvprogram.c b/src/mesa/shader/nvprogram.c index 5142c2a4a5..8ba521182b 100644 --- a/src/mesa/shader/nvprogram.c +++ b/src/mesa/shader/nvprogram.c @@ -706,7 +706,7 @@ _mesa_ProgramNamedParameter4fNV(GLuint id, GLsizei len, const GLubyte *name, GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); - FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS); + FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS); prog = _mesa_lookup_program(ctx, id); if (!prog || prog->Target != GL_FRAGMENT_PROGRAM_NV) { diff --git a/src/mesa/shader/prog_optimize.c b/src/mesa/shader/prog_optimize.c index 6ba2e76ff9..be903106a0 100644 --- a/src/mesa/shader/prog_optimize.c +++ b/src/mesa/shader/prog_optimize.c @@ -547,15 +547,13 @@ update_interval(GLint intBegin[], GLint intEnd[], GLuint index, GLuint ic) /** - * Find the live intervals for each temporary register in the program. - * For register R, the interval [A,B] indicates that R is referenced - * from instruction A through instruction B. - * Special consideration is needed for loops and subroutines. - * \return GL_TRUE if success, GL_FALSE if we cannot proceed for some reason + * Find first/last instruction that references each temporary register. */ -static GLboolean -find_live_intervals(struct gl_program *prog, - struct interval_list *liveIntervals) +GLboolean +_mesa_find_temp_intervals(const struct prog_instruction *instructions, + GLuint numInstructions, + GLint intBegin[MAX_PROGRAM_TEMPS], + GLint intEnd[MAX_PROGRAM_TEMPS]) { struct loop_info { @@ -563,26 +561,15 @@ find_live_intervals(struct gl_program *prog, }; struct loop_info loopStack[MAX_LOOP_NESTING]; GLuint loopStackDepth = 0; - GLint intBegin[MAX_PROGRAM_TEMPS], intEnd[MAX_PROGRAM_TEMPS]; GLuint i; - /* - * Note: we'll return GL_FALSE below if we find relative indexing - * into the TEMP register file. We can't handle that yet. - * We also give up on subroutines for now. - */ - - if (dbg) { - _mesa_printf("Optimize: Begin find intervals\n"); - } - for (i = 0; i < MAX_PROGRAM_TEMPS; i++){ intBegin[i] = intEnd[i] = -1; } /* Scan instructions looking for temporary registers */ - for (i = 0; i < prog->NumInstructions; i++) { - const struct prog_instruction *inst = prog->Instructions + i; + for (i = 0; i < numInstructions; i++) { + const struct prog_instruction *inst = instructions + i; if (inst->Opcode == OPCODE_BGNLOOP) { loopStack[loopStackDepth].Start = i; loopStack[loopStackDepth].End = inst->BranchTarget; @@ -595,7 +582,7 @@ find_live_intervals(struct gl_program *prog, return GL_FALSE; } else { - const GLuint numSrc = _mesa_num_inst_src_regs(inst->Opcode); + const GLuint numSrc = 3;/*_mesa_num_inst_src_regs(inst->Opcode);*/ GLuint j; for (j = 0; j < numSrc; j++) { if (inst->SrcReg[j].File == PROGRAM_TEMPORARY) { @@ -624,6 +611,39 @@ find_live_intervals(struct gl_program *prog, } } + return GL_TRUE; +} + + +/** + * Find the live intervals for each temporary register in the program. + * For register R, the interval [A,B] indicates that R is referenced + * from instruction A through instruction B. + * Special consideration is needed for loops and subroutines. + * \return GL_TRUE if success, GL_FALSE if we cannot proceed for some reason + */ +static GLboolean +find_live_intervals(struct gl_program *prog, + struct interval_list *liveIntervals) +{ + GLint intBegin[MAX_PROGRAM_TEMPS], intEnd[MAX_PROGRAM_TEMPS]; + GLuint i; + + /* + * Note: we'll return GL_FALSE below if we find relative indexing + * into the TEMP register file. We can't handle that yet. + * We also give up on subroutines for now. + */ + + if (dbg) { + _mesa_printf("Optimize: Begin find intervals\n"); + } + + /* build intermediate arrays */ + if (!_mesa_find_temp_intervals(prog->Instructions, prog->NumInstructions, + intBegin, intEnd)) + return GL_FALSE; + /* Build live intervals list from intermediate arrays */ liveIntervals->Num = 0; for (i = 0; i < MAX_PROGRAM_TEMPS; i++) { @@ -792,8 +812,6 @@ _mesa_reallocate_registers(struct gl_program *prog) } - - /** * Apply optimizations to the given program to eliminate unnecessary * instructions, temp regs, etc. diff --git a/src/mesa/shader/prog_optimize.h b/src/mesa/shader/prog_optimize.h index d102cfd9fc..43894a2723 100644 --- a/src/mesa/shader/prog_optimize.h +++ b/src/mesa/shader/prog_optimize.h @@ -25,7 +25,19 @@ #ifndef PROG_OPT_H #define PROG_OPT_H + +#include "main/config.h" + + struct gl_program; +struct prog_instruction; + + +extern GLboolean +_mesa_find_temp_intervals(const struct prog_instruction *instructions, + GLuint numInstructions, + GLint intBegin[MAX_PROGRAM_TEMPS], + GLint intEnd[MAX_PROGRAM_TEMPS]); extern void _mesa_optimize_program(GLcontext *ctx, struct gl_program *program); diff --git a/src/mesa/shader/prog_print.c b/src/mesa/shader/prog_print.c index 9967f2978d..e6f9a91069 100644 --- a/src/mesa/shader/prog_print.c +++ b/src/mesa/shader/prog_print.c @@ -941,6 +941,10 @@ _mesa_write_shader_to_file(const struct gl_shader *shader) fprintf(f, "/*\n"); _mesa_fprint_program_opt(f, shader->Program, PROG_PRINT_DEBUG, GL_TRUE); fprintf(f, "*/\n"); + fprintf(f, "/* Parameters / constants */\n"); + fprintf(f, "/*\n"); + _mesa_fprint_parameter_list(f, shader->Program->Parameters); + fprintf(f, "*/\n"); } fclose(f); diff --git a/src/mesa/shader/programopt.c b/src/mesa/shader/programopt.c index ecd98dc85c..f70c75cec8 100644 --- a/src/mesa/shader/programopt.c +++ b/src/mesa/shader/programopt.c @@ -45,8 +45,8 @@ * into a vertex program. * May be used to implement the position_invariant option. */ -void -_mesa_insert_mvp_code(GLcontext *ctx, struct gl_vertex_program *vprog) +static void +_mesa_insert_mvp_dp4_code(GLcontext *ctx, struct gl_vertex_program *vprog) { struct prog_instruction *newInst; const GLuint origLen = vprog->Base.NumInstructions; @@ -113,6 +113,121 @@ _mesa_insert_mvp_code(GLcontext *ctx, struct gl_vertex_program *vprog) } +static void +_mesa_insert_mvp_mad_code(GLcontext *ctx, struct gl_vertex_program *vprog) +{ + struct prog_instruction *newInst; + const GLuint origLen = vprog->Base.NumInstructions; + const GLuint newLen = origLen + 4; + GLuint hposTemp; + GLuint i; + + /* + * Setup state references for the modelview/projection matrix. + * XXX we should check if these state vars are already declared. + */ + static const gl_state_index mvpState[4][STATE_LENGTH] = { + { STATE_MVP_MATRIX, 0, 0, 0, STATE_MATRIX_TRANSPOSE }, + { STATE_MVP_MATRIX, 0, 1, 1, STATE_MATRIX_TRANSPOSE }, + { STATE_MVP_MATRIX, 0, 2, 2, STATE_MATRIX_TRANSPOSE }, + { STATE_MVP_MATRIX, 0, 3, 3, STATE_MATRIX_TRANSPOSE }, + }; + GLint mvpRef[4]; + + for (i = 0; i < 4; i++) { + mvpRef[i] = _mesa_add_state_reference(vprog->Base.Parameters, + mvpState[i]); + } + + /* Alloc storage for new instructions */ + newInst = _mesa_alloc_instructions(newLen); + if (!newInst) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, + "glProgramString(inserting position_invariant code)"); + return; + } + + /* TEMP hposTemp; */ + hposTemp = vprog->Base.NumTemporaries++; + + /* + * Generated instructions: + * emit_op2(p, OPCODE_MUL, tmp, 0, swizzle1(src,X), mat[0]); + * emit_op3(p, OPCODE_MAD, tmp, 0, swizzle1(src,Y), mat[1], tmp); + * emit_op3(p, OPCODE_MAD, tmp, 0, swizzle1(src,Z), mat[2], tmp); + * emit_op3(p, OPCODE_MAD, dest, 0, swizzle1(src,W), mat[3], tmp); + */ + _mesa_init_instructions(newInst, 4); + + newInst[0].Opcode = OPCODE_MUL; + newInst[0].DstReg.File = PROGRAM_TEMPORARY; + newInst[0].DstReg.Index = hposTemp; + newInst[0].DstReg.WriteMask = WRITEMASK_XYZW; + newInst[0].SrcReg[0].File = PROGRAM_INPUT; + newInst[0].SrcReg[0].Index = VERT_ATTRIB_POS; + newInst[0].SrcReg[0].Swizzle = SWIZZLE_XXXX; + newInst[0].SrcReg[1].File = PROGRAM_STATE_VAR; + newInst[0].SrcReg[1].Index = mvpRef[0]; + newInst[0].SrcReg[1].Swizzle = SWIZZLE_NOOP; + + for (i = 1; i <= 2; i++) { + newInst[i].Opcode = OPCODE_MAD; + newInst[i].DstReg.File = PROGRAM_TEMPORARY; + newInst[i].DstReg.Index = hposTemp; + newInst[i].DstReg.WriteMask = WRITEMASK_XYZW; + newInst[i].SrcReg[0].File = PROGRAM_INPUT; + newInst[i].SrcReg[0].Index = VERT_ATTRIB_POS; + newInst[i].SrcReg[0].Swizzle = MAKE_SWIZZLE4(i,i,i,i); + newInst[i].SrcReg[1].File = PROGRAM_STATE_VAR; + newInst[i].SrcReg[1].Index = mvpRef[i]; + newInst[i].SrcReg[1].Swizzle = SWIZZLE_NOOP; + newInst[i].SrcReg[2].File = PROGRAM_TEMPORARY; + newInst[i].SrcReg[2].Index = hposTemp; + newInst[1].SrcReg[2].Swizzle = SWIZZLE_NOOP; + } + + newInst[3].Opcode = OPCODE_MAD; + newInst[3].DstReg.File = PROGRAM_OUTPUT; + newInst[3].DstReg.Index = VERT_RESULT_HPOS; + newInst[3].DstReg.WriteMask = WRITEMASK_XYZW; + newInst[3].SrcReg[0].File = PROGRAM_INPUT; + newInst[3].SrcReg[0].Index = VERT_ATTRIB_POS; + newInst[3].SrcReg[0].Swizzle = SWIZZLE_WWWW; + newInst[3].SrcReg[1].File = PROGRAM_STATE_VAR; + newInst[3].SrcReg[1].Index = mvpRef[3]; + newInst[3].SrcReg[1].Swizzle = SWIZZLE_NOOP; + newInst[3].SrcReg[2].File = PROGRAM_TEMPORARY; + newInst[3].SrcReg[2].Index = hposTemp; + newInst[3].SrcReg[2].Swizzle = SWIZZLE_NOOP; + + + /* Append original instructions after new instructions */ + _mesa_copy_instructions (newInst + 4, vprog->Base.Instructions, origLen); + + /* free old instructions */ + _mesa_free_instructions(vprog->Base.Instructions, origLen); + + /* install new instructions */ + vprog->Base.Instructions = newInst; + vprog->Base.NumInstructions = newLen; + vprog->Base.InputsRead |= VERT_BIT_POS; + vprog->Base.OutputsWritten |= (1 << VERT_RESULT_HPOS); +} + + +void +_mesa_insert_mvp_code(GLcontext *ctx, struct gl_vertex_program *vprog) +{ + if (ctx->mvp_with_dp4) + _mesa_insert_mvp_dp4_code( ctx, vprog ); + else + _mesa_insert_mvp_mad_code( ctx, vprog ); +} + + + + + /** * Append extra instructions onto the given fragment program to implement diff --git a/src/mesa/shader/shader_api.c b/src/mesa/shader/shader_api.c index 644cd39185..8f414a0889 100644 --- a/src/mesa/shader/shader_api.c +++ b/src/mesa/shader/shader_api.c @@ -1487,7 +1487,7 @@ _mesa_use_program(GLcontext *ctx, GLuint program) return; } - FLUSH_VERTICES(ctx, _NEW_PROGRAM); + FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS); if (program) { shProg = _mesa_lookup_shader_program_err(ctx, program, "glUseProgram"); @@ -1789,7 +1789,7 @@ _mesa_uniform(GLcontext *ctx, GLint location, GLsizei count, return; } - FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS); + FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS); uniform = &shProg->Uniforms->Uniforms[location]; @@ -1929,7 +1929,7 @@ _mesa_uniform_matrix(GLcontext *ctx, GLint cols, GLint rows, return; } - FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS); + FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS); uniform = &shProg->Uniforms->Uniforms[location]; |