diff options
Diffstat (limited to 'src/mesa/shader/nvprogram.c')
-rw-r--r-- | src/mesa/shader/nvprogram.c | 101 |
1 files changed, 100 insertions, 1 deletions
diff --git a/src/mesa/shader/nvprogram.c b/src/mesa/shader/nvprogram.c index d6469b17be..fd6cbb0f40 100644 --- a/src/mesa/shader/nvprogram.c +++ b/src/mesa/shader/nvprogram.c @@ -47,6 +47,7 @@ #include "prog_instruction.h" #include "nvfragparse.h" #include "nvvertparse.h" +#include "arbprogparse.h" #include "nvprogram.h" @@ -509,7 +510,79 @@ _mesa_GetVertexAttribPointervNV(GLuint index, GLenum pname, GLvoid **pointer) *pointer = (GLvoid *) ctx->Array.ArrayObj->VertexAttrib[index].Ptr; } +void +_mesa_emit_nv_temp_initialization(GLcontext *ctx, + struct gl_program *program) +{ + struct prog_instruction *inst; + int i; + + if (!ctx->Shader.EmitNVTempInitialization) + return; + + /* We'll swizzle up a zero temporary so we can use it for the + * ARL. + */ + if (program->NumTemporaries == 0) + program->NumTemporaries = 1; + + _mesa_insert_instructions(program, 0, program->NumTemporaries + 1); + + for (i = 0; i < program->NumTemporaries; i++) { + struct prog_instruction *inst = &program->Instructions[i]; + + inst->Opcode = OPCODE_SWZ; + inst->DstReg.File = PROGRAM_TEMPORARY; + inst->DstReg.Index = i; + inst->DstReg.WriteMask = WRITEMASK_XYZW; + inst->SrcReg[0].File = PROGRAM_TEMPORARY; + inst->SrcReg[0].Index = 0; + inst->SrcReg[0].Swizzle = MAKE_SWIZZLE4(SWIZZLE_ZERO, + SWIZZLE_ZERO, + SWIZZLE_ZERO, + SWIZZLE_ZERO); + } + + inst = &program->Instructions[i]; + inst->Opcode = OPCODE_ARL; + inst->DstReg.File = PROGRAM_ADDRESS; + inst->DstReg.Index = 0; + inst->DstReg.WriteMask = WRITEMASK_XYZW; + inst->SrcReg[0].File = PROGRAM_TEMPORARY; + inst->SrcReg[0].Index = 0; + inst->SrcReg[0].Swizzle = SWIZZLE_XXXX; + + if (program->NumAddressRegs == 0) + program->NumAddressRegs = 1; +} + +void +_mesa_setup_nv_temporary_count(GLcontext *ctx, struct gl_program *program) +{ + int i; + program->NumTemporaries = 0; + for (i = 0; i < program->NumInstructions; i++) { + struct prog_instruction *inst = &program->Instructions[i]; + + if (inst->DstReg.File == PROGRAM_TEMPORARY) { + program->NumTemporaries = MAX2(program->NumTemporaries, + inst->DstReg.Index + 1); + } + if (inst->SrcReg[0].File == PROGRAM_TEMPORARY) { + program->NumTemporaries = MAX2(program->NumTemporaries, + inst->SrcReg[0].Index + 1); + } + if (inst->SrcReg[1].File == PROGRAM_TEMPORARY) { + program->NumTemporaries = MAX2(program->NumTemporaries, + inst->SrcReg[1].Index + 1); + } + if (inst->SrcReg[2].File == PROGRAM_TEMPORARY) { + program->NumTemporaries = MAX2(program->NumTemporaries, + inst->SrcReg[2].Index + 1); + } + } +} /** * Load/parse/compile a program. @@ -523,6 +596,12 @@ _mesa_LoadProgramNV(GLenum target, GLuint id, GLsizei len, GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END(ctx); + if (!ctx->Extensions.NV_vertex_program + && !ctx->Extensions.NV_fragment_program) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glLoadProgramNV()"); + return; + } + if (id == 0) { _mesa_error(ctx, GL_INVALID_VALUE, "glLoadProgramNV(id)"); return; @@ -555,7 +634,13 @@ _mesa_LoadProgramNV(GLenum target, GLuint id, GLsizei len, } _mesa_HashInsert(ctx->Shared->Programs, id, vprog); } - _mesa_parse_nv_vertex_program(ctx, target, program, len, vprog); + + if (ctx->Extensions.ARB_vertex_program + && (strncmp((char *) program, "!!ARB", 5) == 0)) { + _mesa_parse_arb_vertex_program(ctx, target, program, len, vprog); + } else { + _mesa_parse_nv_vertex_program(ctx, target, program, len, vprog); + } } else if (target == GL_FRAGMENT_PROGRAM_NV && ctx->Extensions.NV_fragment_program) { @@ -571,6 +656,20 @@ _mesa_LoadProgramNV(GLenum target, GLuint id, GLsizei len, } _mesa_parse_nv_fragment_program(ctx, target, program, len, fprog); } + else if (target == GL_FRAGMENT_PROGRAM_ARB + && ctx->Extensions.ARB_fragment_program) { + struct gl_fragment_program *fprog = (struct gl_fragment_program *) prog; + if (!fprog || prog == &_mesa_DummyProgram) { + fprog = (struct gl_fragment_program *) + ctx->Driver.NewProgram(ctx, target, id); + if (!fprog) { + _mesa_error(ctx, GL_OUT_OF_MEMORY, "glLoadProgramNV"); + return; + } + _mesa_HashInsert(ctx->Shared->Programs, id, fprog); + } + _mesa_parse_arb_fragment_program(ctx, target, program, len, fprog); + } else { _mesa_error(ctx, GL_INVALID_ENUM, "glLoadProgramNV(target)"); } |