X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fshader%2Fprogram.c;h=2e5632710e475b480aa88e5661eb55b6469b0209;hb=3d4246e22e90ffef5fe0cd935bd54c7f862e82f7;hp=a0817a91ec0ccfaed95f6cb7a2deaec4fcd2d553;hpb=938d9d596324e411fde5312f2bb65b444c502c37;p=mesa.git diff --git a/src/mesa/shader/program.c b/src/mesa/shader/program.c index a0817a91ec0..2e5632710e4 100644 --- a/src/mesa/shader/program.c +++ b/src/mesa/shader/program.c @@ -29,9 +29,9 @@ */ -#include "glheader.h" -#include "context.h" -#include "hash.h" +#include "main/glheader.h" +#include "main/context.h" +#include "main/hash.h" #include "program.h" #include "prog_cache.h" #include "prog_parameter.h" @@ -53,12 +53,25 @@ _mesa_init_program(GLcontext *ctx) { GLuint i; + /* + * If this assertion fails, we need to increase the field + * size for register indexes. + */ + ASSERT(ctx->Const.VertexProgram.MaxUniformComponents / 4 + <= (1 << INST_INDEX_BITS)); + ASSERT(ctx->Const.FragmentProgram.MaxUniformComponents / 4 + <= (1 << INST_INDEX_BITS)); + ctx->Program.ErrorPos = -1; ctx->Program.ErrorString = _mesa_strdup(""); #if FEATURE_NV_vertex_program || FEATURE_ARB_vertex_program ctx->VertexProgram.Enabled = GL_FALSE; +#if FEATURE_es2_glsl + ctx->VertexProgram.PointSizeEnabled = GL_TRUE; +#else ctx->VertexProgram.PointSizeEnabled = GL_FALSE; +#endif ctx->VertexProgram.TwoSideEnabled = GL_FALSE; _mesa_reference_vertprog(ctx, &ctx->VertexProgram.Current, ctx->Shared->DefaultVertexProgram); @@ -82,7 +95,7 @@ _mesa_init_program(GLcontext *ctx) /* XXX probably move this stuff */ #if FEATURE_ATI_fragment_shader ctx->ATIFragmentShader.Enabled = GL_FALSE; - ctx->ATIFragmentShader.Current = (struct ati_fragment_shader *) ctx->Shared->DefaultFragmentShader; + ctx->ATIFragmentShader.Current = ctx->Shared->DefaultFragmentShader; assert(ctx->ATIFragmentShader.Current); ctx->ATIFragmentShader.Current->RefCount++; #endif @@ -116,6 +129,43 @@ _mesa_free_program_data(GLcontext *ctx) } +/** + * Update the default program objects in the given context to reference those + * specified in the shared state and release those referencing the old + * shared state. + */ +void +_mesa_update_default_objects_program(GLcontext *ctx) +{ +#if FEATURE_NV_vertex_program || FEATURE_ARB_vertex_program + _mesa_reference_vertprog(ctx, &ctx->VertexProgram.Current, + (struct gl_vertex_program *) + ctx->Shared->DefaultVertexProgram); + assert(ctx->VertexProgram.Current); +#endif + +#if FEATURE_NV_fragment_program || FEATURE_ARB_fragment_program + _mesa_reference_fragprog(ctx, &ctx->FragmentProgram.Current, + (struct gl_fragment_program *) + ctx->Shared->DefaultFragmentProgram); + assert(ctx->FragmentProgram.Current); +#endif + + /* XXX probably move this stuff */ +#if FEATURE_ATI_fragment_shader + if (ctx->ATIFragmentShader.Current) { + ctx->ATIFragmentShader.Current->RefCount--; + if (ctx->ATIFragmentShader.Current->RefCount <= 0) { + _mesa_free(ctx->ATIFragmentShader.Current); + } + } + ctx->ATIFragmentShader.Current = (struct ati_fragment_shader *) ctx->Shared->DefaultFragmentShader; + assert(ctx->ATIFragmentShader.Current); + ctx->ATIFragmentShader.Current->RefCount++; +#endif +} + + /** * Set the vertex/fragment program error state (position and error string). * This is generally called from within the parsers. @@ -207,7 +257,7 @@ struct gl_program * _mesa_init_fragment_program( GLcontext *ctx, struct gl_fragment_program *prog, GLenum target, GLuint id) { - if (prog) + if (prog) return _mesa_init_program_struct( ctx, &prog->Base, target, id ); else return NULL; @@ -221,7 +271,7 @@ struct gl_program * _mesa_init_vertex_program( GLcontext *ctx, struct gl_vertex_program *prog, GLenum target, GLuint id) { - if (prog) + if (prog) return _mesa_init_program_struct( ctx, &prog->Base, target, id ); else return NULL; @@ -234,7 +284,7 @@ _mesa_init_vertex_program( GLcontext *ctx, struct gl_vertex_program *prog, * ctx->Driver.NewProgram. May be overridden (ie. replaced) by a * device driver function to implement OO deriviation with additional * types not understood by this function. - * + * * \param ctx context * \param id program id/number * \param target program target/type @@ -243,19 +293,23 @@ _mesa_init_vertex_program( GLcontext *ctx, struct gl_vertex_program *prog, struct gl_program * _mesa_new_program(GLcontext *ctx, GLenum target, GLuint id) { + struct gl_program *prog; switch (target) { case GL_VERTEX_PROGRAM_ARB: /* == GL_VERTEX_PROGRAM_NV */ - return _mesa_init_vertex_program(ctx, CALLOC_STRUCT(gl_vertex_program), + prog = _mesa_init_vertex_program(ctx, CALLOC_STRUCT(gl_vertex_program), target, id ); + break; case GL_FRAGMENT_PROGRAM_NV: case GL_FRAGMENT_PROGRAM_ARB: - return _mesa_init_fragment_program(ctx, + prog =_mesa_init_fragment_program(ctx, CALLOC_STRUCT(gl_fragment_program), target, id ); + break; default: _mesa_problem(ctx, "bad target in _mesa_new_program"); - return NULL; + prog = NULL; } + return prog; } @@ -274,7 +328,7 @@ _mesa_delete_program(GLcontext *ctx, struct gl_program *prog) if (prog == &_mesa_DummyProgram) return; - + if (prog->String) _mesa_free(prog->String); @@ -327,7 +381,11 @@ _mesa_reference_program(GLcontext *ctx, assert(ptr); if (*ptr && prog) { /* sanity check */ - ASSERT((*ptr)->Target == prog->Target); + if ((*ptr)->Target == GL_VERTEX_PROGRAM_ARB) + ASSERT(prog->Target == GL_VERTEX_PROGRAM_ARB); + else if ((*ptr)->Target == GL_FRAGMENT_PROGRAM_ARB) + ASSERT(prog->Target == GL_FRAGMENT_PROGRAM_ARB || + prog->Target == GL_FRAGMENT_PROGRAM_NV); } if (*ptr == prog) { return; /* no change */ @@ -337,15 +395,17 @@ _mesa_reference_program(GLcontext *ctx, /*_glthread_LOCK_MUTEX((*ptr)->Mutex);*/ #if 0 - printf("Program %p %u 0x%x Refcount-- to %d\n", - *ptr, (*ptr)->Id, (*ptr)->Target, (*ptr)->RefCount - 1); + printf("Program %p ID=%u Target=%s Refcount-- to %d\n", + *ptr, (*ptr)->Id, + ((*ptr)->Target == GL_VERTEX_PROGRAM_ARB ? "VP" : "FP"), + (*ptr)->RefCount - 1); #endif ASSERT((*ptr)->RefCount > 0); (*ptr)->RefCount--; deleteFlag = ((*ptr)->RefCount == 0); /*_glthread_UNLOCK_MUTEX((*ptr)->Mutex);*/ - + if (deleteFlag) { ASSERT(ctx); ctx->Driver.DeleteProgram(ctx, *ptr); @@ -359,8 +419,10 @@ _mesa_reference_program(GLcontext *ctx, /*_glthread_LOCK_MUTEX(prog->Mutex);*/ prog->RefCount++; #if 0 - printf("Program %p %u 0x%x Refcount++ to %d\n", - prog, prog->Id, prog->Target, prog->RefCount); + printf("Program %p ID=%u Target=%s Refcount++ to %d\n", + prog, prog->Id, + (prog->Target == GL_VERTEX_PROGRAM_ARB ? "VP" : "FP"), + prog->RefCount); #endif /*_glthread_UNLOCK_MUTEX(prog->Mutex);*/ } @@ -398,6 +460,7 @@ _mesa_clone_program(GLcontext *ctx, const struct gl_program *prog) clone->InputsRead = prog->InputsRead; clone->OutputsWritten = prog->OutputsWritten; clone->SamplersUsed = prog->SamplersUsed; + clone->ShadowSamplers = prog->ShadowSamplers; memcpy(clone->TexturesUsed, prog->TexturesUsed, sizeof(prog->TexturesUsed)); if (prog->Parameters) @@ -467,7 +530,7 @@ _mesa_insert_instructions(struct gl_program *prog, GLuint start, GLuint count) for (i = 0; i < prog->NumInstructions; i++) { struct prog_instruction *inst = prog->Instructions + i; if (inst->BranchTarget > 0) { - if (inst->BranchTarget >= start) { + if ((GLuint)inst->BranchTarget >= start) { inst->BranchTarget += count; } } @@ -500,6 +563,52 @@ _mesa_insert_instructions(struct gl_program *prog, GLuint start, GLuint count) return GL_TRUE; } +/** + * Delete 'count' instructions at 'start' in the given program. + * Adjust branch targets accordingly. + */ +GLboolean +_mesa_delete_instructions(struct gl_program *prog, GLuint start, GLuint count) +{ + const GLuint origLen = prog->NumInstructions; + const GLuint newLen = origLen - count; + struct prog_instruction *newInst; + GLuint i; + + /* adjust branches */ + for (i = 0; i < prog->NumInstructions; i++) { + struct prog_instruction *inst = prog->Instructions + i; + if (inst->BranchTarget > 0) { + if (inst->BranchTarget > start) { + inst->BranchTarget -= count; + } + } + } + + /* Alloc storage for new instructions */ + newInst = _mesa_alloc_instructions(newLen); + if (!newInst) { + return GL_FALSE; + } + + /* Copy 'start' instructions into new instruction buffer */ + _mesa_copy_instructions(newInst, prog->Instructions, start); + + /* Copy the remaining/tail instructions to new inst buffer */ + _mesa_copy_instructions(newInst + start, + prog->Instructions + start + count, + newLen - start); + + /* free old instructions */ + _mesa_free_instructions(prog->Instructions, origLen); + + /* install new instructions */ + prog->Instructions = newInst; + prog->NumInstructions = newLen; + + return GL_TRUE; +} + /** * Search instructions for registers that match (oldFile, oldIndex), @@ -590,17 +699,47 @@ _mesa_combine_programs(GLcontext *ctx, if (newProg->Target == GL_FRAGMENT_PROGRAM_ARB) { struct gl_fragment_program *fprogA, *fprogB, *newFprog; + GLbitfield progB_inputsRead = progB->InputsRead; + GLint progB_colorFile, progB_colorIndex; + fprogA = (struct gl_fragment_program *) progA; fprogB = (struct gl_fragment_program *) progB; newFprog = (struct gl_fragment_program *) newProg; newFprog->UsesKill = fprogA->UsesKill || fprogB->UsesKill; + /* We'll do a search and replace for instances + * of progB_colorFile/progB_colorIndex below... + */ + progB_colorFile = PROGRAM_INPUT; + progB_colorIndex = FRAG_ATTRIB_COL0; + + /* + * The fragment program may get color from a state var rather than + * a fragment input (vertex output) if it's constant. + * See the texenvprogram.c code. + * So, search the program's parameter list now to see if the program + * gets color from a state var instead of a conventional fragment + * input register. + */ + for (i = 0; i < progB->Parameters->NumParameters; i++) { + struct gl_program_parameter *p = &progB->Parameters->Parameters[i]; + if (p->Type == PROGRAM_STATE_VAR && + p->StateIndexes[0] == STATE_INTERNAL && + p->StateIndexes[1] == STATE_CURRENT_ATTRIB && + p->StateIndexes[2] == VERT_ATTRIB_COLOR0) { + progB_inputsRead |= FRAG_BIT_COL0; + progB_colorFile = PROGRAM_STATE_VAR; + progB_colorIndex = i; + break; + } + } + /* Connect color outputs of fprogA to color inputs of fprogB, via a * new temporary register. */ - if ((progA->OutputsWritten & (1 << FRAG_RESULT_COLR)) && - (progB->InputsRead & (1 << FRAG_ATTRIB_COL0))) { + if ((progA->OutputsWritten & (1 << FRAG_RESULT_COLOR)) && + (progB_inputsRead & FRAG_BIT_COL0)) { GLint tempReg = _mesa_find_free_register(newProg, PROGRAM_TEMPORARY); if (tempReg < 0) { _mesa_problem(ctx, "No free temp regs found in " @@ -609,16 +748,17 @@ _mesa_combine_programs(GLcontext *ctx, } /* replace writes to result.color[0] with tempReg */ replace_registers(newInst, lenA, - PROGRAM_OUTPUT, FRAG_RESULT_COLR, + PROGRAM_OUTPUT, FRAG_RESULT_COLOR, PROGRAM_TEMPORARY, tempReg); - /* replace reads from input.color[0] with tempReg */ + /* replace reads from the input color with tempReg */ replace_registers(newInst + lenA, lenB, - PROGRAM_INPUT, FRAG_ATTRIB_COL0, - PROGRAM_TEMPORARY, tempReg); + progB_colorFile, progB_colorIndex, /* search for */ + PROGRAM_TEMPORARY, tempReg /* replace with */ ); } - inputsB = progB->InputsRead; - if (progA->OutputsWritten & (1 << FRAG_RESULT_COLR)) { + /* compute combined program's InputsRead */ + inputsB = progB_inputsRead; + if (progA->OutputsWritten & (1 << FRAG_RESULT_COLOR)) { inputsB &= ~(1 << FRAG_ATTRIB_COL0); } newProg->InputsRead = progA->InputsRead | inputsB; @@ -679,210 +819,3 @@ _mesa_find_free_register(const struct gl_program *prog, GLuint regFile) return -1; } - - - -/** - * Mixing ARB and NV vertex/fragment programs can be tricky. - * Note: GL_VERTEX_PROGRAM_ARB == GL_VERTEX_PROGRAM_NV - * but, GL_FRAGMENT_PROGRAM_ARB != GL_FRAGMENT_PROGRAM_NV - * The two different fragment program targets are supposed to be compatible - * to some extent (see GL_ARB_fragment_program spec). - * This function does the compatibility check. - */ -static GLboolean -compatible_program_targets(GLenum t1, GLenum t2) -{ - if (t1 == t2) - return GL_TRUE; - if (t1 == GL_FRAGMENT_PROGRAM_ARB && t2 == GL_FRAGMENT_PROGRAM_NV) - return GL_TRUE; - if (t1 == GL_FRAGMENT_PROGRAM_NV && t2 == GL_FRAGMENT_PROGRAM_ARB) - return GL_TRUE; - return GL_FALSE; -} - - - -/**********************************************************************/ -/* API functions */ -/**********************************************************************/ - - -/** - * Bind a program (make it current) - * \note Called from the GL API dispatcher by both glBindProgramNV - * and glBindProgramARB. - */ -void GLAPIENTRY -_mesa_BindProgram(GLenum target, GLuint id) -{ - struct gl_program *curProg, *newProg; - 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 || - ctx->Extensions.ARB_vertex_program)) { - curProg = &ctx->VertexProgram.Current->Base; - } - else if ((target == GL_FRAGMENT_PROGRAM_NV - && ctx->Extensions.NV_fragment_program) || - (target == GL_FRAGMENT_PROGRAM_ARB - && ctx->Extensions.ARB_fragment_program)) { - curProg = &ctx->FragmentProgram.Current->Base; - } - else { - _mesa_error(ctx, GL_INVALID_ENUM, "glBindProgramNV/ARB(target)"); - return; - } - - /* - * Get pointer to new program to bind. - * NOTE: binding to a non-existant program is not an error. - * That's supposed to be caught in glBegin. - */ - if (id == 0) { - /* Bind a default program */ - newProg = NULL; - if (target == GL_VERTEX_PROGRAM_ARB) /* == GL_VERTEX_PROGRAM_NV */ - newProg = &ctx->Shared->DefaultVertexProgram->Base; - else - newProg = &ctx->Shared->DefaultFragmentProgram->Base; - } - else { - /* Bind a user program */ - newProg = _mesa_lookup_program(ctx, id); - if (!newProg || newProg == &_mesa_DummyProgram) { - /* allocate a new program now */ - newProg = ctx->Driver.NewProgram(ctx, target, id); - if (!newProg) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindProgramNV/ARB"); - return; - } - _mesa_HashInsert(ctx->Shared->Programs, id, newProg); - } - else if (!compatible_program_targets(newProg->Target, target)) { - _mesa_error(ctx, GL_INVALID_OPERATION, - "glBindProgramNV/ARB(target mismatch)"); - return; - } - } - - /** All error checking is complete now **/ - - if (curProg->Id == id) { - /* binding same program - no change */ - return; - } - - /* bind newProg */ - if (target == GL_VERTEX_PROGRAM_ARB) { /* == GL_VERTEX_PROGRAM_NV */ - _mesa_reference_vertprog(ctx, &ctx->VertexProgram.Current, - (struct gl_vertex_program *) newProg); - } - else if (target == GL_FRAGMENT_PROGRAM_NV || - target == GL_FRAGMENT_PROGRAM_ARB) { - _mesa_reference_fragprog(ctx, &ctx->FragmentProgram.Current, - (struct gl_fragment_program *) newProg); - } - - /* Never null pointers */ - ASSERT(ctx->VertexProgram.Current); - ASSERT(ctx->FragmentProgram.Current); - - if (ctx->Driver.BindProgram) - ctx->Driver.BindProgram(ctx, target, newProg); -} - - -/** - * Delete a list of programs. - * \note Not compiled into display lists. - * \note Called by both glDeleteProgramsNV and glDeleteProgramsARB. - */ -void GLAPIENTRY -_mesa_DeletePrograms(GLsizei n, const GLuint *ids) -{ - GLint i; - GET_CURRENT_CONTEXT(ctx); - ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); - - if (n < 0) { - _mesa_error( ctx, GL_INVALID_VALUE, "glDeleteProgramsNV" ); - return; - } - - for (i = 0; i < n; i++) { - if (ids[i] != 0) { - struct gl_program *prog = _mesa_lookup_program(ctx, ids[i]); - if (prog == &_mesa_DummyProgram) { - _mesa_HashRemove(ctx->Shared->Programs, ids[i]); - } - else if (prog) { - /* Unbind program if necessary */ - if (prog->Target == GL_VERTEX_PROGRAM_ARB || /* == GL_VERTEX_PROGRAM_NV */ - prog->Target == GL_VERTEX_STATE_PROGRAM_NV) { - if (ctx->VertexProgram.Current && - ctx->VertexProgram.Current->Base.Id == ids[i]) { - /* unbind this currently bound program */ - _mesa_BindProgram(prog->Target, 0); - } - } - else if (prog->Target == GL_FRAGMENT_PROGRAM_NV || - prog->Target == GL_FRAGMENT_PROGRAM_ARB) { - if (ctx->FragmentProgram.Current && - ctx->FragmentProgram.Current->Base.Id == ids[i]) { - /* unbind this currently bound program */ - _mesa_BindProgram(prog->Target, 0); - } - } - else { - _mesa_problem(ctx, "bad target in glDeleteProgramsNV"); - return; - } - /* The ID is immediately available for re-use now */ - _mesa_HashRemove(ctx->Shared->Programs, ids[i]); - _mesa_reference_program(ctx, &prog, NULL); - } - } - } -} - - -/** - * Generate a list of new program identifiers. - * \note Not compiled into display lists. - * \note Called by both glGenProgramsNV and glGenProgramsARB. - */ -void GLAPIENTRY -_mesa_GenPrograms(GLsizei n, GLuint *ids) -{ - GLuint first; - GLuint i; - GET_CURRENT_CONTEXT(ctx); - ASSERT_OUTSIDE_BEGIN_END(ctx); - - if (n < 0) { - _mesa_error(ctx, GL_INVALID_VALUE, "glGenPrograms"); - return; - } - - if (!ids) - return; - - first = _mesa_HashFindFreeKeyBlock(ctx->Shared->Programs, n); - - /* Insert pointer to dummy program as placeholder */ - for (i = 0; i < (GLuint) n; i++) { - _mesa_HashInsert(ctx->Shared->Programs, first + i, &_mesa_DummyProgram); - } - - /* Return the program names */ - for (i = 0; i < (GLuint) n; i++) { - ids[i] = first + i; - } -}