X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Fmesa%2Fshader%2Fprogram.c;h=4623ff60de6b5c5a7fe64f11ec44a314b8fa9cbb;hb=4c5879ff3185e03b3baf0ed2765e06a951b35e9e;hp=9f9d5955eaf5faccc0456c9648a3b46f92d64c83;hpb=bbd287103dad776d8a45c87c4e51fbc26d9b80d5;p=mesa.git

diff --git a/src/mesa/shader/program.c b/src/mesa/shader/program.c
index 9f9d5955eaf..4623ff60de6 100644
--- a/src/mesa/shader/program.c
+++ b/src/mesa/shader/program.c
@@ -33,6 +33,7 @@
 #include "main/context.h"
 #include "main/hash.h"
 #include "program.h"
+#include "prog_cache.h"
 #include "prog_parameter.h"
 #include "prog_instruction.h"
 
@@ -52,12 +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);
@@ -66,6 +80,7 @@ _mesa_init_program(GLcontext *ctx)
       ctx->VertexProgram.TrackMatrix[i] = GL_NONE;
       ctx->VertexProgram.TrackMatrixTransform[i] = GL_IDENTITY_NV;
    }
+   ctx->VertexProgram.Cache = _mesa_new_program_cache();
 #endif
 
 #if FEATURE_NV_fragment_program || FEATURE_ARB_fragment_program
@@ -73,8 +88,10 @@ _mesa_init_program(GLcontext *ctx)
    _mesa_reference_fragprog(ctx, &ctx->FragmentProgram.Current,
                             ctx->Shared->DefaultFragmentProgram);
    assert(ctx->FragmentProgram.Current);
+   ctx->FragmentProgram.Cache = _mesa_new_program_cache();
 #endif
 
+
    /* XXX probably move this stuff */
 #if FEATURE_ATI_fragment_shader
    ctx->ATIFragmentShader.Enabled = GL_FALSE;
@@ -93,9 +110,11 @@ _mesa_free_program_data(GLcontext *ctx)
 {
 #if FEATURE_NV_vertex_program || FEATURE_ARB_vertex_program
    _mesa_reference_vertprog(ctx, &ctx->VertexProgram.Current, NULL);
+   _mesa_delete_program_cache(ctx, ctx->VertexProgram.Cache);
 #endif
 #if FEATURE_NV_fragment_program || FEATURE_ARB_fragment_program
    _mesa_reference_fragprog(ctx, &ctx->FragmentProgram.Current, NULL);
+   _mesa_delete_program_cache(ctx, ctx->FragmentProgram.Cache);
 #endif
    /* XXX probably move this stuff */
 #if FEATURE_ATI_fragment_shader
@@ -277,6 +296,7 @@ _mesa_new_program(GLcontext *ctx, GLenum target, GLuint id)
    struct gl_program *prog;
    switch (target) {
    case GL_VERTEX_PROGRAM_ARB: /* == GL_VERTEX_PROGRAM_NV */
+   case GL_VERTEX_STATE_PROGRAM_NV:
       prog = _mesa_init_vertex_program(ctx, CALLOC_STRUCT(gl_vertex_program),
                                        target, id );
       break;
@@ -362,7 +382,11 @@ _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 */
@@ -507,7 +531,7 @@ _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;
          }
       }
@@ -540,7 +564,6 @@ _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.
@@ -557,7 +580,7 @@ _mesa_delete_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 (inst->BranchTarget > start) {
             inst->BranchTarget -= count;
          }
       }
@@ -677,17 +700,47 @@ _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 "
@@ -696,16 +749,17 @@ _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;
@@ -766,3 +820,63 @@ _mesa_find_free_register(const struct gl_program *prog, GLuint regFile)
 
    return -1;
 }
+
+
+
+/**
+ * "Post-process" a GPU program.  This is intended to be used for debugging.
+ * Example actions include no-op'ing instructions or changing instruction
+ * behaviour.
+ */
+void
+_mesa_postprocess_program(GLcontext *ctx, struct gl_program *prog)
+{
+   static const GLfloat white[4] = { 0.5, 0.5, 0.5, 0.5 };
+   GLuint i;
+   GLuint whiteSwizzle;
+   GLint whiteIndex = _mesa_add_unnamed_constant(prog->Parameters,
+                                                 white, 4, &whiteSwizzle);
+
+   (void) whiteIndex;
+
+   for (i = 0; i < prog->NumInstructions; i++) {
+      struct prog_instruction *inst = prog->Instructions + i;
+      const GLuint n = _mesa_num_inst_src_regs(inst->Opcode);
+
+      (void) n;
+
+      if (_mesa_is_tex_instruction(inst->Opcode)) {
+#if 0
+         /* replace TEX/TXP/TXB with MOV */
+         inst->Opcode = OPCODE_MOV;
+         inst->DstReg.WriteMask = WRITEMASK_XYZW;
+         inst->SrcReg[0].Swizzle = SWIZZLE_XYZW;
+         inst->SrcReg[0].Negate = NEGATE_NONE;
+#endif
+
+#if 0
+         /* disable shadow texture mode */
+         inst->TexShadow = 0;
+#endif
+      }
+
+      if (inst->Opcode == OPCODE_TXP) {
+#if 0
+         inst->Opcode = OPCODE_MOV;
+         inst->DstReg.WriteMask = WRITEMASK_XYZW;
+         inst->SrcReg[0].File = PROGRAM_CONSTANT;
+         inst->SrcReg[0].Index = whiteIndex;
+         inst->SrcReg[0].Swizzle = SWIZZLE_XYZW;
+         inst->SrcReg[0].Negate = NEGATE_NONE;
+#endif
+#if 0
+         inst->TexShadow = 0;
+#endif
+#if 0
+         inst->Opcode = OPCODE_TEX;
+         inst->TexShadow = 0;
+#endif
+      }
+
+   }
+}