/*
* Mesa 3-D graphics library
- * Version: 6.5
+ * Version: 6.5.3
*
- * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
*/
-#include "glheader.h"
-#include "context.h"
-#include "hash.h"
-#include "imports.h"
-#include "macros.h"
-#include "mtypes.h"
+#include "main/glheader.h"
+#include "main/context.h"
+#include "main/hash.h"
#include "program.h"
-#include "nvfragparse.h"
-#include "program_instruction.h"
-#include "nvvertparse.h"
-#include "atifragshader.h"
+#include "prog_cache.h"
+#include "prog_parameter.h"
+#include "prog_instruction.h"
-static const char *
-make_state_string(const GLint stateTokens[6]);
-
-
-/**********************************************************************/
-/* Utility functions */
-/**********************************************************************/
-
-
-/* A pointer to this dummy program is put into the hash table when
+/**
+ * A pointer to this dummy program is put into the hash table when
* glGenPrograms is called.
*/
-struct program _mesa_DummyProgram;
+struct gl_program _mesa_DummyProgram;
/**
ctx->VertexProgram.Enabled = GL_FALSE;
ctx->VertexProgram.PointSizeEnabled = GL_FALSE;
ctx->VertexProgram.TwoSideEnabled = GL_FALSE;
- ctx->VertexProgram.Current = (struct vertex_program *) ctx->Shared->DefaultVertexProgram;
+ _mesa_reference_vertprog(ctx, &ctx->VertexProgram.Current,
+ ctx->Shared->DefaultVertexProgram);
assert(ctx->VertexProgram.Current);
- ctx->VertexProgram.Current->Base.RefCount++;
for (i = 0; i < MAX_NV_VERTEX_PROGRAM_PARAMS / 4; i++) {
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
ctx->FragmentProgram.Enabled = GL_FALSE;
- ctx->FragmentProgram.Current = (struct fragment_program *) ctx->Shared->DefaultFragmentProgram;
+ _mesa_reference_fragprog(ctx, &ctx->FragmentProgram.Current,
+ ctx->Shared->DefaultFragmentProgram);
assert(ctx->FragmentProgram.Current);
- ctx->FragmentProgram.Current->Base.RefCount++;
+ ctx->FragmentProgram.Cache = _mesa_new_program_cache();
#endif
+
/* 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
void
_mesa_free_program_data(GLcontext *ctx)
{
-#if FEATURE_NV_vertex_program
- if (ctx->VertexProgram.Current) {
- ctx->VertexProgram.Current->Base.RefCount--;
- if (ctx->VertexProgram.Current->Base.RefCount <= 0)
- ctx->Driver.DeleteProgram(ctx, &(ctx->VertexProgram.Current->Base));
- }
+#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
- if (ctx->FragmentProgram.Current) {
- ctx->FragmentProgram.Current->Base.RefCount--;
- if (ctx->FragmentProgram.Current->Base.RefCount <= 0)
- ctx->Driver.DeleteProgram(ctx, &(ctx->FragmentProgram.Current->Base));
- }
+#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
}
-
-
/**
* Set the vertex/fragment program error state (position and error string).
* This is generally called from within the parsers.
/**
* Initialize a new vertex/fragment program object.
*/
-static struct program *
-_mesa_init_program_struct( GLcontext *ctx, struct program *prog,
+static struct gl_program *
+_mesa_init_program_struct( GLcontext *ctx, struct gl_program *prog,
GLenum target, GLuint id)
{
(void) ctx;
if (prog) {
+ GLuint i;
+ _mesa_bzero(prog, sizeof(*prog));
prog->Id = id;
prog->Target = target;
prog->Resident = GL_TRUE;
prog->RefCount = 1;
+ prog->Format = GL_PROGRAM_FORMAT_ASCII_ARB;
+
+ /* default mapping from samplers to texture units */
+ for (i = 0; i < MAX_SAMPLERS; i++)
+ prog->SamplerUnits[i] = i;
}
return prog;
/**
* Initialize a new fragment program object.
*/
-struct program *
-_mesa_init_fragment_program( GLcontext *ctx, struct fragment_program *prog,
+struct gl_program *
+_mesa_init_fragment_program( GLcontext *ctx, struct gl_fragment_program *prog,
GLenum target, GLuint id)
{
if (prog)
/**
* Initialize a new vertex program object.
*/
-struct program *
-_mesa_init_vertex_program( GLcontext *ctx, struct vertex_program *prog,
+struct gl_program *
+_mesa_init_vertex_program( GLcontext *ctx, struct gl_vertex_program *prog,
GLenum target, GLuint id)
{
if (prog)
* \param target program target/type
* \return pointer to new program object
*/
-struct program *
+struct gl_program *
_mesa_new_program(GLcontext *ctx, GLenum target, GLuint id)
{
switch (target) {
case GL_VERTEX_PROGRAM_ARB: /* == GL_VERTEX_PROGRAM_NV */
- return _mesa_init_vertex_program( ctx, CALLOC_STRUCT(vertex_program),
- target, id );
+ return _mesa_init_vertex_program(ctx, CALLOC_STRUCT(gl_vertex_program),
+ target, id );
case GL_FRAGMENT_PROGRAM_NV:
case GL_FRAGMENT_PROGRAM_ARB:
- return _mesa_init_fragment_program( ctx, CALLOC_STRUCT(fragment_program),
- target, id );
+ return _mesa_init_fragment_program(ctx,
+ CALLOC_STRUCT(gl_fragment_program),
+ target, id );
default:
_mesa_problem(ctx, "bad target in _mesa_new_program");
return NULL;
* by a device driver function.
*/
void
-_mesa_delete_program(GLcontext *ctx, struct program *prog)
+_mesa_delete_program(GLcontext *ctx, struct gl_program *prog)
{
(void) ctx;
ASSERT(prog);
+ ASSERT(prog->RefCount==0);
+ if (prog == &_mesa_DummyProgram)
+ return;
+
if (prog->String)
_mesa_free(prog->String);
- if (prog->Instructions) {
- GLuint i;
- for (i = 0; i < prog->NumInstructions; i++) {
- if (prog->Instructions[i].Data)
- _mesa_free(prog->Instructions[i].Data);
- }
- _mesa_free(prog->Instructions);
- }
+ _mesa_free_instructions(prog->Instructions, prog->NumInstructions);
- if (prog->Parameters)
+ if (prog->Parameters) {
_mesa_free_parameter_list(prog->Parameters);
-
- _mesa_free(prog);
-}
-
-
-
-/**********************************************************************/
-/* Program parameter functions */
-/**********************************************************************/
-
-struct program_parameter_list *
-_mesa_new_parameter_list(void)
-{
- return (struct program_parameter_list *)
- _mesa_calloc(sizeof(struct program_parameter_list));
-}
-
-
-/**
- * Free a parameter list and all its parameters
- */
-void
-_mesa_free_parameter_list(struct program_parameter_list *paramList)
-{
- _mesa_free_parameters(paramList);
- _mesa_free(paramList->Parameters);
- if (paramList->ParameterValues)
- ALIGN_FREE(paramList->ParameterValues);
- _mesa_free(paramList);
-}
-
-
-/**
- * Free all the parameters in the given list, but don't free the
- * paramList structure itself.
- */
-void
-_mesa_free_parameters(struct program_parameter_list *paramList)
-{
- GLuint i;
- for (i = 0; i < paramList->NumParameters; i++) {
- if (paramList->Parameters[i].Name)
- _mesa_free((void *) paramList->Parameters[i].Name);
}
- paramList->NumParameters = 0;
-}
-
-
-/**
- * Helper function used by the functions below.
- * \return index of new parameter in the list, or -1 if error (out of mem)
- */
-static GLint
-add_parameter(struct program_parameter_list *paramList,
- const char *name, const GLfloat values[4],
- enum register_file type)
-{
- const GLuint n = paramList->NumParameters;
-
- if (n == paramList->Size) {
- GLfloat (*tmp)[4];
-
- paramList->Size *= 2;
- if (!paramList->Size)
- paramList->Size = 8;
-
- paramList->Parameters = (struct program_parameter *)
- _mesa_realloc(paramList->Parameters,
- n * sizeof(struct program_parameter),
- paramList->Size * sizeof(struct program_parameter));
-
- tmp = paramList->ParameterValues;
- paramList->ParameterValues = ALIGN_MALLOC(paramList->Size * 4 * sizeof(GLfloat), 16);
- if (tmp) {
- _mesa_memcpy(paramList->ParameterValues, tmp,
- n * 4 * sizeof(GLfloat));
- ALIGN_FREE(tmp);
- }
+ if (prog->Varying) {
+ _mesa_free_parameter_list(prog->Varying);
}
-
- if (!paramList->Parameters ||
- !paramList->ParameterValues) {
- /* out of memory */
- paramList->NumParameters = 0;
- paramList->Size = 0;
- return -1;
+ if (prog->Attributes) {
+ _mesa_free_parameter_list(prog->Attributes);
}
- else {
- paramList->NumParameters = n + 1;
- _mesa_memset(¶mList->Parameters[n], 0,
- sizeof(struct program_parameter));
-
- paramList->Parameters[n].Name = name ? _mesa_strdup(name) : NULL;
- paramList->Parameters[n].Type = type;
- if (values)
- COPY_4V(paramList->ParameterValues[n], values);
- return (GLint) n;
+ /* XXX this is a little ugly */
+ if (prog->Target == GL_VERTEX_PROGRAM_ARB) {
+ struct gl_vertex_program *vprog = (struct gl_vertex_program *) prog;
+ if (vprog->TnlData)
+ _mesa_free(vprog->TnlData);
}
-}
-
-/**
- * Add a new named program parameter (Ex: NV_fragment_program DEFINE statement)
- * \return index of the new entry in the parameter list
- */
-GLint
-_mesa_add_named_parameter(struct program_parameter_list *paramList,
- const char *name, const GLfloat values[4])
-{
- return add_parameter(paramList, name, values, PROGRAM_NAMED_PARAM);
-}
-
-
-/**
- * Add a new unnamed constant to the parameter list.
- * \param paramList - the parameter list
- * \param values - four float values
- * \return index of the new parameter.
- */
-GLint
-_mesa_add_named_constant(struct program_parameter_list *paramList,
- const char *name, const GLfloat values[4])
-{
- return add_parameter(paramList, name, values, PROGRAM_CONSTANT);
-}
-
-
-/**
- * Add a new unnamed constant to the parameter list.
- * \param paramList - the parameter list
- * \param values - four float values
- * \return index of the new parameter.
- */
-GLint
-_mesa_add_unnamed_constant(struct program_parameter_list *paramList,
- const GLfloat values[4])
-{
- return add_parameter(paramList, NULL, values, PROGRAM_CONSTANT);
-}
-
-
-/**
- * Add a new state reference to the parameter list.
- * \param paramList - the parameter list
- * \param state - an array of 6 state tokens
- *
- * \return index of the new parameter.
- */
-GLint
-_mesa_add_state_reference(struct program_parameter_list *paramList,
- const GLint *stateTokens)
-{
- /* XXX we should probably search the current parameter list to see if
- * the new state reference is already present.
- */
- GLint index;
- const char *name = make_state_string(stateTokens);
-
- index = add_parameter(paramList, name, NULL, PROGRAM_STATE_VAR);
- if (index >= 0) {
- GLuint i;
- for (i = 0; i < 6; i++)
- paramList->Parameters[index].StateIndexes[i]
- = (enum state_index) stateTokens[i];
- }
-
- return index;
+ _mesa_free(prog);
}
/**
- * Lookup a parameter value by name in the given parameter list.
- * \return pointer to the float[4] values.
+ * Return the gl_program object for a given ID.
+ * Basically just a wrapper for _mesa_HashLookup() to avoid a lot of
+ * casts elsewhere.
*/
-GLfloat *
-_mesa_lookup_parameter_value(struct program_parameter_list *paramList,
- GLsizei nameLen, const char *name)
+struct gl_program *
+_mesa_lookup_program(GLcontext *ctx, GLuint id)
{
- GLuint i;
-
- if (!paramList)
+ if (id)
+ return (struct gl_program *) _mesa_HashLookup(ctx->Shared->Programs, id);
+ else
return NULL;
-
- if (nameLen == -1) {
- /* name is null-terminated */
- for (i = 0; i < paramList->NumParameters; i++) {
- if (paramList->Parameters[i].Name &&
- _mesa_strcmp(paramList->Parameters[i].Name, name) == 0)
- return paramList->ParameterValues[i];
- }
- }
- else {
- /* name is not null-terminated, use nameLen */
- for (i = 0; i < paramList->NumParameters; i++) {
- if (paramList->Parameters[i].Name &&
- _mesa_strncmp(paramList->Parameters[i].Name, name, nameLen) == 0
- && _mesa_strlen(paramList->Parameters[i].Name) == (size_t)nameLen)
- return paramList->ParameterValues[i];
- }
- }
- return NULL;
}
/**
- * Lookup a parameter index by name in the given parameter list.
- * \return index of parameter in the list.
+ * Reference counting for vertex/fragment programs
*/
-GLint
-_mesa_lookup_parameter_index(struct program_parameter_list *paramList,
- GLsizei nameLen, const char *name)
+void
+_mesa_reference_program(GLcontext *ctx,
+ struct gl_program **ptr,
+ struct gl_program *prog)
{
- GLint i;
-
- if (!paramList)
- return -1;
-
- if (nameLen == -1) {
- /* name is null-terminated */
- for (i = 0; i < (GLint) paramList->NumParameters; i++) {
- if (paramList->Parameters[i].Name &&
- _mesa_strcmp(paramList->Parameters[i].Name, name) == 0)
- return i;
- }
+ assert(ptr);
+ if (*ptr && prog) {
+ /* sanity check */
+ ASSERT((*ptr)->Target == prog->Target);
}
- else {
- /* name is not null-terminated, use nameLen */
- for (i = 0; i < (GLint) paramList->NumParameters; i++) {
- if (paramList->Parameters[i].Name &&
- _mesa_strncmp(paramList->Parameters[i].Name, name, nameLen) == 0
- && _mesa_strlen(paramList->Parameters[i].Name) == (size_t)nameLen)
- return i;
- }
+ if (*ptr == prog) {
+ return; /* no change */
}
- return -1;
-}
-
+ if (*ptr) {
+ GLboolean deleteFlag;
-/**
- * Use the list of tokens in the state[] array to find global GL state
- * and return it in <value>. Usually, four values are returned in <value>
- * but matrix queries may return as many as 16 values.
- * This function is used for ARB vertex/fragment programs.
- * The program parser will produce the state[] values.
- */
-static void
-_mesa_fetch_state(GLcontext *ctx, const enum state_index state[],
- GLfloat *value)
-{
- switch (state[0]) {
- case STATE_MATERIAL:
- {
- /* state[1] is either 0=front or 1=back side */
- const GLuint face = (GLuint) state[1];
- /* state[2] is the material attribute */
- switch (state[2]) {
- case STATE_AMBIENT:
- if (face == 0)
- COPY_4V(value, ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_AMBIENT]);
- else
- COPY_4V(value, ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_AMBIENT]);
- return;
- case STATE_DIFFUSE:
- if (face == 0)
- COPY_4V(value, ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_DIFFUSE]);
- else
- COPY_4V(value, ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_DIFFUSE]);
- return;
- case STATE_SPECULAR:
- if (face == 0)
- COPY_4V(value, ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_SPECULAR]);
- else
- COPY_4V(value, ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_SPECULAR]);
- return;
- case STATE_EMISSION:
- if (face == 0)
- COPY_4V(value, ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_EMISSION]);
- else
- COPY_4V(value, ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_EMISSION]);
- return;
- case STATE_SHININESS:
- if (face == 0)
- value[0] = ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_SHININESS][0];
- else
- value[0] = ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_SHININESS][0];
- value[1] = 0.0F;
- value[2] = 0.0F;
- value[3] = 1.0F;
- return;
- default:
- _mesa_problem(ctx, "Invalid material state in fetch_state");
- return;
- }
- }
- case STATE_LIGHT:
- {
- /* state[1] is the light number */
- const GLuint ln = (GLuint) state[1];
- /* state[2] is the light attribute */
- switch (state[2]) {
- case STATE_AMBIENT:
- COPY_4V(value, ctx->Light.Light[ln].Ambient);
- return;
- case STATE_DIFFUSE:
- COPY_4V(value, ctx->Light.Light[ln].Diffuse);
- return;
- case STATE_SPECULAR:
- COPY_4V(value, ctx->Light.Light[ln].Specular);
- return;
- case STATE_POSITION:
- COPY_4V(value, ctx->Light.Light[ln].EyePosition);
- return;
- case STATE_ATTENUATION:
- value[0] = ctx->Light.Light[ln].ConstantAttenuation;
- value[1] = ctx->Light.Light[ln].LinearAttenuation;
- value[2] = ctx->Light.Light[ln].QuadraticAttenuation;
- value[3] = ctx->Light.Light[ln].SpotExponent;
- return;
- case STATE_SPOT_DIRECTION:
- COPY_3V(value, ctx->Light.Light[ln].EyeDirection);
- value[3] = ctx->Light.Light[ln]._CosCutoff;
- return;
- case STATE_HALF:
- {
- GLfloat eye_z[] = {0, 0, 1};
-
- /* Compute infinite half angle vector:
- * half-vector = light_position + (0, 0, 1)
- * and then normalize. w = 0
- *
- * light.EyePosition.w should be 0 for infinite lights.
- */
- ADD_3V(value, eye_z, ctx->Light.Light[ln].EyePosition);
- NORMALIZE_3FV(value);
- value[3] = 0;
- }
- return;
- case STATE_POSITION_NORMALIZED:
- COPY_4V(value, ctx->Light.Light[ln].EyePosition);
- NORMALIZE_3FV( value );
- return;
- default:
- _mesa_problem(ctx, "Invalid light state in fetch_state");
- return;
- }
- }
- case STATE_LIGHTMODEL_AMBIENT:
- COPY_4V(value, ctx->Light.Model.Ambient);
- return;
- case STATE_LIGHTMODEL_SCENECOLOR:
- if (state[1] == 0) {
- /* front */
- GLint i;
- for (i = 0; i < 3; i++) {
- value[i] = ctx->Light.Model.Ambient[i]
- * ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_AMBIENT][i]
- + ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_EMISSION][i];
- }
- value[3] = ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_DIFFUSE][3];
- }
- else {
- /* back */
- GLint i;
- for (i = 0; i < 3; i++) {
- value[i] = ctx->Light.Model.Ambient[i]
- * ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_AMBIENT][i]
- + ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_EMISSION][i];
- }
- value[3] = ctx->Light.Material.Attrib[MAT_ATTRIB_BACK_DIFFUSE][3];
- }
- return;
- case STATE_LIGHTPROD:
- {
- const GLuint ln = (GLuint) state[1];
- const GLuint face = (GLuint) state[2];
- GLint i;
- ASSERT(face == 0 || face == 1);
- switch (state[3]) {
- case STATE_AMBIENT:
- for (i = 0; i < 3; i++) {
- value[i] = ctx->Light.Light[ln].Ambient[i] *
- ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_AMBIENT+face][i];
- }
- /* [3] = material alpha */
- value[3] = ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_DIFFUSE+face][3];
- return;
- case STATE_DIFFUSE:
- for (i = 0; i < 3; i++) {
- value[i] = ctx->Light.Light[ln].Diffuse[i] *
- ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_DIFFUSE+face][i];
- }
- /* [3] = material alpha */
- value[3] = ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_DIFFUSE+face][3];
- return;
- case STATE_SPECULAR:
- for (i = 0; i < 3; i++) {
- value[i] = ctx->Light.Light[ln].Specular[i] *
- ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_SPECULAR+face][i];
- }
- /* [3] = material alpha */
- value[3] = ctx->Light.Material.Attrib[MAT_ATTRIB_FRONT_DIFFUSE+face][3];
- return;
- default:
- _mesa_problem(ctx, "Invalid lightprod state in fetch_state");
- return;
- }
- }
- case STATE_TEXGEN:
- {
- /* state[1] is the texture unit */
- const GLuint unit = (GLuint) state[1];
- /* state[2] is the texgen attribute */
- switch (state[2]) {
- case STATE_TEXGEN_EYE_S:
- COPY_4V(value, ctx->Texture.Unit[unit].EyePlaneS);
- return;
- case STATE_TEXGEN_EYE_T:
- COPY_4V(value, ctx->Texture.Unit[unit].EyePlaneT);
- return;
- case STATE_TEXGEN_EYE_R:
- COPY_4V(value, ctx->Texture.Unit[unit].EyePlaneR);
- return;
- case STATE_TEXGEN_EYE_Q:
- COPY_4V(value, ctx->Texture.Unit[unit].EyePlaneQ);
- return;
- case STATE_TEXGEN_OBJECT_S:
- COPY_4V(value, ctx->Texture.Unit[unit].ObjectPlaneS);
- return;
- case STATE_TEXGEN_OBJECT_T:
- COPY_4V(value, ctx->Texture.Unit[unit].ObjectPlaneT);
- return;
- case STATE_TEXGEN_OBJECT_R:
- COPY_4V(value, ctx->Texture.Unit[unit].ObjectPlaneR);
- return;
- case STATE_TEXGEN_OBJECT_Q:
- COPY_4V(value, ctx->Texture.Unit[unit].ObjectPlaneQ);
- return;
- default:
- _mesa_problem(ctx, "Invalid texgen state in fetch_state");
- return;
- }
- }
- case STATE_TEXENV_COLOR:
- {
- /* state[1] is the texture unit */
- const GLuint unit = (GLuint) state[1];
- COPY_4V(value, ctx->Texture.Unit[unit].EnvColor);
- }
- return;
- case STATE_FOG_COLOR:
- COPY_4V(value, ctx->Fog.Color);
- return;
- case STATE_FOG_PARAMS:
- value[0] = ctx->Fog.Density;
- value[1] = ctx->Fog.Start;
- value[2] = ctx->Fog.End;
- value[3] = 1.0F / (ctx->Fog.End - ctx->Fog.Start);
- return;
- case STATE_CLIPPLANE:
- {
- const GLuint plane = (GLuint) state[1];
- COPY_4V(value, ctx->Transform.EyeUserPlane[plane]);
- }
- return;
- case STATE_POINT_SIZE:
- value[0] = ctx->Point.Size;
- value[1] = ctx->Point.MinSize;
- value[2] = ctx->Point.MaxSize;
- value[3] = ctx->Point.Threshold;
- return;
- case STATE_POINT_ATTENUATION:
- value[0] = ctx->Point.Params[0];
- value[1] = ctx->Point.Params[1];
- value[2] = ctx->Point.Params[2];
- value[3] = 1.0F;
- return;
- case STATE_MATRIX:
- {
- /* state[1] = modelview, projection, texture, etc. */
- /* state[2] = which texture matrix or program matrix */
- /* state[3] = first column to fetch */
- /* state[4] = last column to fetch */
- /* state[5] = transpose, inverse or invtrans */
-
- const GLmatrix *matrix;
- const enum state_index mat = state[1];
- const GLuint index = (GLuint) state[2];
- const GLuint first = (GLuint) state[3];
- const GLuint last = (GLuint) state[4];
- const enum state_index modifier = state[5];
- const GLfloat *m;
- GLuint row, i;
- if (mat == STATE_MODELVIEW) {
- matrix = ctx->ModelviewMatrixStack.Top;
- }
- else if (mat == STATE_PROJECTION) {
- matrix = ctx->ProjectionMatrixStack.Top;
- }
- else if (mat == STATE_MVP) {
- matrix = &ctx->_ModelProjectMatrix;
- }
- else if (mat == STATE_TEXTURE) {
- matrix = ctx->TextureMatrixStack[index].Top;
- }
- else if (mat == STATE_PROGRAM) {
- matrix = ctx->ProgramMatrixStack[index].Top;
- }
- else {
- _mesa_problem(ctx, "Bad matrix name in _mesa_fetch_state()");
- return;
- }
- if (modifier == STATE_MATRIX_INVERSE ||
- modifier == STATE_MATRIX_INVTRANS) {
- /* Be sure inverse is up to date:
- */
- _math_matrix_analyse( (GLmatrix*) matrix );
- m = matrix->inv;
- }
- else {
- m = matrix->m;
- }
- if (modifier == STATE_MATRIX_TRANSPOSE ||
- modifier == STATE_MATRIX_INVTRANS) {
- for (i = 0, row = first; row <= last; row++) {
- value[i++] = m[row * 4 + 0];
- value[i++] = m[row * 4 + 1];
- value[i++] = m[row * 4 + 2];
- value[i++] = m[row * 4 + 3];
- }
- }
- else {
- for (i = 0, row = first; row <= last; row++) {
- value[i++] = m[row + 0];
- value[i++] = m[row + 4];
- value[i++] = m[row + 8];
- value[i++] = m[row + 12];
- }
- }
- }
- return;
- case STATE_DEPTH_RANGE:
- value[0] = ctx->Viewport.Near; /* near */
- value[1] = ctx->Viewport.Far; /* far */
- value[2] = ctx->Viewport.Far - ctx->Viewport.Near; /* far - near */
- value[3] = 0;
- return;
- case STATE_FRAGMENT_PROGRAM:
- {
- /* state[1] = {STATE_ENV, STATE_LOCAL} */
- /* state[2] = parameter index */
- const int idx = (int) state[2];
- switch (state[1]) {
- case STATE_ENV:
- COPY_4V(value, ctx->FragmentProgram.Parameters[idx]);
- break;
- case STATE_LOCAL:
- COPY_4V(value, ctx->FragmentProgram.Current->Base.LocalParams[idx]);
- break;
- default:
- _mesa_problem(ctx, "Bad state switch in _mesa_fetch_state()");
- return;
- }
- }
- return;
-
- case STATE_VERTEX_PROGRAM:
- {
- /* state[1] = {STATE_ENV, STATE_LOCAL} */
- /* state[2] = parameter index */
- const int idx = (int) state[2];
- switch (state[1]) {
- case STATE_ENV:
- COPY_4V(value, ctx->VertexProgram.Parameters[idx]);
- break;
- case STATE_LOCAL:
- COPY_4V(value, ctx->VertexProgram.Current->Base.LocalParams[idx]);
- break;
- default:
- _mesa_problem(ctx, "Bad state switch in _mesa_fetch_state()");
- return;
- }
- }
- return;
+ /*_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);
+#endif
+ ASSERT((*ptr)->RefCount > 0);
+ (*ptr)->RefCount--;
- case STATE_INTERNAL:
- {
- switch (state[1]) {
- case STATE_NORMAL_SCALE:
- ASSIGN_4V(value, ctx->_ModelViewInvScale, 0, 0, 1);
- break;
- default:
- _mesa_problem(ctx, "Bad state switch in _mesa_fetch_state()");
- return;
- }
+ deleteFlag = ((*ptr)->RefCount == 0);
+ /*_glthread_UNLOCK_MUTEX((*ptr)->Mutex);*/
+
+ if (deleteFlag) {
+ ASSERT(ctx);
+ ctx->Driver.DeleteProgram(ctx, *ptr);
}
- return;
- default:
- _mesa_problem(ctx, "Invalid state in _mesa_fetch_state");
- return;
+ *ptr = NULL;
}
-}
-
-static void
-append(char *dst, const char *src)
-{
- while (*dst)
- dst++;
- while (*src)
- *dst++ = *src++;
- *dst = 0;
-}
-
-static void
-append_token(char *dst, enum state_index k)
-{
- switch (k) {
- case STATE_MATERIAL:
- append(dst, "material.");
- break;
- case STATE_LIGHT:
- append(dst, "light");
- break;
- case STATE_LIGHTMODEL_AMBIENT:
- append(dst, "lightmodel.ambient");
- break;
- case STATE_LIGHTMODEL_SCENECOLOR:
- break;
- case STATE_LIGHTPROD:
- append(dst, "lightprod");
- break;
- case STATE_TEXGEN:
- append(dst, "texgen");
- break;
- case STATE_FOG_COLOR:
- append(dst, "fog.color");
- break;
- case STATE_FOG_PARAMS:
- append(dst, "fog.params");
- break;
- case STATE_CLIPPLANE:
- append(dst, "clip");
- break;
- case STATE_POINT_SIZE:
- append(dst, "point.size");
- break;
- case STATE_POINT_ATTENUATION:
- append(dst, "point.attenuation");
- break;
- case STATE_MATRIX:
- append(dst, "matrix.");
- break;
- case STATE_MODELVIEW:
- append(dst, "modelview");
- break;
- case STATE_PROJECTION:
- append(dst, "projection");
- break;
- case STATE_MVP:
- append(dst, "mvp");
- break;
- case STATE_TEXTURE:
- append(dst, "texture");
- break;
- case STATE_PROGRAM:
- append(dst, "program");
- break;
- case STATE_MATRIX_INVERSE:
- append(dst, ".inverse");
- break;
- case STATE_MATRIX_TRANSPOSE:
- append(dst, ".transpose");
- break;
- case STATE_MATRIX_INVTRANS:
- append(dst, ".invtrans");
- break;
- case STATE_AMBIENT:
- append(dst, "ambient");
- break;
- case STATE_DIFFUSE:
- append(dst, "diffuse");
- break;
- case STATE_SPECULAR:
- append(dst, "specular");
- break;
- case STATE_EMISSION:
- append(dst, "emission");
- break;
- case STATE_SHININESS:
- append(dst, "shininess");
- break;
- case STATE_HALF:
- append(dst, "half");
- break;
- case STATE_POSITION:
- append(dst, ".position");
- break;
- case STATE_ATTENUATION:
- append(dst, ".attenuation");
- break;
- case STATE_SPOT_DIRECTION:
- append(dst, ".spot.direction");
- break;
- case STATE_TEXGEN_EYE_S:
- append(dst, "eye.s");
- break;
- case STATE_TEXGEN_EYE_T:
- append(dst, "eye.t");
- break;
- case STATE_TEXGEN_EYE_R:
- append(dst, "eye.r");
- break;
- case STATE_TEXGEN_EYE_Q:
- append(dst, "eye.q");
- break;
- case STATE_TEXGEN_OBJECT_S:
- append(dst, "object.s");
- break;
- case STATE_TEXGEN_OBJECT_T:
- append(dst, "object.t");
- break;
- case STATE_TEXGEN_OBJECT_R:
- append(dst, "object.r");
- break;
- case STATE_TEXGEN_OBJECT_Q:
- append(dst, "object.q");
- break;
- case STATE_TEXENV_COLOR:
- append(dst, "texenv");
- break;
- case STATE_DEPTH_RANGE:
- append(dst, "depth.range");
- break;
- case STATE_VERTEX_PROGRAM:
- case STATE_FRAGMENT_PROGRAM:
- break;
- case STATE_ENV:
- append(dst, "env");
- break;
- case STATE_LOCAL:
- append(dst, "local");
- break;
- case STATE_INTERNAL:
- case STATE_NORMAL_SCALE:
- case STATE_POSITION_NORMALIZED:
- append(dst, "(internal)");
- break;
- default:
- ;
+ assert(!*ptr);
+ if (prog) {
+ /*_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);
+#endif
+ /*_glthread_UNLOCK_MUTEX(prog->Mutex);*/
}
-}
-static void
-append_face(char *dst, GLint face)
-{
- if (face == 0)
- append(dst, "front.");
- else
- append(dst, "back.");
+ *ptr = prog;
}
-static void
-append_index(char *dst, GLint index)
-{
- char s[20];
- _mesa_sprintf(s, "[%d].", index);
- append(dst, s);
-}
/**
- * Make a string from the given state vector.
- * For example, return "state.matrix.texture[2].inverse".
+ * Return a copy of a program.
+ * XXX Problem here if the program object is actually OO-derivation
+ * made by a device driver.
*/
-static const char *
-make_state_string(const GLint state[6])
+struct gl_program *
+_mesa_clone_program(GLcontext *ctx, const struct gl_program *prog)
{
- char str[1000] = "";
- char tmp[30];
+ struct gl_program *clone;
- append(str, "state.");
- append_token(str, state[0]);
+ clone = ctx->Driver.NewProgram(ctx, prog->Target, prog->Id);
+ if (!clone)
+ return NULL;
- switch (state[0]) {
- case STATE_MATERIAL:
- append_face(str, state[1]);
- append_token(str, state[2]);
- break;
- case STATE_LIGHT:
- append(str, "light");
- append_index(str, state[1]); /* light number [i]. */
- append_token(str, state[2]); /* coefficients */
- break;
- case STATE_LIGHTMODEL_AMBIENT:
- append(str, "lightmodel.ambient");
- break;
- case STATE_LIGHTMODEL_SCENECOLOR:
- if (state[1] == 0) {
- append(str, "lightmodel.front.scenecolor");
- }
- else {
- append(str, "lightmodel.back.scenecolor");
+ assert(clone->Target == prog->Target);
+ assert(clone->RefCount == 1);
+
+ clone->String = (GLubyte *) _mesa_strdup((char *) prog->String);
+ clone->Format = prog->Format;
+ clone->Instructions = _mesa_alloc_instructions(prog->NumInstructions);
+ if (!clone->Instructions) {
+ _mesa_reference_program(ctx, &clone, NULL);
+ return NULL;
+ }
+ _mesa_copy_instructions(clone->Instructions, prog->Instructions,
+ prog->NumInstructions);
+ clone->InputsRead = prog->InputsRead;
+ clone->OutputsWritten = prog->OutputsWritten;
+ clone->SamplersUsed = prog->SamplersUsed;
+ memcpy(clone->TexturesUsed, prog->TexturesUsed, sizeof(prog->TexturesUsed));
+
+ if (prog->Parameters)
+ clone->Parameters = _mesa_clone_parameter_list(prog->Parameters);
+ memcpy(clone->LocalParams, prog->LocalParams, sizeof(clone->LocalParams));
+ if (prog->Varying)
+ clone->Varying = _mesa_clone_parameter_list(prog->Varying);
+ if (prog->Attributes)
+ clone->Attributes = _mesa_clone_parameter_list(prog->Attributes);
+ memcpy(clone->LocalParams, prog->LocalParams, sizeof(clone->LocalParams));
+ clone->NumInstructions = prog->NumInstructions;
+ clone->NumTemporaries = prog->NumTemporaries;
+ clone->NumParameters = prog->NumParameters;
+ clone->NumAttributes = prog->NumAttributes;
+ clone->NumAddressRegs = prog->NumAddressRegs;
+ clone->NumNativeInstructions = prog->NumNativeInstructions;
+ clone->NumNativeTemporaries = prog->NumNativeTemporaries;
+ clone->NumNativeParameters = prog->NumNativeParameters;
+ clone->NumNativeAttributes = prog->NumNativeAttributes;
+ clone->NumNativeAddressRegs = prog->NumNativeAddressRegs;
+ clone->NumAluInstructions = prog->NumAluInstructions;
+ clone->NumTexInstructions = prog->NumTexInstructions;
+ clone->NumTexIndirections = prog->NumTexIndirections;
+ clone->NumNativeAluInstructions = prog->NumNativeAluInstructions;
+ clone->NumNativeTexInstructions = prog->NumNativeTexInstructions;
+ clone->NumNativeTexIndirections = prog->NumNativeTexIndirections;
+
+ switch (prog->Target) {
+ case GL_VERTEX_PROGRAM_ARB:
+ {
+ const struct gl_vertex_program *vp
+ = (const struct gl_vertex_program *) prog;
+ struct gl_vertex_program *vpc = (struct gl_vertex_program *) clone;
+ vpc->IsPositionInvariant = vp->IsPositionInvariant;
}
break;
- case STATE_LIGHTPROD:
- append_index(str, state[1]); /* light number [i]. */
- append_face(str, state[2]);
- append_token(str, state[3]);
- break;
- case STATE_TEXGEN:
- append_index(str, state[1]); /* tex unit [i] */
- append_token(str, state[2]); /* plane coef */
- break;
- case STATE_TEXENV_COLOR:
- append_index(str, state[1]); /* tex unit [i] */
- append(str, "color");
- break;
- case STATE_FOG_COLOR:
- case STATE_FOG_PARAMS:
- break;
- case STATE_CLIPPLANE:
- append_index(str, state[1]); /* plane [i] */
- append(str, "plane");
- break;
- case STATE_POINT_SIZE:
- case STATE_POINT_ATTENUATION:
- break;
- case STATE_MATRIX:
+ case GL_FRAGMENT_PROGRAM_ARB:
{
- /* state[1] = modelview, projection, texture, etc. */
- /* state[2] = which texture matrix or program matrix */
- /* state[3] = first column to fetch */
- /* state[4] = last column to fetch */
- /* state[5] = transpose, inverse or invtrans */
- const enum state_index mat = state[1];
- const GLuint index = (GLuint) state[2];
- const GLuint first = (GLuint) state[3];
- const GLuint last = (GLuint) state[4];
- const enum state_index modifier = state[5];
- append_token(str, mat);
- if (index)
- append_index(str, index);
- if (modifier)
- append_token(str, modifier);
- if (first == last)
- _mesa_sprintf(tmp, ".row[%d]", first);
- else
- _mesa_sprintf(tmp, ".row[%d..%d]", first, last);
- append(str, tmp);
+ const struct gl_fragment_program *fp
+ = (const struct gl_fragment_program *) prog;
+ struct gl_fragment_program *fpc = (struct gl_fragment_program *) clone;
+ fpc->FogOption = fp->FogOption;
+ fpc->UsesKill = fp->UsesKill;
}
break;
- case STATE_DEPTH_RANGE:
- break;
- case STATE_FRAGMENT_PROGRAM:
- case STATE_VERTEX_PROGRAM:
- /* state[1] = {STATE_ENV, STATE_LOCAL} */
- /* state[2] = parameter index */
- append_token(str, state[1]);
- append_index(str, state[2]);
- break;
- case STATE_INTERNAL:
- break;
default:
- _mesa_problem(NULL, "Invalid state in maka_state_string");
- break;
+ _mesa_problem(NULL, "Unexpected target in _mesa_clone_program");
}
- return _mesa_strdup(str);
+ return clone;
}
/**
- * Loop over all the parameters in a parameter list. If the parameter
- * is a GL state reference, look up the current value of that state
- * variable and put it into the parameter's Value[4] array.
- * This would be called at glBegin time when using a fragment program.
+ * Insert 'count' NOP instructions at 'start' in the given program.
+ * Adjust branch targets accordingly.
*/
-void
-_mesa_load_state_parameters(GLcontext *ctx,
- struct program_parameter_list *paramList)
+GLboolean
+_mesa_insert_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;
- if (!paramList)
- return;
-
- for (i = 0; i < paramList->NumParameters; i++) {
- if (paramList->Parameters[i].Type == PROGRAM_STATE_VAR) {
- _mesa_fetch_state(ctx,
- paramList->Parameters[i].StateIndexes,
- paramList->ParameterValues[i]);
+ /* adjust branches */
+ for (i = 0; i < prog->NumInstructions; i++) {
+ struct prog_instruction *inst = prog->Instructions + i;
+ if (inst->BranchTarget > 0) {
+ if ((GLuint)inst->BranchTarget >= start) {
+ inst->BranchTarget += count;
+ }
}
}
-}
+ /* Alloc storage for new instructions */
+ newInst = _mesa_alloc_instructions(newLen);
+ if (!newInst) {
+ return GL_FALSE;
+ }
-/**
- * Basic info about each instruction
- */
-struct instruction_info
-{
- enum prog_opcode Opcode;
- const char *Name;
- GLuint NumSrcRegs;
-};
+ /* Copy 'start' instructions into new instruction buffer */
+ _mesa_copy_instructions(newInst, prog->Instructions, start);
-/**
- * Instruction info
- * \note Opcode should equal array index!
- */
-static const struct instruction_info InstInfo[MAX_OPCODE] = {
- { OPCODE_ABS, "ABS", 1 },
- { OPCODE_ADD, "ADD", 2 },
- { OPCODE_ARA, "ARA", 1 },
- { OPCODE_ARL, "ARL", 1 },
- { OPCODE_ARL_NV, "ARL", 1 },
- { OPCODE_ARR, "ARL", 1 },
- { OPCODE_BRA, "BRA", 1 },
- { OPCODE_CAL, "CAL", 1 },
- { OPCODE_CMP, "CMP", 3 },
- { OPCODE_COS, "COS", 1 },
- { OPCODE_DDX, "DDX", 1 },
- { OPCODE_DDY, "DDY", 1 },
- { OPCODE_DP3, "DP3", 2 },
- { OPCODE_DP4, "DP4", 2 },
- { OPCODE_DPH, "DPH", 2 },
- { OPCODE_DST, "DST", 2 },
- { OPCODE_END, "END", 0 },
- { OPCODE_EX2, "EX2", 1 },
- { OPCODE_EXP, "EXP", 1 },
- { OPCODE_FLR, "FLR", 1 },
- { OPCODE_FRC, "FRC", 1 },
- { OPCODE_KIL, "KIL", 1 },
- { OPCODE_KIL_NV, "KIL", 0 },
- { OPCODE_LG2, "LG2", 1 },
- { OPCODE_LIT, "LIT", 1 },
- { OPCODE_LOG, "LOG", 1 },
- { OPCODE_LRP, "LRP", 3 },
- { OPCODE_MAD, "MAD", 3 },
- { OPCODE_MAX, "MAX", 2 },
- { OPCODE_MIN, "MIN", 2 },
- { OPCODE_MOV, "MOV", 1 },
- { OPCODE_MUL, "MUL", 2 },
- { OPCODE_PK2H, "PK2H", 1 },
- { OPCODE_PK2US, "PK2US", 1 },
- { OPCODE_PK4B, "PK4B", 1 },
- { OPCODE_PK4UB, "PK4UB", 1 },
- { OPCODE_POW, "POW", 2 },
- { OPCODE_POPA, "POPA", 0 },
- { OPCODE_PRINT, "PRINT", 1 },
- { OPCODE_PUSHA, "PUSHA", 0 },
- { OPCODE_RCC, "RCC", 1 },
- { OPCODE_RCP, "RCP", 1 },
- { OPCODE_RET, "RET", 1 },
- { OPCODE_RFL, "RFL", 1 },
- { OPCODE_RSQ, "RSQ", 1 },
- { OPCODE_SCS, "SCS", 1 },
- { OPCODE_SEQ, "SEQ", 2 },
- { OPCODE_SFL, "SFL", 0 },
- { OPCODE_SGE, "SGE", 2 },
- { OPCODE_SGT, "SGT", 2 },
- { OPCODE_SIN, "SIN", 1 },
- { OPCODE_SLE, "SLE", 2 },
- { OPCODE_SLT, "SLT", 2 },
- { OPCODE_SNE, "SNE", 2 },
- { OPCODE_SSG, "SSG", 1 },
- { OPCODE_STR, "STR", 0 },
- { OPCODE_SUB, "SUB", 2 },
- { OPCODE_SWZ, "SWZ", 1 },
- { OPCODE_TEX, "TEX", 1 },
- { OPCODE_TXB, "TXB", 1 },
- { OPCODE_TXD, "TXD", 3 },
- { OPCODE_TXL, "TXL", 1 },
- { OPCODE_TXP, "TXP", 1 },
- { OPCODE_TXP_NV, "TXP", 1 },
- { OPCODE_UP2H, "UP2H", 1 },
- { OPCODE_UP2US, "UP2US", 1 },
- { OPCODE_UP4B, "UP4B", 1 },
- { OPCODE_UP4UB, "UP4UB", 1 },
- { OPCODE_X2D, "X2D", 3 },
- { OPCODE_XPD, "XPD", 2 }
-};
+ /* init the new instructions */
+ _mesa_init_instructions(newInst + start, count);
+ /* Copy the remaining/tail instructions to new inst buffer */
+ _mesa_copy_instructions(newInst + start + count,
+ prog->Instructions + start,
+ origLen - start);
-/**
- * Return the number of src registers for the given instruction/opcode.
- */
-GLuint
-_mesa_num_inst_src_regs(enum prog_opcode opcode)
-{
- GLuint i;
-#ifdef DEBUG
- for (i = 0; i < MAX_OPCODE; i++) {
- ASSERT(i == InstInfo[i].Opcode);
- }
-#endif
- for (i = 0; i < MAX_OPCODE; i++) {
- if (InstInfo[i].Opcode == opcode) {
- return InstInfo[i].NumSrcRegs;
- }
- }
- _mesa_problem(NULL, "invalid opcode in _mesa_num_inst_src_regs");
- return 0;
-}
+ /* free old instructions */
+ _mesa_free_instructions(prog->Instructions, origLen);
+ /* install new instructions */
+ prog->Instructions = newInst;
+ prog->NumInstructions = newLen;
-/**
- * Return string name for given program opcode.
- */
-const char *
-_mesa_opcode_string(enum prog_opcode opcode)
-{
- ASSERT(opcode < MAX_OPCODE);
- return InstInfo[opcode].Name;
-}
-
-/**
- * Return string name for given program/register file.
- */
-static const char *
-program_file_string(enum register_file f)
-{
- switch (f) {
- case PROGRAM_TEMPORARY:
- return "TEMP";
- case PROGRAM_LOCAL_PARAM:
- return "LOCAL";
- case PROGRAM_ENV_PARAM:
- return "ENV";
- case PROGRAM_STATE_VAR:
- return "STATE";
- case PROGRAM_INPUT:
- return "INPUT";
- case PROGRAM_OUTPUT:
- return "OUTPUT";
- case PROGRAM_NAMED_PARAM:
- return "NAMED";
- case PROGRAM_CONSTANT:
- return "CONST";
- case PROGRAM_WRITE_ONLY:
- return "WRITE_ONLY";
- case PROGRAM_ADDRESS:
- return "ADDR";
- default:
- return "!unkown!";
- }
+ return GL_TRUE;
}
/**
- * Return a string representation of the given swizzle word.
- * If extended is true, use extended (comma-separated) format.
+ * Search instructions for registers that match (oldFile, oldIndex),
+ * replacing them with (newFile, newIndex).
*/
-static const char *
-swizzle_string(GLuint swizzle, GLuint negateBase, GLboolean extended)
-{
- static const char swz[] = "xyzw01";
- static char s[20];
- GLuint i = 0;
-
- if (!extended && swizzle == SWIZZLE_NOOP && negateBase == 0)
- return ""; /* no swizzle/negation */
-
- if (!extended)
- s[i++] = '.';
-
- if (negateBase & 0x1)
- s[i++] = '-';
- s[i++] = swz[GET_SWZ(swizzle, 0)];
-
- if (extended) {
- s[i++] = ',';
- }
-
- if (negateBase & 0x2)
- s[i++] = '-';
- s[i++] = swz[GET_SWZ(swizzle, 1)];
-
- if (extended) {
- s[i++] = ',';
- }
-
- if (negateBase & 0x4)
- s[i++] = '-';
- s[i++] = swz[GET_SWZ(swizzle, 2)];
-
- if (extended) {
- s[i++] = ',';
- }
-
- if (negateBase & 0x8)
- s[i++] = '-';
- s[i++] = swz[GET_SWZ(swizzle, 3)];
-
- s[i] = 0;
- return s;
-}
-
-
-static const char *
-writemask_string(GLuint writeMask)
-{
- static char s[10];
- GLuint i = 0;
-
- if (writeMask == WRITEMASK_XYZW)
- return "";
-
- s[i++] = '.';
- if (writeMask & WRITEMASK_X)
- s[i++] = 'x';
- if (writeMask & WRITEMASK_Y)
- s[i++] = 'y';
- if (writeMask & WRITEMASK_Z)
- s[i++] = 'z';
- if (writeMask & WRITEMASK_W)
- s[i++] = 'w';
-
- s[i] = 0;
- return s;
-}
-
static void
-print_dst_reg(const struct prog_dst_register *dstReg)
+replace_registers(struct prog_instruction *inst, GLuint numInst,
+ GLuint oldFile, GLuint oldIndex,
+ GLuint newFile, GLuint newIndex)
{
- _mesa_printf(" %s[%d]%s",
- program_file_string(dstReg->File),
- dstReg->Index,
- writemask_string(dstReg->WriteMask));
-}
-
-static void
-print_src_reg(const struct prog_src_register *srcReg)
-{
- _mesa_printf("%s[%d]%s",
- program_file_string(srcReg->File),
- srcReg->Index,
- swizzle_string(srcReg->Swizzle,
- srcReg->NegateBase, GL_FALSE));
+ GLuint i, j;
+ for (i = 0; i < numInst; i++) {
+ /* src regs */
+ for (j = 0; j < _mesa_num_inst_src_regs(inst->Opcode); j++) {
+ if (inst[i].SrcReg[j].File == oldFile &&
+ inst[i].SrcReg[j].Index == oldIndex) {
+ inst[i].SrcReg[j].File = newFile;
+ inst[i].SrcReg[j].Index = newIndex;
+ }
+ }
+ /* dst reg */
+ if (inst[i].DstReg.File == oldFile && inst[i].DstReg.Index == oldIndex) {
+ inst[i].DstReg.File = newFile;
+ inst[i].DstReg.Index = newIndex;
+ }
+ }
}
/**
- * Print a single vertex/fragment program instruction.
+ * Search instructions for references to program parameters. When found,
+ * increment the parameter index by 'offset'.
+ * Used when combining programs.
*/
-void
-_mesa_print_instruction(const struct prog_instruction *inst)
+static void
+adjust_param_indexes(struct prog_instruction *inst, GLuint numInst,
+ GLuint offset)
{
- switch (inst->Opcode) {
- case OPCODE_PRINT:
- _mesa_printf("PRINT '%s'", inst->Data);
- if (inst->SrcReg[0].File != PROGRAM_UNDEFINED) {
- _mesa_printf(", ");
- _mesa_printf("%s[%d]%s",
- program_file_string(inst->SrcReg[0].File),
- inst->SrcReg[0].Index,
- swizzle_string(inst->SrcReg[0].Swizzle,
- inst->SrcReg[0].NegateBase, GL_FALSE));
- }
- _mesa_printf(";\n");
- break;
- case OPCODE_SWZ:
- _mesa_printf("SWZ");
- if (inst->SaturateMode == SATURATE_ZERO_ONE)
- _mesa_printf("_SAT");
- print_dst_reg(&inst->DstReg);
- _mesa_printf("%s[%d], %s;\n",
- program_file_string(inst->SrcReg[0].File),
- inst->SrcReg[0].Index,
- swizzle_string(inst->SrcReg[0].Swizzle,
- inst->SrcReg[0].NegateBase, GL_TRUE));
- break;
- case OPCODE_TEX:
- case OPCODE_TXP:
- case OPCODE_TXB:
- _mesa_printf("%s", _mesa_opcode_string(inst->Opcode));
- if (inst->SaturateMode == SATURATE_ZERO_ONE)
- _mesa_printf("_SAT");
- _mesa_printf(" ");
- print_dst_reg(&inst->DstReg);
- _mesa_printf(", ");
- print_src_reg(&inst->SrcReg[0]);
- _mesa_printf(", texture[%d], ", inst->TexSrcUnit);
- switch (inst->TexSrcTarget) {
- case TEXTURE_1D_INDEX: _mesa_printf("1D"); break;
- case TEXTURE_2D_INDEX: _mesa_printf("2D"); break;
- case TEXTURE_3D_INDEX: _mesa_printf("3D"); break;
- case TEXTURE_CUBE_INDEX: _mesa_printf("CUBE"); break;
- case TEXTURE_RECT_INDEX: _mesa_printf("RECT"); break;
- default:
- ;
- }
- _mesa_printf("\n");
- break;
- case OPCODE_ARL:
- _mesa_printf("ARL addr.x, ");
- print_src_reg(&inst->SrcReg[0]);
- _mesa_printf(";\n");
- break;
- /* XXX may need for other special-case instructions */
- default:
- /* typical alu instruction */
- {
- const GLuint numRegs = _mesa_num_inst_src_regs(inst->Opcode);
- GLuint j;
-
- _mesa_printf("%s", _mesa_opcode_string(inst->Opcode));
-
- /* frag prog only */
- if (inst->SaturateMode == SATURATE_ZERO_ONE)
- _mesa_printf("_SAT");
-
- if (inst->DstReg.File != PROGRAM_UNDEFINED) {
- _mesa_printf(" %s[%d]%s",
- program_file_string(inst->DstReg.File),
- inst->DstReg.Index,
- writemask_string(inst->DstReg.WriteMask));
- }
-
- if (numRegs > 0)
- _mesa_printf(", ");
-
- for (j = 0; j < numRegs; j++) {
- print_src_reg(inst->SrcReg + j);
- if (j + 1 < numRegs)
- _mesa_printf(", ");
+ GLuint i, j;
+ for (i = 0; i < numInst; i++) {
+ for (j = 0; j < _mesa_num_inst_src_regs(inst->Opcode); j++) {
+ GLuint f = inst[i].SrcReg[j].File;
+ if (f == PROGRAM_CONSTANT ||
+ f == PROGRAM_UNIFORM ||
+ f == PROGRAM_STATE_VAR) {
+ inst[i].SrcReg[j].Index += offset;
}
-
- _mesa_printf(";\n");
}
}
}
/**
- * Print a vertx/fragment program to stdout.
- * XXX this function could be greatly improved.
+ * Combine two programs into one. Fix instructions so the outputs of
+ * the first program go to the inputs of the second program.
*/
-void
-_mesa_print_program(const struct program *prog)
+struct gl_program *
+_mesa_combine_programs(GLcontext *ctx,
+ const struct gl_program *progA,
+ const struct gl_program *progB)
{
+ struct prog_instruction *newInst;
+ struct gl_program *newProg;
+ const GLuint lenA = progA->NumInstructions - 1; /* omit END instr */
+ const GLuint lenB = progB->NumInstructions;
+ const GLuint numParamsA = _mesa_num_parameters(progA->Parameters);
+ const GLuint newLength = lenA + lenB;
+ GLbitfield inputsB;
GLuint i;
- for (i = 0; i < prog->NumInstructions; i++) {
- _mesa_printf("%3d: ", i);
- _mesa_print_instruction(prog->Instructions + i);
- }
-}
+ ASSERT(progA->Target == progB->Target);
-/**
- * Print all of a program's parameters.
- */
-void
-_mesa_print_program_parameters(GLcontext *ctx, const struct program *prog)
-{
- GLint i;
-
- _mesa_printf("NumInstructions=%d\n", prog->NumInstructions);
- _mesa_printf("NumTemporaries=%d\n", prog->NumTemporaries);
- _mesa_printf("NumParameters=%d\n", prog->NumParameters);
- _mesa_printf("NumAttributes=%d\n", prog->NumAttributes);
- _mesa_printf("NumAddressRegs=%d\n", prog->NumAddressRegs);
-
- _mesa_load_state_parameters(ctx, prog->Parameters);
-
-#if 0
- _mesa_printf("Local Params:\n");
- for (i = 0; i < MAX_PROGRAM_LOCAL_PARAMS; i++){
- const GLfloat *p = prog->LocalParams[i];
- _mesa_printf("%2d: %f, %f, %f, %f\n", i, p[0], p[1], p[2], p[3]);
- }
-#endif
+ newInst = _mesa_alloc_instructions(newLength);
+ if (!newInst)
+ return GL_FALSE;
- for (i = 0; i < prog->Parameters->NumParameters; i++){
- struct program_parameter *param = prog->Parameters->Parameters + i;
- const GLfloat *v = prog->Parameters->ParameterValues[i];
- _mesa_printf("param[%d] %s = {%.3f, %.3f, %.3f, %.3f};\n",
- i, param->Name, v[0], v[1], v[2], v[3]);
- }
-}
+ _mesa_copy_instructions(newInst, progA->Instructions, lenA);
+ _mesa_copy_instructions(newInst + lenA, progB->Instructions, lenB);
+ /* adjust branch / instruction addresses for B's instructions */
+ for (i = 0; i < lenB; i++) {
+ newInst[lenA + i].BranchTarget += lenA;
+ }
+ newProg = ctx->Driver.NewProgram(ctx, progA->Target, 0);
+ newProg->Instructions = newInst;
+ newProg->NumInstructions = newLength;
-/**********************************************************************/
-/* API functions */
-/**********************************************************************/
+ if (newProg->Target == GL_FRAGMENT_PROGRAM_ARB) {
+ struct gl_fragment_program *fprogA, *fprogB, *newFprog;
+ fprogA = (struct gl_fragment_program *) progA;
+ fprogB = (struct gl_fragment_program *) progB;
+ newFprog = (struct gl_fragment_program *) newProg;
+ newFprog->UsesKill = fprogA->UsesKill || fprogB->UsesKill;
-/**
- * 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 program *prog;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- FLUSH_VERTICES(ctx, _NEW_PROGRAM);
-
- if ((target == GL_VERTEX_PROGRAM_NV
- && ctx->Extensions.NV_vertex_program) ||
- (target == GL_VERTEX_PROGRAM_ARB
- && ctx->Extensions.ARB_vertex_program)) {
- /*** Vertex program binding ***/
- struct vertex_program *curProg = ctx->VertexProgram.Current;
- if (curProg->Base.Id == id) {
- /* binding same program - no change */
- return;
- }
- if (curProg->Base.Id != 0) {
- /* decrement refcount on previously bound vertex program */
- curProg->Base.RefCount--;
- /* and delete if refcount goes below one */
- if (curProg->Base.RefCount <= 0) {
- /* the program ID was already removed from the hash table */
- ctx->Driver.DeleteProgram(ctx, &(curProg->Base));
+ /* 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))) {
+ GLint tempReg = _mesa_find_free_register(newProg, PROGRAM_TEMPORARY);
+ if (tempReg < 0) {
+ _mesa_problem(ctx, "No free temp regs found in "
+ "_mesa_combine_programs(), using 31");
+ tempReg = 31;
}
+ /* replace writes to result.color[0] with tempReg */
+ replace_registers(newInst, lenA,
+ PROGRAM_OUTPUT, FRAG_RESULT_COLR,
+ PROGRAM_TEMPORARY, tempReg);
+ /* replace reads from input.color[0] with tempReg */
+ replace_registers(newInst + lenA, lenB,
+ PROGRAM_INPUT, FRAG_ATTRIB_COL0,
+ PROGRAM_TEMPORARY, tempReg);
}
- }
- else if ((target == GL_FRAGMENT_PROGRAM_NV
- && ctx->Extensions.NV_fragment_program) ||
- (target == GL_FRAGMENT_PROGRAM_ARB
- && ctx->Extensions.ARB_fragment_program)) {
- /*** Fragment program binding ***/
- struct fragment_program *curProg = ctx->FragmentProgram.Current;
- if (curProg->Base.Id == id) {
- /* binding same program - no change */
- return;
- }
- if (curProg->Base.Id != 0) {
- /* decrement refcount on previously bound fragment program */
- curProg->Base.RefCount--;
- /* and delete if refcount goes below one */
- if (curProg->Base.RefCount <= 0) {
- /* the program ID was already removed from the hash table */
- ctx->Driver.DeleteProgram(ctx, &(curProg->Base));
- }
+
+ inputsB = progB->InputsRead;
+ if (progA->OutputsWritten & (1 << FRAG_RESULT_COLR)) {
+ inputsB &= ~(1 << FRAG_ATTRIB_COL0);
}
+ newProg->InputsRead = progA->InputsRead | inputsB;
+ newProg->OutputsWritten = progB->OutputsWritten;
+ newProg->SamplersUsed = progA->SamplersUsed | progB->SamplersUsed;
}
else {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBindProgramNV/ARB(target)");
- return;
+ /* vertex program */
+ assert(0); /* XXX todo */
}
- /* NOTE: binding to a non-existant program is not an error.
- * That's supposed to be caught in glBegin.
+ /*
+ * Merge parameters (uniforms, constants, etc)
*/
- if (id == 0) {
- /* Bind default program */
- prog = NULL;
- if (target == GL_VERTEX_PROGRAM_NV || target == GL_VERTEX_PROGRAM_ARB)
- prog = ctx->Shared->DefaultVertexProgram;
- else
- prog = ctx->Shared->DefaultFragmentProgram;
- }
- else {
- /* Bind user program */
- prog = (struct program *) _mesa_HashLookup(ctx->Shared->Programs, id);
- if (!prog || prog == &_mesa_DummyProgram) {
- /* allocate a new program now */
- prog = ctx->Driver.NewProgram(ctx, target, id);
- if (!prog) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindProgramNV/ARB");
- return;
- }
- _mesa_HashInsert(ctx->Shared->Programs, id, prog);
- }
- else if (prog->Target != target) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBindProgramNV/ARB(target mismatch)");
- return;
- }
- }
-
- /* bind now */
- if (target == GL_VERTEX_PROGRAM_NV || target == GL_VERTEX_PROGRAM_ARB) {
- ctx->VertexProgram.Current = (struct vertex_program *) prog;
- }
- else if (target == GL_FRAGMENT_PROGRAM_NV || target == GL_FRAGMENT_PROGRAM_ARB) {
- ctx->FragmentProgram.Current = (struct fragment_program *) prog;
- }
-
- /* Never null pointers */
- ASSERT(ctx->VertexProgram.Current);
- ASSERT(ctx->FragmentProgram.Current);
-
- if (prog)
- prog->RefCount++;
-
- if (ctx->Driver.BindProgram)
- ctx->Driver.BindProgram(ctx, target, prog);
-}
-
+ newProg->Parameters = _mesa_combine_parameter_lists(progA->Parameters,
+ progB->Parameters);
-/**
- * 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);
+ adjust_param_indexes(newInst + lenA, lenB, numParamsA);
- if (n < 0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glDeleteProgramsNV" );
- return;
- }
- for (i = 0; i < n; i++) {
- if (ids[i] != 0) {
- struct program *prog = (struct program *)
- _mesa_HashLookup(ctx->Shared->Programs, 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_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]);
- prog->RefCount--;
- if (prog->RefCount <= 0) {
- ctx->Driver.DeleteProgram(ctx, prog);
- }
- }
- }
- }
+ return newProg;
}
-/**
- * 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;
- }
-}
/**
- * Determine if id names a vertex or fragment program.
- * \note Not compiled into display lists.
- * \note Called from both glIsProgramNV and glIsProgramARB.
- * \param id is the program identifier
- * \return GL_TRUE if id is a program, else GL_FALSE.
+ * Scan the given program to find a free register of the given type.
+ * \param regFile - PROGRAM_INPUT, PROGRAM_OUTPUT or PROGRAM_TEMPORARY
*/
-GLboolean GLAPIENTRY
-_mesa_IsProgram(GLuint id)
+GLint
+_mesa_find_free_register(const struct gl_program *prog, GLuint regFile)
{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
-
- if (id == 0)
- return GL_FALSE;
-
- if (_mesa_HashLookup(ctx->Shared->Programs, id))
- return GL_TRUE;
- else
- return GL_FALSE;
-}
+ GLboolean used[MAX_PROGRAM_TEMPS];
+ GLuint i, k;
+ assert(regFile == PROGRAM_INPUT ||
+ regFile == PROGRAM_OUTPUT ||
+ regFile == PROGRAM_TEMPORARY);
+ _mesa_memset(used, 0, sizeof(used));
-/**********************************************************************/
-/* GL_MESA_program_debug extension */
-/**********************************************************************/
-
-
-/* XXX temporary */
-GLAPI void GLAPIENTRY
-glProgramCallbackMESA(GLenum target, GLprogramcallbackMESA callback,
- GLvoid *data)
-{
- _mesa_ProgramCallbackMESA(target, callback, data);
-}
-
-
-void
-_mesa_ProgramCallbackMESA(GLenum target, GLprogramcallbackMESA callback,
- GLvoid *data)
-{
- GET_CURRENT_CONTEXT(ctx);
+ for (i = 0; i < prog->NumInstructions; i++) {
+ const struct prog_instruction *inst = prog->Instructions + i;
+ const GLuint n = _mesa_num_inst_src_regs(inst->Opcode);
- switch (target) {
- case GL_FRAGMENT_PROGRAM_ARB:
- if (!ctx->Extensions.ARB_fragment_program) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glProgramCallbackMESA(target)");
- return;
- }
- ctx->FragmentProgram.Callback = callback;
- ctx->FragmentProgram.CallbackData = data;
- break;
- case GL_FRAGMENT_PROGRAM_NV:
- if (!ctx->Extensions.NV_fragment_program) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glProgramCallbackMESA(target)");
- return;
+ for (k = 0; k < n; k++) {
+ if (inst->SrcReg[k].File == regFile) {
+ used[inst->SrcReg[k].Index] = GL_TRUE;
}
- ctx->FragmentProgram.Callback = callback;
- ctx->FragmentProgram.CallbackData = data;
- break;
- case GL_VERTEX_PROGRAM_ARB: /* == GL_VERTEX_PROGRAM_NV */
- if (!ctx->Extensions.ARB_vertex_program &&
- !ctx->Extensions.NV_vertex_program) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glProgramCallbackMESA(target)");
- return;
- }
- ctx->VertexProgram.Callback = callback;
- ctx->VertexProgram.CallbackData = data;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glProgramCallbackMESA(target)");
- return;
- }
-}
-
-
-/* XXX temporary */
-GLAPI void GLAPIENTRY
-glGetProgramRegisterfvMESA(GLenum target,
- GLsizei len, const GLubyte *registerName,
- GLfloat *v)
-{
- _mesa_GetProgramRegisterfvMESA(target, len, registerName, v);
-}
-
-
-void
-_mesa_GetProgramRegisterfvMESA(GLenum target,
- GLsizei len, const GLubyte *registerName,
- GLfloat *v)
-{
- char reg[1000];
- GET_CURRENT_CONTEXT(ctx);
-
- /* We _should_ be inside glBegin/glEnd */
-#if 0
- if (ctx->Driver.CurrentExecPrimitive == PRIM_OUTSIDE_BEGIN_END) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramRegisterfvMESA");
- return;
+ }
}
-#endif
-
- /* make null-terminated copy of registerName */
- len = MIN2((unsigned int) len, sizeof(reg) - 1);
- _mesa_memcpy(reg, registerName, len);
- reg[len] = 0;
-
- switch (target) {
- case GL_VERTEX_PROGRAM_NV:
- if (!ctx->Extensions.ARB_vertex_program &&
- !ctx->Extensions.NV_vertex_program) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetProgramRegisterfvMESA(target)");
- return;
- }
- if (!ctx->VertexProgram._Enabled) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetProgramRegisterfvMESA");
- return;
- }
- /* GL_NV_vertex_program */
- if (reg[0] == 'R') {
- /* Temp register */
- GLint i = _mesa_atoi(reg + 1);
- if (i >= (GLint)ctx->Const.VertexProgram.MaxTemps) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glGetProgramRegisterfvMESA(registerName)");
- return;
- }
- COPY_4V(v, ctx->VertexProgram.Temporaries[i]);
- }
- else if (reg[0] == 'v' && reg[1] == '[') {
- /* Vertex Input attribute */
- GLuint i;
- for (i = 0; i < ctx->Const.VertexProgram.MaxAttribs; i++) {
- const char *name = _mesa_nv_vertex_input_register_name(i);
- char number[10];
- _mesa_sprintf(number, "%d", i);
- if (_mesa_strncmp(reg + 2, name, 4) == 0 ||
- _mesa_strncmp(reg + 2, number, _mesa_strlen(number)) == 0) {
- COPY_4V(v, ctx->VertexProgram.Inputs[i]);
- return;
- }
- }
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glGetProgramRegisterfvMESA(registerName)");
- return;
- }
- else if (reg[0] == 'o' && reg[1] == '[') {
- /* Vertex output attribute */
- }
- /* GL_ARB_vertex_program */
- else if (_mesa_strncmp(reg, "vertex.", 7) == 0) {
- }
- else {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glGetProgramRegisterfvMESA(registerName)");
- return;
- }
- break;
- case GL_FRAGMENT_PROGRAM_ARB:
- if (!ctx->Extensions.ARB_fragment_program) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetProgramRegisterfvMESA(target)");
- return;
- }
- if (!ctx->FragmentProgram._Enabled) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetProgramRegisterfvMESA");
- return;
- }
- /* XXX to do */
- break;
- case GL_FRAGMENT_PROGRAM_NV:
- if (!ctx->Extensions.NV_fragment_program) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetProgramRegisterfvMESA(target)");
- return;
- }
- if (!ctx->FragmentProgram._Enabled) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetProgramRegisterfvMESA");
- return;
- }
- if (reg[0] == 'R') {
- /* Temp register */
- GLint i = _mesa_atoi(reg + 1);
- if (i >= (GLint)ctx->Const.FragmentProgram.MaxTemps) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glGetProgramRegisterfvMESA(registerName)");
- return;
- }
- COPY_4V(v, ctx->FragmentProgram.Machine.Temporaries[i]);
- }
- else if (reg[0] == 'f' && reg[1] == '[') {
- /* Fragment input attribute */
- GLuint i;
- for (i = 0; i < ctx->Const.FragmentProgram.MaxAttribs; i++) {
- const char *name = _mesa_nv_fragment_input_register_name(i);
- if (_mesa_strncmp(reg + 2, name, 4) == 0) {
- COPY_4V(v, ctx->FragmentProgram.Machine.Inputs[i]);
- return;
- }
- }
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glGetProgramRegisterfvMESA(registerName)");
- return;
- }
- else if (_mesa_strcmp(reg, "o[COLR]") == 0) {
- /* Fragment output color */
- COPY_4V(v, ctx->FragmentProgram.Machine.Outputs[FRAG_RESULT_COLR]);
- }
- else if (_mesa_strcmp(reg, "o[COLH]") == 0) {
- /* Fragment output color */
- COPY_4V(v, ctx->FragmentProgram.Machine.Outputs[FRAG_RESULT_COLH]);
- }
- else if (_mesa_strcmp(reg, "o[DEPR]") == 0) {
- /* Fragment output depth */
- COPY_4V(v, ctx->FragmentProgram.Machine.Outputs[FRAG_RESULT_DEPR]);
- }
- else {
- /* try user-defined identifiers */
- const GLfloat *value = _mesa_lookup_parameter_value(
- ctx->FragmentProgram.Current->Base.Parameters, -1, reg);
- if (value) {
- COPY_4V(v, value);
- }
- else {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glGetProgramRegisterfvMESA(registerName)");
- return;
- }
- }
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetProgramRegisterfvMESA(target)");
- return;
+ for (i = 0; i < MAX_PROGRAM_TEMPS; i++) {
+ if (!used[i])
+ return i;
}
+ return -1;
}
projects / mesa.git / blobdiff