/*
* Mesa 3-D graphics library
- * Version: 6.1
+ * Version: 6.5.2
*
- * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2006 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 "mtypes.h"
#include "program.h"
#include "nvfragparse.h"
-#include "nvfragprog.h"
+#include "program_instruction.h"
#include "nvvertparse.h"
+#include "atifragshader.h"
+
+
+static const char *
+make_state_string(const GLint stateTokens[6]);
+
+static GLbitfield
+make_state_flags(const GLint state[]);
/**********************************************************************/
/**********************************************************************/
+/* A pointer to this dummy program is put into the hash table when
+ * glGenPrograms is called.
+ */
+struct gl_program _mesa_DummyProgram;
+
+
/**
- * Init context's program state
+ * Init context's vertex/fragment program state
*/
void
_mesa_init_program(GLcontext *ctx)
ctx->VertexProgram.Enabled = GL_FALSE;
ctx->VertexProgram.PointSizeEnabled = GL_FALSE;
ctx->VertexProgram.TwoSideEnabled = GL_FALSE;
- ctx->VertexProgram.Current = (struct vertex_program *) ctx->Shared->DefaultVertexProgram;
+ ctx->VertexProgram.Current = (struct gl_vertex_program *) ctx->Shared->DefaultVertexProgram;
assert(ctx->VertexProgram.Current);
ctx->VertexProgram.Current->Base.RefCount++;
for (i = 0; i < MAX_NV_VERTEX_PROGRAM_PARAMS / 4; i++) {
#if FEATURE_NV_fragment_program || FEATURE_ARB_fragment_program
ctx->FragmentProgram.Enabled = GL_FALSE;
- ctx->FragmentProgram.Current = (struct fragment_program *) ctx->Shared->DefaultFragmentProgram;
+ ctx->FragmentProgram.Current = (struct gl_fragment_program *) ctx->Shared->DefaultFragmentProgram;
assert(ctx->FragmentProgram.Current);
ctx->FragmentProgram.Current->Base.RefCount++;
#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;
+ assert(ctx->ATIFragmentShader.Current);
+ ctx->ATIFragmentShader.Current->RefCount++;
+#endif
+}
+
+
+/**
+ * Free a context's vertex/fragment program state
+ */
+void
+_mesa_free_program_data(GLcontext *ctx)
+{
+#if FEATURE_NV_vertex_program || FEATURE_ARB_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));
+ }
+#endif
+#if FEATURE_NV_fragment_program || FEATURE_ARB_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));
+ }
+#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);
+ }
+ }
+#endif
+ _mesa_free((void *) ctx->Program.ErrorString);
}
+
+
/**
* Set the vertex/fragment program error state (position and error string).
* This is generally called from within the parsers.
}
-static struct program * _mesa_init_program_struct( GLcontext *ctx,
- struct program *prog,
- GLenum target, GLuint id)
+/**
+ * Initialize a new vertex/fragment program object.
+ */
+static struct gl_program *
+_mesa_init_program_struct( GLcontext *ctx, struct gl_program *prog,
+ GLenum target, GLuint id)
{
+ (void) ctx;
if (prog) {
prog->Id = id;
prog->Target = target;
prog->Resident = GL_TRUE;
prog->RefCount = 1;
+ prog->Format = GL_PROGRAM_FORMAT_ASCII_ARB;
}
return prog;
}
-struct program * _mesa_init_fragment_program( GLcontext *ctx,
- struct fragment_program *prog,
- GLenum target, GLuint id)
+
+/**
+ * Initialize a new fragment program object.
+ */
+struct gl_program *
+_mesa_init_fragment_program( GLcontext *ctx, struct gl_fragment_program *prog,
+ GLenum target, GLuint id)
{
if (prog)
return _mesa_init_program_struct( ctx, &prog->Base, target, id );
return NULL;
}
-struct program * _mesa_init_vertex_program( GLcontext *ctx,
- struct vertex_program *prog,
- GLenum target, GLuint id)
+
+/**
+ * Initialize a new vertex program object.
+ */
+struct gl_program *
+_mesa_init_vertex_program( GLcontext *ctx, struct gl_vertex_program *prog,
+ GLenum target, GLuint id)
{
if (prog)
return _mesa_init_program_struct( ctx, &prog->Base, target, id );
* \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);
+ if (prog == &_mesa_DummyProgram)
+ return;
+
if (prog->String)
_mesa_free(prog->String);
- if (prog->Target == GL_VERTEX_PROGRAM_NV ||
- prog->Target == GL_VERTEX_STATE_PROGRAM_NV) {
- struct vertex_program *vprog = (struct vertex_program *) prog;
- if (vprog->Instructions)
- _mesa_free(vprog->Instructions);
- }
- else if (prog->Target == GL_FRAGMENT_PROGRAM_NV ||
- prog->Target == GL_FRAGMENT_PROGRAM_ARB) {
- struct fragment_program *fprog = (struct fragment_program *) prog;
- if (fprog->Instructions)
- _mesa_free(fprog->Instructions);
- if (fprog->Parameters) {
- _mesa_free_parameter_list(fprog->Parameters);
+
+ 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);
+ }
+
+ if (prog->Parameters) {
+ _mesa_free_parameter_list(prog->Parameters);
}
+
+ /* 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);
+ }
+
_mesa_free(prog);
}
+/**
+ * Return the gl_program object for a given ID.
+ * Basically just a wrapper for _mesa_HashLookup() to avoid a lot of
+ * casts elsewhere.
+ */
+struct gl_program *
+_mesa_lookup_program(GLcontext *ctx, GLuint id)
+{
+ if (id)
+ return (struct gl_program *) _mesa_HashLookup(ctx->Shared->Programs, id);
+ else
+ return NULL;
+}
+
/**********************************************************************/
/* Program parameter functions */
/**********************************************************************/
-struct program_parameter_list *
+struct gl_program_parameter_list *
_mesa_new_parameter_list(void)
{
- return (struct program_parameter_list *)
- _mesa_calloc(sizeof(struct program_parameter_list));
+ return (struct gl_program_parameter_list *)
+ _mesa_calloc(sizeof(struct gl_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);
-}
-
-
-/**
- * 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)
+_mesa_free_parameter_list(struct gl_program_parameter_list *paramList)
{
GLuint i;
for (i = 0; i < paramList->NumParameters; i++) {
- _mesa_free((void *) paramList->Parameters[i].Name);
+ if (paramList->Parameters[i].Name)
+ _mesa_free((void *) paramList->Parameters[i].Name);
}
_mesa_free(paramList->Parameters);
- paramList->NumParameters = 0;
- paramList->Parameters = NULL;
+ if (paramList->ParameterValues)
+ _mesa_align_free(paramList->ParameterValues);
+ _mesa_free(paramList);
}
/**
- * Helper function used by the functions below.
+ * Add a new parameter to a parameter list.
+ * \param paramList the list to add the parameter to
+ * \param name the parameter name, will be duplicated/copied!
+ * \param values initial parameter value, 4 GLfloats
+ * \param type type of parameter, such as
+ * \return index of new parameter in the list, or -1 if error (out of mem)
*/
static GLint
-add_parameter(struct program_parameter_list *paramList,
+add_parameter(struct gl_program_parameter_list *paramList,
const char *name, const GLfloat values[4],
- enum parameter_type type)
+ enum register_file type)
{
const GLuint n = paramList->NumParameters;
- paramList->Parameters = (struct program_parameter *)
- _mesa_realloc(paramList->Parameters,
- n * sizeof(struct program_parameter),
- (n + 1) * sizeof(struct program_parameter));
- if (!paramList->Parameters) {
+ if (n == paramList->Size) {
+ /* Need to grow the parameter list array */
+ if (paramList->Size == 0)
+ paramList->Size = 8;
+ else
+ paramList->Size *= 2;
+
+ /* realloc arrays */
+ paramList->Parameters = (struct gl_program_parameter *)
+ _mesa_realloc(paramList->Parameters,
+ n * sizeof(struct gl_program_parameter),
+ paramList->Size * sizeof(struct gl_program_parameter));
+
+ paramList->ParameterValues = (GLfloat (*)[4])
+ _mesa_align_realloc(paramList->ParameterValues, /* old buf */
+ n * 4 * sizeof(GLfloat), /* old size */
+ paramList->Size * 4 *sizeof(GLfloat), /* new sz */
+ 16);
+ }
+
+ if (!paramList->Parameters ||
+ !paramList->ParameterValues) {
/* out of memory */
paramList->NumParameters = 0;
+ paramList->Size = 0;
return -1;
}
else {
paramList->NumParameters = n + 1;
- paramList->Parameters[n].Name = _mesa_strdup(name);
+
+ _mesa_memset(¶mList->Parameters[n], 0,
+ sizeof(struct gl_program_parameter));
+
+ paramList->Parameters[n].Name = name ? _mesa_strdup(name) : NULL;
paramList->Parameters[n].Type = type;
if (values)
- COPY_4V(paramList->Parameters[n].Values, values);
+ COPY_4V(paramList->ParameterValues[n], values);
return (GLint) n;
}
}
* \return index of the new entry in the parameter list
*/
GLint
-_mesa_add_named_parameter(struct program_parameter_list *paramList,
+_mesa_add_named_parameter(struct gl_program_parameter_list *paramList,
const char *name, const GLfloat values[4])
{
- return add_parameter(paramList, name, values, NAMED_PARAMETER);
+ 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.
+ * Add a new named constant to the parameter list.
+ * This will be used when the program contains something like this:
+ * PARAM myVals = { 0, 1, 2, 3 };
+ *
+ * \param paramList the parameter list
+ * \param name the name for the constant
+ * \param values four float values
+ * \return index/position of the new parameter in the parameter list
*/
GLint
-_mesa_add_named_constant(struct program_parameter_list *paramList,
- const char *name, const GLfloat values[4])
+_mesa_add_named_constant(struct gl_program_parameter_list *paramList,
+ const char *name, const GLfloat values[4],
+ GLuint size)
{
- return add_parameter(paramList, name, values, CONSTANT);
+#if 0 /* disable this for now -- we need to save the name! */
+ GLuint pos, swizzle;
+ ASSERT(size == 4); /* XXX future feature */
+ /* check if we already have this constant */
+ if (_mesa_lookup_parameter_constant(paramList, values, 4, &pos, &swizzle)) {
+ return pos;
+ }
+#endif
+ 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.
+ * This will be used when the program contains something like this:
+ * MOV r, { 0, 1, 2, 3 };
+ *
+ * \param paramList the parameter list
+ * \param values four float values
+ * \return index/position of the new parameter in the parameter list.
*/
GLint
-_mesa_add_unnamed_constant(struct program_parameter_list *paramList,
- const GLfloat values[4])
+_mesa_add_unnamed_constant(struct gl_program_parameter_list *paramList,
+ const GLfloat values[4], GLuint size)
{
- /* generate a new dummy name */
- static GLuint n = 0;
- char name[20];
- _mesa_sprintf(name, "constant%d", n);
- n++;
- /* store it */
- return add_parameter(paramList, name, values, CONSTANT);
+ GLuint pos, swizzle;
+ ASSERT(size == 4); /* XXX future feature */
+ /* check if we already have this constant */
+ if (_mesa_lookup_parameter_constant(paramList, values, 4, &pos, &swizzle)) {
+ return pos;
+ }
+ 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
+ * This will be used when the program contains something like this:
+ * PARAM ambient = state.material.front.ambient;
*
+ * \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,
- GLint *stateTokens)
+_mesa_add_state_reference(struct gl_program_parameter_list *paramList,
+ const GLint *stateTokens)
{
- /* XXX Should we parse <stateString> here and produce the parameter's
- * list of STATE_* tokens here, or in the parser?
+ /* XXX we should probably search the current parameter list to see if
+ * the new state reference is already present.
*/
- GLint a, idx;
+ 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];
+ }
+ paramList->StateFlags |= make_state_flags(stateTokens);
+ }
- idx = add_parameter(paramList, "Some State", NULL, STATE);
-
- for (a=0; a<6; a++)
- paramList->Parameters[idx].StateIndexes[a] = (enum state_index) stateTokens[a];
+ /* free name string here since we duplicated it in add_parameter() */
+ _mesa_free((void *) name);
- return idx;
+ return index;
}
* \return pointer to the float[4] values.
*/
GLfloat *
-_mesa_lookup_parameter_value(struct program_parameter_list *paramList,
+_mesa_lookup_parameter_value(const struct gl_program_parameter_list *paramList,
GLsizei nameLen, const char *name)
{
GLuint i;
if (nameLen == -1) {
/* name is null-terminated */
for (i = 0; i < paramList->NumParameters; i++) {
- if (_mesa_strcmp(paramList->Parameters[i].Name, name) == 0)
- return paramList->Parameters[i].Values;
+ 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 (_mesa_strncmp(paramList->Parameters[i].Name, name, nameLen) == 0
+ 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->Parameters[i].Values;
+ return paramList->ParameterValues[i];
}
}
return NULL;
/**
- * Lookup a parameter index by name in the given parameter list.
+ * Given a program parameter name, find its position in the list of parameters.
+ * \param paramList the parameter list to search
+ * \param nameLen length of name (in chars).
+ * If length is negative, assume that name is null-terminated.
+ * \param name the name to search for
* \return index of parameter in the list.
*/
GLint
-_mesa_lookup_parameter_index(struct program_parameter_list *paramList,
+_mesa_lookup_parameter_index(const struct gl_program_parameter_list *paramList,
GLsizei nameLen, const char *name)
{
GLint i;
if (nameLen == -1) {
/* name is null-terminated */
for (i = 0; i < (GLint) paramList->NumParameters; i++) {
- if (_mesa_strcmp(paramList->Parameters[i].Name, name) == 0)
+ if (paramList->Parameters[i].Name &&
+ _mesa_strcmp(paramList->Parameters[i].Name, name) == 0)
return i;
}
}
else {
/* name is not null-terminated, use nameLen */
for (i = 0; i < (GLint) paramList->NumParameters; i++) {
- if (_mesa_strncmp(paramList->Parameters[i].Name, name, nameLen) == 0
+ 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;
}
}
+/**
+ * Look for a float vector in the given parameter list. The float vector
+ * may be of length 1, 2, 3 or 4.
+ * \param paramList the parameter list to search
+ * \param v the float vector to search for
+ * \param size number of element in v
+ * \param posOut returns the position of the constant, if found
+ * \param swizzleOut returns a swizzle mask describing location of the
+ * vector elements if found
+ * \return GL_TRUE if found, GL_FALSE if not found
+ */
+GLboolean
+_mesa_lookup_parameter_constant(const struct gl_program_parameter_list *paramList,
+ const GLfloat v[], GLsizei vSize,
+ GLuint *posOut, GLuint *swizzleOut)
+{
+ GLuint i;
+
+ assert(vSize >= 1);
+ assert(vSize <= 4);
+
+ if (!paramList)
+ return -1;
+
+ for (i = 0; i < paramList->NumParameters; i++) {
+ if (paramList->Parameters[i].Type == PROGRAM_CONSTANT) {
+ const GLint maxShift = 4 - vSize;
+ GLint shift, j;
+ for (shift = 0; shift <= maxShift; shift++) {
+ GLint matched = 0;
+ GLuint swizzle[4];
+ swizzle[0] = swizzle[1] = swizzle[2] = swizzle[3] = 0;
+ /* XXX we could do out-of-order swizzle matches too, someday */
+ for (j = 0; j < vSize; j++) {
+ assert(shift + j < 4);
+ if (paramList->ParameterValues[i][shift + j] == v[j]) {
+ matched++;
+ swizzle[j] = shift + j;
+ }
+ }
+ if (matched == vSize) {
+ /* found! */
+ *posOut = i;
+ *swizzleOut = MAKE_SWIZZLE4(swizzle[0], swizzle[1],
+ swizzle[2], swizzle[3]);
+ return GL_TRUE;
+ }
+ }
+ }
+ }
+
+ return GL_FALSE;
+}
+
+
/**
* 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>
{
/* state[1] is either 0=front or 1=back side */
const GLuint face = (GLuint) state[1];
+ const struct gl_material *mat = &ctx->Light.Material;
+ ASSERT(face == 0 || face == 1);
+ /* we rely on tokens numbered so that _BACK_ == _FRONT_+ 1 */
+ ASSERT(MAT_ATTRIB_FRONT_AMBIENT + 1 == MAT_ATTRIB_BACK_AMBIENT);
+ /* XXX we could get rid of this switch entirely with a little
+ * work in arbprogparse.c's parse_state_single_item().
+ */
/* 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]);
+ COPY_4V(value, mat->Attrib[MAT_ATTRIB_FRONT_AMBIENT + face]);
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]);
+ COPY_4V(value, mat->Attrib[MAT_ATTRIB_FRONT_DIFFUSE + face]);
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]);
+ COPY_4V(value, mat->Attrib[MAT_ATTRIB_FRONT_SPECULAR + face]);
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]);
+ COPY_4V(value, mat->Attrib[MAT_ATTRIB_FRONT_EMISSION + face]);
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[0] = mat->Attrib[MAT_ATTRIB_FRONT_SHININESS + face][0];
value[1] = 0.0F;
value[2] = 0.0F;
value[3] = 1.0F;
_mesa_problem(ctx, "Invalid material state in fetch_state");
return;
}
- };
- return;
+ }
case STATE_LIGHT:
{
/* state[1] is the light number */
value[3] = ctx->Light.Light[ln].SpotExponent;
return;
case STATE_SPOT_DIRECTION:
- COPY_4V(value, ctx->Light.Light[ln].EyeDirection);
+ COPY_3V(value, ctx->Light.Light[ln].EyeDirection);
+ value[3] = ctx->Light.Light[ln]._CosCutoff;
return;
case STATE_HALF:
{
/* 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.
+ *
+ * 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;
+ 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;
}
}
- return;
case STATE_LIGHTMODEL_AMBIENT:
COPY_4V(value, ctx->Light.Model.Ambient);
return;
if (state[1] == 0) {
/* front */
GLint i;
- for (i = 0; i < 4; 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 < 4; 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:
return;
}
}
- return;
case STATE_TEXGEN:
{
/* state[1] is the texture unit */
return;
}
}
- return;
case STATE_TEXENV_COLOR:
{
/* state[1] is the texture unit */
}
if (modifier == STATE_MATRIX_INVERSE ||
modifier == STATE_MATRIX_INVTRANS) {
- /* XXX be sure inverse is up to date */
+ /* Be sure inverse is up to date:
+ */
+ _math_matrix_alloc_inv( (GLmatrix *) matrix );
+ _math_matrix_analyse( (GLmatrix*) matrix );
m = matrix->inv;
}
else {
}
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;
+ 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 */
- int idx = state[2];
-
+ const int idx = (int) state[2];
switch (state[1]) {
case STATE_ENV:
- COPY_4V(value, ctx->FragmentProgram.Parameters[idx]);
+ COPY_4V(value, ctx->FragmentProgram.Parameters[idx]);
break;
-
case STATE_LOCAL:
COPY_4V(value, ctx->FragmentProgram.Current->Base.LocalParams[idx]);
- break;
+ 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 */
- int idx = state[2];
-
+ const int idx = (int) state[2];
switch (state[1]) {
case STATE_ENV:
- COPY_4V(value, ctx->VertexProgram.Parameters[idx]);
+ COPY_4V(value, ctx->VertexProgram.Parameters[idx]);
break;
-
case STATE_LOCAL:
COPY_4V(value, ctx->VertexProgram.Current->Base.LocalParams[idx]);
- break;
+ break;
default:
_mesa_problem(ctx, "Bad state switch in _mesa_fetch_state()");
return;
- }
- }
+ }
+ }
+ return;
+
+ case STATE_INTERNAL:
+ {
+ switch (state[1]) {
+ case STATE_NORMAL_SCALE:
+ ASSIGN_4V(value, ctx->_ModelViewInvScale, 0, 0, 1);
+ break;
+ case STATE_TEXRECT_SCALE: {
+ const int unit = (int) state[2];
+ const struct gl_texture_object *texObj = ctx->Texture.Unit[unit]._Current;
+ if (texObj) {
+ struct gl_texture_image *texImage = texObj->Image[0][0];
+ ASSIGN_4V(value, 1.0 / texImage->Width, 1.0 / texImage->Height, 0, 1);
+ }
+ break;
+ }
+ default:
+ /* unknown state indexes are silently ignored
+ * should be handled by the driver.
+ */
+ return;
+ }
+ }
return;
+
default:
- _mesa_problem(ctx, "Invalid state in fetch_state");
+ _mesa_problem(ctx, "Invalid state in _mesa_fetch_state");
return;
}
}
+/**
+ * Return a bitmask of the Mesa state flags (_NEW_* values) which would
+ * indicate that the given context state may have changed.
+ * The bitmask is used during validation to determine if we need to update
+ * vertex/fragment program parameters (like "state.material.color") when
+ * some GL state has changed.
+ */
+static GLbitfield
+make_state_flags(const GLint state[])
+{
+ switch (state[0]) {
+ case STATE_MATERIAL:
+ case STATE_LIGHT:
+ case STATE_LIGHTMODEL_AMBIENT:
+ case STATE_LIGHTMODEL_SCENECOLOR:
+ case STATE_LIGHTPROD:
+ return _NEW_LIGHT;
+
+ case STATE_TEXGEN:
+ case STATE_TEXENV_COLOR:
+ return _NEW_TEXTURE;
+
+ case STATE_FOG_COLOR:
+ case STATE_FOG_PARAMS:
+ return _NEW_FOG;
+
+ case STATE_CLIPPLANE:
+ return _NEW_TRANSFORM;
+
+ case STATE_POINT_SIZE:
+ case STATE_POINT_ATTENUATION:
+ return _NEW_POINT;
+
+ case STATE_MATRIX:
+ switch (state[1]) {
+ case STATE_MODELVIEW:
+ return _NEW_MODELVIEW;
+ case STATE_PROJECTION:
+ return _NEW_PROJECTION;
+ case STATE_MVP:
+ return _NEW_MODELVIEW | _NEW_PROJECTION;
+ case STATE_TEXTURE:
+ return _NEW_TEXTURE_MATRIX;
+ case STATE_PROGRAM:
+ return _NEW_TRACK_MATRIX;
+ default:
+ _mesa_problem(NULL, "unexpected matrix in make_state_flags()");
+ return 0;
+ }
+
+ case STATE_DEPTH_RANGE:
+ return _NEW_VIEWPORT;
+
+ case STATE_FRAGMENT_PROGRAM:
+ case STATE_VERTEX_PROGRAM:
+ return _NEW_PROGRAM;
+
+ case STATE_INTERNAL:
+ switch (state[1]) {
+ case STATE_NORMAL_SCALE:
+ return _NEW_MODELVIEW;
+ case STATE_TEXRECT_SCALE:
+ return _NEW_TEXTURE;
+ default:
+ /* unknown state indexes are silently ignored and
+ * no flag set, since it is handled by the driver.
+ */
+ return 0;
+ }
+
+ default:
+ _mesa_problem(NULL, "unexpected state[0] in make_state_flags()");
+ return 0;
+ }
+}
+
+
+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:
+ ;
+ }
+}
+
+static void
+append_face(char *dst, GLint face)
+{
+ if (face == 0)
+ append(dst, "front.");
+ else
+ append(dst, "back.");
+}
+
+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".
+ * Use _mesa_free() to deallocate the string.
+ */
+static const char *
+make_state_string(const GLint state[6])
+{
+ char str[1000] = "";
+ char tmp[30];
+
+ append(str, "state.");
+ append_token(str, (enum state_index) state[0]);
+
+ switch (state[0]) {
+ case STATE_MATERIAL:
+ append_face(str, state[1]);
+ append_token(str, (enum state_index) state[2]);
+ break;
+ case STATE_LIGHT:
+ append(str, "light");
+ append_index(str, state[1]); /* light number [i]. */
+ append_token(str, (enum state_index) 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");
+ }
+ break;
+ case STATE_LIGHTPROD:
+ append_index(str, state[1]); /* light number [i]. */
+ append_face(str, state[2]);
+ append_token(str, (enum state_index) state[3]);
+ break;
+ case STATE_TEXGEN:
+ append_index(str, state[1]); /* tex unit [i] */
+ append_token(str, (enum state_index) 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:
+ {
+ /* 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 = (enum state_index) 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 = (enum state_index) 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);
+ }
+ 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, (enum state_index) state[1]);
+ append_index(str, state[2]);
+ break;
+ case STATE_INTERNAL:
+ break;
+ default:
+ _mesa_problem(NULL, "Invalid state in make_state_string");
+ break;
+ }
+
+ return _mesa_strdup(str);
+}
+
+
/**
* 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
*/
void
_mesa_load_state_parameters(GLcontext *ctx,
- struct program_parameter_list *paramList)
+ struct gl_program_parameter_list *paramList)
{
GLuint i;
return;
for (i = 0; i < paramList->NumParameters; i++) {
- if (paramList->Parameters[i].Type == STATE) {
- _mesa_fetch_state(ctx, paramList->Parameters[i].StateIndexes,
- paramList->Parameters[i].Values);
+ if (paramList->Parameters[i].Type == PROGRAM_STATE_VAR) {
+ _mesa_fetch_state(ctx,
+ paramList->Parameters[i].StateIndexes,
+ paramList->ParameterValues[i]);
}
}
}
+/**
+ * Initialize program instruction fields to defaults.
+ * \param inst first instruction to initialize
+ * \param count number of instructions to initialize
+ */
+void
+_mesa_init_instructions(struct prog_instruction *inst, GLuint count)
+{
+ GLuint i;
+
+ _mesa_bzero(inst, count * sizeof(struct prog_instruction));
+
+ for (i = 0; i < count; i++) {
+ inst[i].SrcReg[0].File = PROGRAM_UNDEFINED;
+ inst[i].SrcReg[0].Swizzle = SWIZZLE_NOOP;
+ inst[i].SrcReg[1].File = PROGRAM_UNDEFINED;
+ inst[i].SrcReg[1].Swizzle = SWIZZLE_NOOP;
+ inst[i].SrcReg[2].File = PROGRAM_UNDEFINED;
+ inst[i].SrcReg[2].Swizzle = SWIZZLE_NOOP;
+
+ inst[i].DstReg.File = PROGRAM_UNDEFINED;
+ inst[i].DstReg.WriteMask = WRITEMASK_XYZW;
+ inst[i].DstReg.CondMask = COND_TR;
+ inst[i].DstReg.CondSwizzle = SWIZZLE_NOOP;
+
+ inst[i].SaturateMode = SATURATE_OFF;
+ inst[i].Precision = FLOAT32;
+ }
+}
+
+
+/**
+ * Allocate an array of program instructions.
+ * \param numInst number of instructions
+ * \return pointer to instruction memory
+ */
+struct prog_instruction *
+_mesa_alloc_instructions(GLuint numInst)
+{
+ return (struct prog_instruction *)
+ _mesa_calloc(numInst * sizeof(struct prog_instruction));
+}
+
+
+/**
+ * Reallocate memory storing an array of program instructions.
+ * This is used when we need to append additional instructions onto an
+ * program.
+ * \param oldInst pointer to first of old/src instructions
+ * \param numOldInst number of instructions at <oldInst>
+ * \param numNewInst desired size of new instruction array.
+ * \return pointer to start of new instruction array.
+ */
+struct prog_instruction *
+_mesa_realloc_instructions(struct prog_instruction *oldInst,
+ GLuint numOldInst, GLuint numNewInst)
+{
+ struct prog_instruction *newInst;
+
+ newInst = (struct prog_instruction *)
+ _mesa_realloc(oldInst,
+ numOldInst * sizeof(struct prog_instruction),
+ numNewInst * sizeof(struct prog_instruction));
+
+ return newInst;
+}
+
+
+/**
+ * Basic info about each instruction
+ */
+struct instruction_info
+{
+ enum prog_opcode Opcode;
+ const char *Name;
+ GLuint NumSrcRegs;
+};
+
+/**
+ * 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 }
+};
+
+
+/**
+ * Return the number of src registers for the given instruction/opcode.
+ */
+GLuint
+_mesa_num_inst_src_regs(enum prog_opcode opcode)
+{
+ ASSERT(opcode == InstInfo[opcode].Opcode);
+ return InstInfo[opcode].NumSrcRegs;
+}
+
+
+/**
+ * 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 a string representation of the given swizzle word.
+ * If extended is true, use extended (comma-separated) format.
+ */
+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)
+{
+ _mesa_printf(" %s[%d]%s",
+ program_file_string((enum register_file) 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((enum register_file) srcReg->File),
+ srcReg->Index,
+ swizzle_string(srcReg->Swizzle,
+ srcReg->NegateBase, GL_FALSE));
+}
+
+void
+_mesa_print_alu_instruction(const struct prog_instruction *inst,
+ const char *opcode_string,
+ GLuint numRegs)
+{
+ GLuint j;
+
+ _mesa_printf("%s", opcode_string);
+
+ /* 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((enum register_file) 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(", ");
+ }
+
+ _mesa_printf(";\n");
+}
+
+
+/**
+ * Print a single vertex/fragment program instruction.
+ */
+void
+_mesa_print_instruction(const struct prog_instruction *inst)
+{
+ 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((enum register_file) 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((enum register_file) 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;
+ case OPCODE_END:
+ _mesa_printf("END;\n");
+ break;
+ /* XXX may need for other special-case instructions */
+ default:
+ /* typical alu instruction */
+ _mesa_print_alu_instruction(inst,
+ _mesa_opcode_string(inst->Opcode),
+ _mesa_num_inst_src_regs(inst->Opcode));
+ break;
+ }
+}
+
+
+/**
+ * Print a vertx/fragment program to stdout.
+ * XXX this function could be greatly improved.
+ */
+void
+_mesa_print_program(const struct gl_program *prog)
+{
+ GLuint i;
+ for (i = 0; i < prog->NumInstructions; i++) {
+ _mesa_printf("%3d: ", i);
+ _mesa_print_instruction(prog->Instructions + i);
+ }
+}
+
+
+/**
+ * Print all of a program's parameters.
+ */
+void
+_mesa_print_program_parameters(GLcontext *ctx, const struct gl_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
+
+ for (i = 0; i < prog->Parameters->NumParameters; i++){
+ struct gl_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]);
+ }
+}
+
+
+/**
+ * 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 */
void GLAPIENTRY
_mesa_BindProgram(GLenum target, GLuint id)
{
- struct program *prog;
+ struct gl_program *curProg, *newProg;
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)) {
- if (ctx->VertexProgram.Current &&
- ctx->VertexProgram.Current->Base.Id == id)
- return;
- /* decrement refcount on previously bound vertex program */
- if (ctx->VertexProgram.Current) {
- ctx->VertexProgram.Current->Base.RefCount--;
- /* and delete if refcount goes below one */
- if (ctx->VertexProgram.Current->Base.RefCount <= 0) {
- ctx->Driver.DeleteProgram(ctx, &(ctx->VertexProgram.Current->Base));
- _mesa_HashRemove(ctx->Shared->Programs, id);
- }
- }
+ /* 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)) {
- if (ctx->FragmentProgram.Current &&
- ctx->FragmentProgram.Current->Base.Id == id)
- return;
- /* decrement refcount on previously bound fragment program */
- if (ctx->FragmentProgram.Current) {
- ctx->FragmentProgram.Current->Base.RefCount--;
- /* and delete if refcount goes below one */
- if (ctx->FragmentProgram.Current->Base.RefCount <= 0) {
- ctx->Driver.DeleteProgram(ctx, &(ctx->FragmentProgram.Current->Base));
- _mesa_HashRemove(ctx->Shared->Programs, id);
- }
- }
+ curProg = &ctx->FragmentProgram.Current->Base;
}
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glBindProgramNV/ARB(target)");
return;
}
- /* NOTE: binding to a non-existant program is not an error.
+ /*
+ * 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) {
- /* default program */
- prog = NULL;
- if (target == GL_VERTEX_PROGRAM_NV || target == GL_VERTEX_PROGRAM_ARB)
- prog = ctx->Shared->DefaultVertexProgram;
+ /* Bind a default program */
+ newProg = NULL;
+ if (target == GL_VERTEX_PROGRAM_ARB) /* == GL_VERTEX_PROGRAM_NV */
+ newProg = ctx->Shared->DefaultVertexProgram;
else
- prog = ctx->Shared->DefaultFragmentProgram;
+ newProg = ctx->Shared->DefaultFragmentProgram;
}
else {
- prog = (struct program *) _mesa_HashLookup(ctx->Shared->Programs, id);
- if (prog) {
- if (prog->Target == 0) {
- /* prog was allocated with glGenProgramsNV */
- prog->Target = target;
- }
- else if (prog->Target != target) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBindProgramNV/ARB(target mismatch)");
- return;
- }
- }
- else {
+ /* Bind a user program */
+ newProg = _mesa_lookup_program(ctx, id);
+ if (!newProg || newProg == &_mesa_DummyProgram) {
/* allocate a new program now */
- prog = ctx->Driver.NewProgram(ctx, target, id);
- if (!prog) {
+ newProg = ctx->Driver.NewProgram(ctx, target, id);
+ if (!newProg) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindProgramNV/ARB");
return;
}
- prog->Id = id;
- prog->Target = target;
- prog->Resident = GL_TRUE;
- prog->RefCount = 1;
- _mesa_HashInsert(ctx->Shared->Programs, id, prog);
+ _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;
+ }
+
+ /* unbind/delete oldProg */
+ if (curProg->Id != 0) {
+ /* decrement refcount on previously bound fragment program */
+ curProg->RefCount--;
+ /* and delete if refcount goes below one */
+ if (curProg->RefCount <= 0) {
+ /* the program ID was already removed from the hash table */
+ ctx->Driver.DeleteProgram(ctx, curProg);
}
}
- /* bind now */
- if (target == GL_VERTEX_PROGRAM_NV || target == GL_VERTEX_PROGRAM_ARB) {
- ctx->VertexProgram.Current = (struct vertex_program *) prog;
+ /* bind newProg */
+ if (target == GL_VERTEX_PROGRAM_ARB) { /* == GL_VERTEX_PROGRAM_NV */
+ ctx->VertexProgram.Current = (struct gl_vertex_program *) newProg;
}
- else if (target == GL_FRAGMENT_PROGRAM_NV || target == GL_FRAGMENT_PROGRAM_ARB) {
- ctx->FragmentProgram.Current = (struct fragment_program *) prog;
+ else if (target == GL_FRAGMENT_PROGRAM_NV ||
+ target == GL_FRAGMENT_PROGRAM_ARB) {
+ ctx->FragmentProgram.Current = (struct gl_fragment_program *) newProg;
}
+ newProg->RefCount++;
- if (prog)
- prog->RefCount++;
+ /* Never null pointers */
+ ASSERT(ctx->VertexProgram.Current);
+ ASSERT(ctx->FragmentProgram.Current);
if (ctx->Driver.BindProgram)
- ctx->Driver.BindProgram(ctx, target, prog);
+ ctx->Driver.BindProgram(ctx, target, newProg);
}
for (i = 0; i < n; i++) {
if (ids[i] != 0) {
- struct program *prog = (struct program *)
- _mesa_HashLookup(ctx->Shared->Programs, ids[i]);
- if (prog) {
- if (prog->Target == GL_VERTEX_PROGRAM_NV ||
+ 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]) {
_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);
}
}
- else {
- /* This is necessary as we can't tell from HashLookup
- * whether the entry exists with data == 0, or if it
- * doesn't exist at all. As GenPrograms creates the first
- * case below, need to call Remove() to avoid memory leak:
- */
- _mesa_HashRemove(ctx->Shared->Programs, ids[i]);
- }
}
}
}
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, 0);
+ _mesa_HashInsert(ctx->Shared->Programs, first + i, &_mesa_DummyProgram);
}
/* Return the program names */
}
-/**
- * Determine if id names a 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.
- */
-GLboolean GLAPIENTRY
-_mesa_IsProgram(GLuint id)
-{
- 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;
-}
-
-
-
/**********************************************************************/
/* GL_MESA_program_debug extension */
/**********************************************************************/
/* XXX temporary */
-void
+GLAPI void GLAPIENTRY
glProgramCallbackMESA(GLenum target, GLprogramcallbackMESA callback,
GLvoid *data)
{
/* XXX temporary */
-void
+GLAPI void GLAPIENTRY
glGetProgramRegisterfvMESA(GLenum target,
GLsizei len, const GLubyte *registerName,
GLfloat *v)
reg[len] = 0;
switch (target) {
- case GL_VERTEX_PROGRAM_NV:
+ 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,
if (reg[0] == 'R') {
/* Temp register */
GLint i = _mesa_atoi(reg + 1);
- if (i >= (GLint)ctx->Const.MaxVertexProgramTemps) {
+ if (i >= (GLint)ctx->Const.VertexProgram.MaxTemps) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glGetProgramRegisterfvMESA(registerName)");
return;
}
- COPY_4V(v, ctx->VertexProgram.Temporaries[i]);
+#if 0 /* FIX ME */
+ ctx->Driver.GetVertexProgramRegister(ctx, PROGRAM_TEMPORARY, i, v);
+#endif
}
else if (reg[0] == 'v' && reg[1] == '[') {
/* Vertex Input attribute */
GLuint i;
- for (i = 0; i < ctx->Const.MaxVertexProgramAttribs; i++) {
+ for (i = 0; i < ctx->Const.VertexProgram.MaxAttribs; i++) {
const char *name = _mesa_nv_vertex_input_register_name(i);
char number[10];
- sprintf(number, "%d", i);
+ _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]);
+#if 0 /* FIX ME */
+ ctx->Driver.GetVertexProgramRegister(ctx, PROGRAM_INPUT,
+ i, v);
+#endif
return;
}
}
if (reg[0] == 'R') {
/* Temp register */
GLint i = _mesa_atoi(reg + 1);
- if (i >= (GLint)ctx->Const.MaxFragmentProgramTemps) {
+ if (i >= (GLint)ctx->Const.FragmentProgram.MaxTemps) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glGetProgramRegisterfvMESA(registerName)");
return;
}
- COPY_4V(v, ctx->FragmentProgram.Machine.Temporaries[i]);
+ ctx->Driver.GetFragmentProgramRegister(ctx, PROGRAM_TEMPORARY,
+ i, v);
}
else if (reg[0] == 'f' && reg[1] == '[') {
/* Fragment input attribute */
GLuint i;
- for (i = 0; i < ctx->Const.MaxFragmentProgramAttribs; 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]);
+ ctx->Driver.GetFragmentProgramRegister(ctx,
+ PROGRAM_INPUT, i, v);
return;
}
}
}
else if (_mesa_strcmp(reg, "o[COLR]") == 0) {
/* Fragment output color */
- COPY_4V(v, ctx->FragmentProgram.Machine.Outputs[FRAG_OUTPUT_COLR]);
+ ctx->Driver.GetFragmentProgramRegister(ctx, PROGRAM_OUTPUT,
+ FRAG_RESULT_COLR, v);
}
else if (_mesa_strcmp(reg, "o[COLH]") == 0) {
/* Fragment output color */
- COPY_4V(v, ctx->FragmentProgram.Machine.Outputs[FRAG_OUTPUT_COLH]);
+ ctx->Driver.GetFragmentProgramRegister(ctx, PROGRAM_OUTPUT,
+ FRAG_RESULT_COLH, v);
}
else if (_mesa_strcmp(reg, "o[DEPR]") == 0) {
/* Fragment output depth */
- COPY_4V(v, ctx->FragmentProgram.Machine.Outputs[FRAG_OUTPUT_DEPR]);
+ ctx->Driver.GetFragmentProgramRegister(ctx, PROGRAM_OUTPUT,
+ FRAG_RESULT_DEPR, v);
}
else {
/* try user-defined identifiers */
const GLfloat *value = _mesa_lookup_parameter_value(
- ctx->FragmentProgram.Current->Parameters, -1, reg);
+ ctx->FragmentProgram.Current->Base.Parameters, -1, reg);
if (value) {
COPY_4V(v, value);
}
"glGetProgramRegisterfvMESA(target)");
return;
}
-
}
projects / mesa.git / blobdiff