/*
* Mesa 3-D graphics library
- * Version: 6.5
+ * Version: 6.5.1
*
- * Copyright (C) 1999-2005 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 "arbprogparse.h"
#include "grammar_mesa.h"
#include "program.h"
-#include "get.h"
+#include "context.h"
+#include "macros.h"
+#include "mtypes.h"
+#include "program_instruction.h"
+
+
+/* For ARB programs, use the NV instruction limits */
+#define MAX_INSTRUCTIONS MAX2(MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS, \
+ MAX_NV_VERTEX_PROGRAM_INSTRUCTIONS)
+
+
+/**
+ * This is basically a union of the vertex_program and fragment_program
+ * structs that we can use to parse the program into
+ *
+ * XXX we can probably get rid of this entirely someday.
+ */
+struct arb_program
+{
+ struct gl_program Base;
+
+ GLuint Position; /* Just used for error reporting while parsing */
+ GLuint MajorVersion;
+ GLuint MinorVersion;
+
+ /* ARB_vertex_progmra options */
+ GLboolean HintPositionInvariant;
+
+ /* ARB_fragment_progmra options */
+ GLenum PrecisionOption; /* GL_DONT_CARE, GL_NICEST or GL_FASTEST */
+ GLenum FogOption; /* GL_NONE, GL_LINEAR, GL_EXP or GL_EXP2 */
+
+ /* ARB_fragment_program specifics */
+ GLbitfield TexturesUsed[MAX_TEXTURE_IMAGE_UNITS];
+ GLuint NumAluInstructions;
+ GLuint NumTexInstructions;
+ GLuint NumTexIndirections;
+
+ GLboolean UsesKill;
+};
+
#ifndef __extension__
#if !defined(__GNUC__) || (__GNUC__ < 2) || \
*/
struct var_cache
{
- GLubyte *name;
+ const GLubyte *name; /* don't free() - no need */
var_type type;
GLuint address_binding; /* The index of the address register we should
* be using */
}
static struct var_cache *
-var_cache_find (struct var_cache *va, GLubyte * name)
+var_cache_find (struct var_cache *va, const GLubyte * name)
{
/*struct var_cache *first = va;*/
return NULL;
}
+
+
+/**
+ * Called when an error is detected while parsing/compiling a program.
+ * Sets the ctx->Program.ErrorString field to descript and records a
+ * GL_INVALID_OPERATION error.
+ * \param position position of error in program string
+ * \param descrip verbose error description
+ */
+static void
+program_error(GLcontext *ctx, GLint position, const char *descrip)
+{
+ if (descrip) {
+ const char *prefix = "glProgramString(", *suffix = ")";
+ char *str = (char *) _mesa_malloc(_mesa_strlen(descrip) +
+ _mesa_strlen(prefix) +
+ _mesa_strlen(suffix) + 1);
+ if (str) {
+ _mesa_sprintf(str, "%s%s%s", prefix, descrip, suffix);
+ _mesa_error(ctx, GL_INVALID_OPERATION, str);
+ _mesa_free(str);
+ }
+ }
+ _mesa_set_program_error(ctx, position, descrip);
+}
+
+
+
/**
* constructs an integer from 4 GLubytes in LE format
*/
static GLuint
-parse_position (GLubyte ** inst)
+parse_position (const GLubyte ** inst)
{
GLuint value;
* \return The location on the var_cache corresponding the the string starting at I
*/
static struct var_cache *
-parse_string (GLubyte ** inst, struct var_cache **vc_head,
+parse_string (const GLubyte ** inst, struct var_cache **vc_head,
struct arb_program *Program, GLuint * found)
{
- GLubyte *i = *inst;
+ const GLubyte *i = *inst;
struct var_cache *va = NULL;
(void) Program;
*found = 0;
var_cache_create (&va);
- va->name = i;
+ va->name = (const GLubyte *) i;
var_cache_append (vc_head, va);
}
static char *
-parse_string_without_adding (GLubyte ** inst, struct arb_program *Program)
+parse_string_without_adding (const GLubyte ** inst, struct arb_program *Program)
{
- GLubyte *i = *inst;
+ const GLubyte *i = *inst;
(void) Program;
*inst += _mesa_strlen ((char *) i) + 1;
* \return -1 if we parse '-', return 1 otherwise
*/
static GLint
-parse_sign (GLubyte ** inst)
+parse_sign (const GLubyte ** inst)
{
/*return *(*inst)++ != '+'; */
* parses and returns signed integer
*/
static GLint
-parse_integer (GLubyte ** inst, struct arb_program *Program)
+parse_integer (const GLubyte ** inst, struct arb_program *Program)
{
GLint sign;
GLint value;
in the string.
*/
static GLdouble
-parse_float_string(GLubyte ** inst, struct arb_program *Program, GLdouble *scale)
+parse_float_string(const GLubyte ** inst, struct arb_program *Program, GLdouble *scale)
{
GLdouble value = 0.0;
GLdouble oscale = 1.0;
12.34e-4
*/
static GLfloat
-parse_float (GLubyte ** inst, struct arb_program *Program)
+parse_float (const GLubyte ** inst, struct arb_program *Program)
{
GLint exponent;
GLdouble whole, fraction, fracScale = 1.0;
/**
*/
static GLfloat
-parse_signed_float (GLubyte ** inst, struct arb_program *Program)
+parse_signed_float (const GLubyte ** inst, struct arb_program *Program)
{
GLint sign = parse_sign (inst);
GLfloat value = parse_float (inst, Program);
* \param values - The 4 component vector with the constant value in it
*/
static GLvoid
-parse_constant (GLubyte ** inst, GLfloat *values, struct arb_program *Program,
+parse_constant (const GLubyte ** inst, GLfloat *values, struct arb_program *Program,
GLboolean use)
{
GLuint components, i;
* \return 0 on sucess, 1 on error
*/
static GLuint
-parse_relative_offset (GLcontext *ctx, GLubyte **inst, struct arb_program *Program,
- GLint *offset)
+parse_relative_offset(GLcontext *ctx, const GLubyte **inst,
+ struct arb_program *Program, GLint *offset)
{
+ (void) ctx;
*offset = parse_integer(inst, Program);
return 0;
}
* \return 0 on sucess, 1 on error
*/
static GLuint
-parse_color_type (GLcontext * ctx, GLubyte ** inst, struct arb_program *Program,
+parse_color_type (GLcontext * ctx, const GLubyte ** inst, struct arb_program *Program,
GLint * color)
{
(void) ctx; (void) Program;
* \return 0 on sucess, 1 on error
*/
static GLuint
-parse_generic_attrib_num(GLcontext *ctx, GLubyte ** inst,
+parse_generic_attrib_num(GLcontext *ctx, const GLubyte ** inst,
struct arb_program *Program, GLuint *attrib)
{
GLint i = parse_integer(inst, Program);
- if ((i < 0) || (i > MAX_VERTEX_PROGRAM_ATTRIBS))
+ if ((i < 0) || (i >= MAX_VERTEX_PROGRAM_ATTRIBS))
{
- _mesa_set_program_error (ctx, Program->Position,
- "Invalid generic vertex attribute index");
- _mesa_error (ctx, GL_INVALID_OPERATION, "Invalid generic vertex attribute index");
-
+ program_error(ctx, Program->Position,
+ "Invalid generic vertex attribute index");
return 1;
}
* \return 0 on sucess, 1 on error
*/
static GLuint
-parse_output_color_num (GLcontext * ctx, GLubyte ** inst,
+parse_output_color_num (GLcontext * ctx, const GLubyte ** inst,
struct arb_program *Program, GLuint * color)
{
GLint i = parse_integer (inst, Program);
if ((i < 0) || (i >= (int)ctx->Const.MaxDrawBuffers)) {
- _mesa_set_program_error (ctx, Program->Position,
- "Invalid draw buffer index");
- _mesa_error (ctx, GL_INVALID_OPERATION, "Invalid draw buffer index");
+ program_error(ctx, Program->Position, "Invalid draw buffer index");
return 1;
}
* \return 0 on sucess, 1 on error
*/
static GLuint
-parse_texcoord_num (GLcontext * ctx, GLubyte ** inst,
+parse_texcoord_num (GLcontext * ctx, const GLubyte ** inst,
struct arb_program *Program, GLuint * coord)
{
GLint i = parse_integer (inst, Program);
if ((i < 0) || (i >= (int)ctx->Const.MaxTextureUnits)) {
- _mesa_set_program_error (ctx, Program->Position,
- "Invalid texture unit index");
- _mesa_error (ctx, GL_INVALID_OPERATION, "Invalid texture unit index");
+ program_error(ctx, Program->Position, "Invalid texture unit index");
return 1;
}
* \return 0 on sucess, 1 on error
*/
static GLuint
-parse_weight_num (GLcontext * ctx, GLubyte ** inst, struct arb_program *Program,
+parse_weight_num (GLcontext * ctx, const GLubyte ** inst, struct arb_program *Program,
GLint * coord)
{
*coord = parse_integer (inst, Program);
if ((*coord < 0) || (*coord >= 1)) {
- _mesa_set_program_error (ctx, Program->Position,
- "Invalid weight index");
- _mesa_error (ctx, GL_INVALID_OPERATION, "Invalid weight index");
+ program_error(ctx, Program->Position, "Invalid weight index");
return 1;
}
* \return 0 on sucess, 1 on error
*/
static GLuint
-parse_clipplane_num (GLcontext * ctx, GLubyte ** inst,
+parse_clipplane_num (GLcontext * ctx, const GLubyte ** inst,
struct arb_program *Program, GLint * coord)
{
*coord = parse_integer (inst, Program);
if ((*coord < 0) || (*coord >= (GLint) ctx->Const.MaxClipPlanes)) {
- _mesa_set_program_error (ctx, Program->Position,
- "Invalid clip plane index");
- _mesa_error (ctx, GL_INVALID_OPERATION, "Invalid clip plane index");
+ program_error(ctx, Program->Position, "Invalid clip plane index");
return 1;
}
* \return 0 on front face, 1 on back face
*/
static GLuint
-parse_face_type (GLubyte ** inst)
+parse_face_type (const GLubyte ** inst)
{
switch (*(*inst)++) {
case FACE_FRONT:
* \return 0 on sucess, 1 on failure
*/
static GLuint
-parse_matrix (GLcontext * ctx, GLubyte ** inst, struct arb_program *Program,
+parse_matrix (GLcontext * ctx, const GLubyte ** inst, struct arb_program *Program,
GLint * matrix, GLint * matrix_idx, GLint * matrix_modifier)
{
GLubyte mat = *(*inst)++;
*matrix = STATE_MODELVIEW;
*matrix_idx = parse_integer (inst, Program);
if (*matrix_idx > 0) {
- _mesa_set_program_error (ctx, Program->Position,
- "ARB_vertex_blend not supported\n");
- _mesa_error (ctx, GL_INVALID_OPERATION,
- "ARB_vertex_blend not supported\n");
+ program_error(ctx, Program->Position,
+ "ARB_vertex_blend not supported");
return 1;
}
break;
*matrix = STATE_TEXTURE;
*matrix_idx = parse_integer (inst, Program);
if (*matrix_idx >= (GLint) ctx->Const.MaxTextureUnits) {
- _mesa_set_program_error (ctx, Program->Position,
- "Invalid Texture Unit");
- _mesa_error (ctx, GL_INVALID_OPERATION,
- "Invalid Texture Unit: %d", *matrix_idx);
+ program_error(ctx, Program->Position, "Invalid Texture Unit");
+ /* bad *matrix_id */
return 1;
}
break;
/* This is not currently supported (ARB_matrix_palette) */
case MATRIX_PALETTE:
*matrix_idx = parse_integer (inst, Program);
- _mesa_set_program_error (ctx, Program->Position,
- "ARB_matrix_palette not supported\n");
- _mesa_error (ctx, GL_INVALID_OPERATION,
- "ARB_matrix_palette not supported\n");
+ program_error(ctx, Program->Position,
+ "ARB_matrix_palette not supported");
return 1;
break;
*matrix = STATE_PROGRAM;
*matrix_idx = parse_integer (inst, Program);
if (*matrix_idx >= (GLint) ctx->Const.MaxProgramMatrices) {
- _mesa_set_program_error (ctx, Program->Position,
- "Invalid Program Matrix");
- _mesa_error (ctx, GL_INVALID_OPERATION,
- "Invalid Program Matrix: %d", *matrix_idx);
+ program_error(ctx, Program->Position, "Invalid Program Matrix");
+ /* bad *matrix_idx */
return 1;
}
break;
* \return - 0 on sucess, 1 on error
*/
static GLuint
-parse_state_single_item (GLcontext * ctx, GLubyte ** inst,
+parse_state_single_item (GLcontext * ctx, const GLubyte ** inst,
struct arb_program *Program, GLint * state_tokens)
{
switch (*(*inst)++) {
/* Check the value of state_tokens[1] against the # of lights */
if (state_tokens[1] >= (GLint) ctx->Const.MaxLights) {
- _mesa_set_program_error (ctx, Program->Position,
- "Invalid Light Number");
- _mesa_error (ctx, GL_INVALID_OPERATION,
- "Invalid Light Number: %d", state_tokens[1]);
+ program_error(ctx, Program->Position, "Invalid Light Number");
+ /* bad state_tokens[1] */
return 1;
}
/* Check the value of state_tokens[1] against the # of lights */
if (state_tokens[1] >= (GLint) ctx->Const.MaxLights) {
- _mesa_set_program_error (ctx, Program->Position,
- "Invalid Light Number");
- _mesa_error (ctx, GL_INVALID_OPERATION,
- "Invalid Light Number: %d", state_tokens[1]);
+ program_error(ctx, Program->Position, "Invalid Light Number");
+ /* bad state_tokens[1] */
return 1;
}
if ((**inst) != 0) { /* Either the last row, 0 */
state_tokens[4] = parse_integer (inst, Program);
if (state_tokens[4] < state_tokens[3]) {
- _mesa_set_program_error (ctx, Program->Position,
- "Second matrix index less than the first");
- _mesa_error (ctx, GL_INVALID_OPERATION,
- "Second matrix index (%d) less than the first (%d)",
- state_tokens[4], state_tokens[3]);
+ program_error(ctx, Program->Position,
+ "Second matrix index less than the first");
+ /* state_tokens[4] vs. state_tokens[3] */
return 1;
}
}
* \return - 0 on sucess, 1 on failure
*/
static GLuint
-parse_program_single_item (GLcontext * ctx, GLubyte ** inst,
+parse_program_single_item (GLcontext * ctx, const GLubyte ** inst,
struct arb_program *Program, GLint * state_tokens)
{
if (Program->Base.Target == GL_FRAGMENT_PROGRAM_ARB)
||
((Program->Base.Target == GL_VERTEX_PROGRAM_ARB) &&
(state_tokens[2] >= (GLint) ctx->Const.VertexProgram.MaxEnvParams))) {
- _mesa_set_program_error (ctx, Program->Position,
- "Invalid Program Env Parameter");
- _mesa_error (ctx, GL_INVALID_OPERATION,
- "Invalid Program Env Parameter: %d",
- state_tokens[2]);
+ program_error(ctx, Program->Position,
+ "Invalid Program Env Parameter");
+ /* bad state_tokens[2] */
return 1;
}
||
((Program->Base.Target == GL_VERTEX_PROGRAM_ARB) &&
(state_tokens[2] >= (GLint) ctx->Const.VertexProgram.MaxLocalParams))) {
- _mesa_set_program_error (ctx, Program->Position,
- "Invalid Program Local Parameter");
- _mesa_error (ctx, GL_INVALID_OPERATION,
- "Invalid Program Local Parameter: %d",
- state_tokens[2]);
+ program_error(ctx, Program->Position,
+ "Invalid Program Local Parameter");
+ /* bad state_tokens[2] */
return 1;
}
break;
*
* \param inputReg returns the input register index, one of the
* VERT_ATTRIB_* or FRAG_ATTRIB_* values.
- * \return returns 0 on sucess, 1 on error
+ * \return returns 0 on success, 1 on error
*/
static GLuint
-parse_attrib_binding(GLcontext * ctx, GLubyte ** inst,
+parse_attrib_binding(GLcontext * ctx, const GLubyte ** inst,
struct arb_program *Program,
GLuint *inputReg, GLuint *is_generic)
{
case VERTEX_ATTRIB_WEIGHT:
{
- const char *msg = "ARB_vertex_blend not supported";
GLint weight;
err = parse_weight_num (ctx, inst, Program, &weight);
*inputReg = VERT_ATTRIB_WEIGHT;
- _mesa_set_program_error(ctx, Program->Position, msg);
- _mesa_error(ctx, GL_INVALID_OPERATION, msg);
+#if 1
+ /* hack for Warcraft (see bug 8060) */
+ _mesa_warning(ctx, "Application error: vertex program uses 'vertex.weight' but GL_ARB_vertex_blend not supported.");
+ break;
+#else
+ program_error(ctx, Program->Position,
+ "ARB_vertex_blend not supported");
+ return 1;
+#endif
}
- return 1;
case VERTEX_ATTRIB_NORMAL:
*inputReg = VERT_ATTRIB_NORMAL;
{
const char *msg = "ARB_palette_matrix not supported";
parse_integer (inst, Program);
- _mesa_set_program_error (ctx, Program->Position, msg);
- _mesa_error (ctx, GL_INVALID_OPERATION, msg);
+ program_error(ctx, Program->Position, msg);
}
return 1;
case VERTEX_ATTRIB_GENERIC:
{
GLuint attrib;
- if (!parse_generic_attrib_num(ctx, inst, Program, &attrib)) {
+ err = parse_generic_attrib_num(ctx, inst, Program, &attrib);
+ if (!err) {
*is_generic = 1;
- *inputReg = attrib;
+ /* Add VERT_ATTRIB_GENERIC0 here because ARB_vertex_program's
+ * attributes do not alias the conventional vertex
+ * attributes.
+ */
+ if (attrib > 0)
+ *inputReg = attrib + VERT_ATTRIB_GENERIC0;
+ else
+ *inputReg = 0;
}
}
break;
}
}
- /* Can this even happen? */
if (err) {
- const char *msg = "Bad attribute binding";
- _mesa_set_program_error(ctx, Program->Position, msg);
- _mesa_error(ctx, GL_INVALID_OPERATION, msg);
+ program_error(ctx, Program->Position, "Bad attribute binding");
}
Program->Base.InputsRead |= (1 << *inputReg);
* one of the VERT_RESULT_* or FRAG_RESULT_* values.
*/
static GLuint
-parse_result_binding(GLcontext *ctx, GLubyte **inst,
+parse_result_binding(GLcontext *ctx, const GLubyte **inst,
GLuint *outputReg, struct arb_program *Program)
{
const GLubyte token = *(*inst)++;
* \return 0 on sucess, 1 on error
*/
static GLint
-parse_attrib (GLcontext * ctx, GLubyte ** inst, struct var_cache **vc_head,
+parse_attrib (GLcontext * ctx, const GLubyte ** inst, struct var_cache **vc_head,
struct arb_program *Program)
{
GLuint found;
_mesa_malloc (_mesa_strlen ((char *) attrib_var->name) + 40);
_mesa_sprintf (error_msg, "Duplicate Varible Declaration: %s",
attrib_var->name);
-
- _mesa_set_program_error (ctx, Program->Position, error_msg);
- _mesa_error (ctx, GL_INVALID_OPERATION, error_msg);
-
+ program_error(ctx, Program->Position, error_msg);
_mesa_free (error_msg);
return 1;
}
return 1;
if (generic_attrib_check(*vc_head)) {
- _mesa_set_program_error(ctx, Program->Position,
- "Cannot use both a generic vertex attribute "
- "and a specific attribute of the same type");
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "Cannot use both a generic vertex attribute and a specific "
- "attribute of the same type");
+ program_error(ctx, Program->Position,
+ "Cannot use both a generic vertex attribute "
+ "and a specific attribute of the same type");
return 1;
}
* if we get a signed or unsigned float for scalar constants
*/
static GLuint
-parse_param_elements (GLcontext * ctx, GLubyte ** inst,
+parse_param_elements (GLcontext * ctx, const GLubyte ** inst,
struct var_cache *param_var,
struct arb_program *Program, GLboolean use)
{
out_of_range = 1;
}
if (out_of_range) {
- _mesa_set_program_error (ctx, Program->Position,
- "Invalid Program Parameter");
- _mesa_error (ctx, GL_INVALID_OPERATION,
- "Invalid Program Parameter: %d", end_idx);
+ program_error(ctx, Program->Position,
+ "Invalid Program Parameter"); /*end_idx*/
return 1;
}
break;
default:
- _mesa_set_program_error(ctx, Program->Position,
- "Unexpected token in parse_param_elements()");
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "Unexpected token in parse_param_elements()");
+ program_error(ctx, Program->Position,
+ "Unexpected token (in parse_param_elements())");
return 1;
}
|| ((Program->Base.Target == GL_FRAGMENT_PROGRAM_ARB)
&& (Program->Base.NumParameters >=
ctx->Const.FragmentProgram.MaxLocalParams))) {
- _mesa_set_program_error (ctx, Program->Position,
- "Too many parameter variables");
- _mesa_error (ctx, GL_INVALID_OPERATION, "Too many parameter variables");
+ program_error(ctx, Program->Position, "Too many parameter variables");
return 1;
}
* \return 0 on sucess, 1 on error
*/
static GLuint
-parse_param (GLcontext * ctx, GLubyte ** inst, struct var_cache **vc_head,
+parse_param (GLcontext * ctx, const GLubyte ** inst, struct var_cache **vc_head,
struct arb_program *Program)
{
GLuint found, err;
_mesa_malloc (_mesa_strlen ((char *) param_var->name) + 40);
_mesa_sprintf (error_msg, "Duplicate Varible Declaration: %s",
param_var->name);
-
- _mesa_set_program_error (ctx, Program->Position, error_msg);
- _mesa_error (ctx, GL_INVALID_OPERATION, error_msg);
-
+ program_error (ctx, Program->Position, error_msg);
_mesa_free (error_msg);
return 1;
}
specified_length = parse_integer (inst, Program);
if (specified_length < 0) {
- _mesa_set_program_error (ctx, Program->Position,
- "Negative parameter array length");
- _mesa_error (ctx, GL_INVALID_OPERATION,
- "Negative parameter array length: %d", specified_length);
+ program_error(ctx, Program->Position, "Negative parameter array length");
return 1;
}
/* Test array length here! */
if (specified_length) {
if (specified_length != (int)param_var->param_binding_length) {
- const char *msg
- = "Declared parameter array length does not match parameter list";
- _mesa_set_program_error(ctx, Program->Position, msg);
- _mesa_error(ctx, GL_INVALID_OPERATION, msg);
+ program_error(ctx, Program->Position,
+ "Declared parameter array length does not match parameter list");
}
}
*
*/
static GLuint
-parse_param_use (GLcontext * ctx, GLubyte ** inst, struct var_cache **vc_head,
+parse_param_use (GLcontext * ctx, const GLubyte ** inst, struct var_cache **vc_head,
struct arb_program *Program, struct var_cache **new_var)
{
struct var_cache *param_var;
/* First, insert a dummy entry into the var_cache */
var_cache_create (¶m_var);
- param_var->name = (GLubyte *) _mesa_strdup (" ");
+ param_var->name = (const GLubyte *) " ";
param_var->type = vt_param;
param_var->param_binding_length = 0;
* \return 0 on sucess, 1 on error
*/
static GLuint
-parse_temp (GLcontext * ctx, GLubyte ** inst, struct var_cache **vc_head,
+parse_temp (GLcontext * ctx, const GLubyte ** inst, struct var_cache **vc_head,
struct arb_program *Program)
{
GLuint found;
_mesa_malloc (_mesa_strlen ((char *) temp_var->name) + 40);
_mesa_sprintf (error_msg, "Duplicate Varible Declaration: %s",
temp_var->name);
-
- _mesa_set_program_error (ctx, Program->Position, error_msg);
- _mesa_error (ctx, GL_INVALID_OPERATION, error_msg);
-
+ program_error(ctx, Program->Position, error_msg);
_mesa_free (error_msg);
return 1;
}
|| ((Program->Base.Target == GL_VERTEX_PROGRAM_ARB)
&& (Program->Base.NumTemporaries >=
ctx->Const.VertexProgram.MaxTemps))) {
- _mesa_set_program_error (ctx, Program->Position,
- "Too many TEMP variables declared");
- _mesa_error (ctx, GL_INVALID_OPERATION,
- "Too many TEMP variables declared");
+ program_error(ctx, Program->Position,
+ "Too many TEMP variables declared");
return 1;
}
* \return 0 on sucess, 1 on error
*/
static GLuint
-parse_output (GLcontext * ctx, GLubyte ** inst, struct var_cache **vc_head,
+parse_output (GLcontext * ctx, const GLubyte ** inst, struct var_cache **vc_head,
struct arb_program *Program)
{
GLuint found;
_mesa_malloc (_mesa_strlen ((char *) output_var->name) + 40);
_mesa_sprintf (error_msg, "Duplicate Varible Declaration: %s",
output_var->name);
-
- _mesa_set_program_error (ctx, Program->Position, error_msg);
- _mesa_error (ctx, GL_INVALID_OPERATION, error_msg);
-
+ program_error (ctx, Program->Position, error_msg);
_mesa_free (error_msg);
return 1;
}
* \return 0 on sucess, 1 on error
*/
static GLuint
-parse_alias (GLcontext * ctx, GLubyte ** inst, struct var_cache **vc_head,
+parse_alias (GLcontext * ctx, const GLubyte ** inst, struct var_cache **vc_head,
struct arb_program *Program)
{
GLuint found;
_mesa_malloc (_mesa_strlen ((char *) temp_var->name) + 40);
_mesa_sprintf (error_msg, "Duplicate Varible Declaration: %s",
temp_var->name);
-
- _mesa_set_program_error (ctx, Program->Position, error_msg);
- _mesa_error (ctx, GL_INVALID_OPERATION, error_msg);
-
+ program_error(ctx, Program->Position, error_msg);
_mesa_free (error_msg);
return 1;
}
_mesa_malloc (_mesa_strlen ((char *) temp_var->name) + 40);
_mesa_sprintf (error_msg, "Alias value %s is not defined",
temp_var->alias_binding->name);
-
- _mesa_set_program_error (ctx, Program->Position, error_msg);
- _mesa_error (ctx, GL_INVALID_OPERATION, error_msg);
-
+ program_error (ctx, Program->Position, error_msg);
_mesa_free (error_msg);
return 1;
}
* \return 0 on sucess, 1 on error
*/
static GLuint
-parse_address (GLcontext * ctx, GLubyte ** inst, struct var_cache **vc_head,
+parse_address (GLcontext * ctx, const GLubyte ** inst, struct var_cache **vc_head,
struct arb_program *Program)
{
GLuint found;
_mesa_malloc (_mesa_strlen ((char *) temp_var->name) + 40);
_mesa_sprintf (error_msg, "Duplicate Varible Declaration: %s",
temp_var->name);
-
- _mesa_set_program_error (ctx, Program->Position, error_msg);
- _mesa_error (ctx, GL_INVALID_OPERATION, error_msg);
-
+ program_error (ctx, Program->Position, error_msg);
_mesa_free (error_msg);
return 1;
}
if (Program->Base.NumAddressRegs >=
ctx->Const.VertexProgram.MaxAddressRegs) {
const char *msg = "Too many ADDRESS variables declared";
- _mesa_set_program_error(ctx, Program->Position, msg);
-
- _mesa_error(ctx, GL_INVALID_OPERATION, msg);
+ program_error(ctx, Program->Position, msg);
return 1;
}
* \return 0 on sucess, 1 on error
*/
static GLint
-parse_declaration (GLcontext * ctx, GLubyte ** inst, struct var_cache **vc_head,
+parse_declaration (GLcontext * ctx, const GLubyte ** inst, struct var_cache **vc_head,
struct arb_program *Program)
{
GLint err = 0;
* \return 0 on sucess, 1 on error
*/
static GLuint
-parse_masked_dst_reg (GLcontext * ctx, GLubyte ** inst,
+parse_masked_dst_reg (GLcontext * ctx, const GLubyte ** inst,
struct var_cache **vc_head, struct arb_program *Program,
enum register_file *File, GLuint *Index, GLint *WriteMask)
{
/* If the name has never been added to our symbol table, we're hosed */
if (!result) {
- _mesa_set_program_error (ctx, Program->Position,
- "0: Undefined variable");
- _mesa_error (ctx, GL_INVALID_OPERATION, "0: Undefined variable: %s",
- dst->name);
+ program_error(ctx, Program->Position, "0: Undefined variable");
return 1;
}
/* If the var type is not vt_output or vt_temp, no go */
default:
- _mesa_set_program_error (ctx, Program->Position,
- "Destination register is read only");
- _mesa_error (ctx, GL_INVALID_OPERATION,
- "Destination register is read only: %s",
- dst->name);
+ program_error(ctx, Program->Position,
+ "Destination register is read only");
return 1;
}
break;
default:
- _mesa_set_program_error (ctx, Program->Position,
- "Unexpected opcode in parse_masked_dst_reg()");
- _mesa_error (ctx, GL_INVALID_OPERATION,
- "Unexpected opcode in parse_masked_dst_reg()");
+ program_error(ctx, Program->Position,
+ "Unexpected opcode in parse_masked_dst_reg()");
return 1;
}
*/
/*if ((Program->HintPositionInvariant) && (*File == PROGRAM_OUTPUT) &&
(*Index == 0)) {
- _mesa_set_program_error (ctx, Program->Position,
- "Vertex program specified position invariance and wrote vertex position");
- _mesa_error (ctx, GL_INVALID_OPERATION,
+ program_error(ctx, Program->Position,
"Vertex program specified position invariance and wrote vertex position");
}*/
* \return 0 on sucess, 1 on error
*/
static GLuint
-parse_address_reg (GLcontext * ctx, GLubyte ** inst,
+parse_address_reg (GLcontext * ctx, const GLubyte ** inst,
struct var_cache **vc_head,
struct arb_program *Program, GLint * Index)
{
struct var_cache *dst;
GLuint result;
- (void) Index;
+
+ *Index = 0; /* XXX */
dst = parse_string (inst, vc_head, Program, &result);
Program->Position = parse_position (inst);
/* If the name has never been added to our symbol table, we're hosed */
if (!result) {
- _mesa_set_program_error (ctx, Program->Position, "Undefined variable");
- _mesa_error (ctx, GL_INVALID_OPERATION, "Undefined variable: %s",
- dst->name);
+ program_error(ctx, Program->Position, "Undefined variable");
return 1;
}
if (dst->type != vt_address) {
- _mesa_set_program_error (ctx, Program->Position,
- "Variable is not of type ADDRESS");
- _mesa_error (ctx, GL_INVALID_OPERATION,
- "Variable: %s is not of type ADDRESS", dst->name);
+ program_error(ctx, Program->Position, "Variable is not of type ADDRESS");
return 1;
}
* \return 0 on sucess, 1 on error
*/
static GLuint
-parse_masked_address_reg (GLcontext * ctx, GLubyte ** inst,
+parse_masked_address_reg (GLcontext * ctx, const GLubyte ** inst,
struct var_cache **vc_head,
struct arb_program *Program, GLint * Index,
GLboolean * WriteMask)
* swizzle, or just 1 component for a scalar src register selection
*/
static void
-parse_swizzle_mask(GLubyte ** inst, GLubyte *swizzle, GLint len)
+parse_swizzle_mask(const GLubyte ** inst, GLubyte *swizzle, GLint len)
{
GLint i;
* \return negateMask four element bitfield
*/
static void
-parse_extended_swizzle_mask(GLubyte **inst, GLubyte swizzle[4],
+parse_extended_swizzle_mask(const GLubyte **inst, GLubyte swizzle[4],
GLubyte *negateMask)
{
GLint i;
static GLuint
-parse_src_reg (GLcontext * ctx, GLubyte ** inst, struct var_cache **vc_head,
+parse_src_reg (GLcontext * ctx, const GLubyte ** inst,
+ struct var_cache **vc_head,
struct arb_program *Program,
enum register_file * File, GLint * Index,
GLboolean *IsRelOffset )
*/
var_cache_create(&src);
src->type = vt_attrib;
- src->name = (GLubyte *)_mesa_strdup("Dummy Attrib Variable");
+ src->name = (const GLubyte *) "Dummy Attrib Variable";
src->attrib_binding = binding;
src->attrib_is_generic = is_generic;
var_cache_append(vc_head, src);
if (generic_attrib_check(*vc_head)) {
- const char *msg = "Cannot use both a generic vertex attribute "
- "and a specific attribute of the same type";
- _mesa_set_program_error (ctx, Program->Position, msg);
- _mesa_error (ctx, GL_INVALID_OPERATION, msg);
+ program_error(ctx, Program->Position,
+ "Cannot use both a generic vertex attribute "
+ "and a specific attribute of the same type");
return 1;
}
break;
Program->Position = parse_position (inst);
if (!found) {
- _mesa_set_program_error (ctx, Program->Position,
- "2: Undefined variable");
- _mesa_error (ctx, GL_INVALID_OPERATION,
- "2: Undefined variable: %s", src->name);
+ program_error(ctx, Program->Position,
+ "2: Undefined variable"); /* src->name */
return 1;
}
- *File = src->param_binding_type;
+ *File = (enum register_file) src->param_binding_type;
switch (*(*inst)++) {
case ARRAY_INDEX_ABSOLUTE:
if ((offset < 0)
|| (offset >= (int)src->param_binding_length)) {
- _mesa_set_program_error (ctx, Program->Position,
- "Index out of range");
- _mesa_error (ctx, GL_INVALID_OPERATION,
- "Index %d out of range for %s", offset,
- src->name);
+ program_error(ctx, Program->Position,
+ "Index out of range");
+ /* offset, src->name */
return 1;
}
if (parse_param_use (ctx, inst, vc_head, Program, &src))
return 1;
- *File = src->param_binding_type;
+ *File = (enum register_file) src->param_binding_type;
*Index = src->param_binding_begin;
break;
}
/* If the name has never been added to our symbol table, we're hosed */
if (!found) {
- _mesa_set_program_error (ctx, Program->Position,
- "3: Undefined variable");
- _mesa_error (ctx, GL_INVALID_OPERATION, "3: Undefined variable: %s",
- src->name);
+ program_error(ctx, Program->Position,
+ "3: Undefined variable"); /* src->name */
return 1;
}
/* XXX: We have to handle offsets someplace in here! -- or are those above? */
case vt_param:
- *File = src->param_binding_type;
+ *File = (enum register_file) src->param_binding_type;
*Index = src->param_binding_begin;
break;
/* If the var type is vt_output no go */
default:
- _mesa_set_program_error (ctx, Program->Position,
- "destination register is read only");
- _mesa_error (ctx, GL_INVALID_OPERATION,
- "destination register is read only: %s",
- src->name);
+ program_error(ctx, Program->Position,
+ "destination register is read only");
+ /* bad src->name */
return 1;
}
break;
default:
- _mesa_set_program_error (ctx, Program->Position,
- "Unknown token in parse_src_reg");
- _mesa_error (ctx, GL_INVALID_OPERATION,
- "Unknown token in parse_src_reg");
+ program_error(ctx, Program->Position,
+ "Unknown token in parse_src_reg");
return 1;
}
* Parse fragment program vector source register.
*/
static GLuint
-parse_fp_vector_src_reg(GLcontext * ctx, GLubyte ** inst,
+parse_fp_vector_src_reg(GLcontext * ctx, const GLubyte ** inst,
struct var_cache **vc_head,
struct arb_program *program,
struct prog_src_register *reg)
}
+/**
+ * Parse fragment program destination register.
+ * \return 1 if error, 0 if no error.
+ */
static GLuint
-parse_fp_dst_reg(GLcontext * ctx, GLubyte ** inst,
+parse_fp_dst_reg(GLcontext * ctx, const GLubyte ** inst,
struct var_cache **vc_head, struct arb_program *Program,
struct prog_dst_register *reg )
{
/**
* Parse fragment program scalar src register.
+ * \return 1 if error, 0 if no error.
*/
static GLuint
-parse_fp_scalar_src_reg (GLcontext * ctx, GLubyte ** inst,
+parse_fp_scalar_src_reg (GLcontext * ctx, const GLubyte ** inst,
struct var_cache **vc_head,
struct arb_program *Program,
struct prog_src_register *reg )
/**
* This is a big mother that handles getting opcodes into the instruction
* and handling the src & dst registers for fragment program instructions
+ * \return 1 if error, 0 if no error
*/
static GLuint
-parse_fp_instruction (GLcontext * ctx, GLubyte ** inst,
+parse_fp_instruction (GLcontext * ctx, const GLubyte ** inst,
struct var_cache **vc_head, struct arb_program *Program,
struct prog_instruction *fp)
{
case OP_ALU_VECTOR:
switch (code) {
case OP_ABS_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_ABS:
fp->Opcode = OPCODE_ABS;
break;
case OP_FLR_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_FLR:
fp->Opcode = OPCODE_FLR;
break;
case OP_FRC_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_FRC:
fp->Opcode = OPCODE_FRC;
break;
case OP_LIT_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_LIT:
fp->Opcode = OPCODE_LIT;
break;
case OP_MOV_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_MOV:
fp->Opcode = OPCODE_MOV;
break;
case OP_ALU_SCALAR:
switch (code) {
case OP_COS_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_COS:
fp->Opcode = OPCODE_COS;
break;
case OP_EX2_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_EX2:
fp->Opcode = OPCODE_EX2;
break;
case OP_LG2_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_LG2:
fp->Opcode = OPCODE_LG2;
break;
case OP_RCP_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_RCP:
fp->Opcode = OPCODE_RCP;
break;
case OP_RSQ_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_RSQ:
fp->Opcode = OPCODE_RSQ;
break;
case OP_SIN_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_SIN:
fp->Opcode = OPCODE_SIN;
break;
case OP_SCS_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_SCS:
fp->Opcode = OPCODE_SCS;
case OP_ALU_BINSC:
switch (code) {
case OP_POW_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_POW:
fp->Opcode = OPCODE_POW;
break;
case OP_ALU_BIN:
switch (code) {
case OP_ADD_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_ADD:
fp->Opcode = OPCODE_ADD;
break;
case OP_DP3_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_DP3:
fp->Opcode = OPCODE_DP3;
break;
case OP_DP4_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_DP4:
fp->Opcode = OPCODE_DP4;
break;
case OP_DPH_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_DPH:
fp->Opcode = OPCODE_DPH;
break;
case OP_DST_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_DST:
fp->Opcode = OPCODE_DST;
break;
case OP_MAX_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_MAX:
fp->Opcode = OPCODE_MAX;
break;
case OP_MIN_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_MIN:
fp->Opcode = OPCODE_MIN;
break;
case OP_MUL_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_MUL:
fp->Opcode = OPCODE_MUL;
break;
case OP_SGE_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_SGE:
fp->Opcode = OPCODE_SGE;
break;
case OP_SLT_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_SLT:
fp->Opcode = OPCODE_SLT;
break;
case OP_SUB_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_SUB:
fp->Opcode = OPCODE_SUB;
break;
case OP_XPD_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_XPD:
fp->Opcode = OPCODE_XPD;
break;
case OP_ALU_TRI:
switch (code) {
case OP_CMP_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_CMP:
fp->Opcode = OPCODE_CMP;
break;
case OP_LRP_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_LRP:
fp->Opcode = OPCODE_LRP;
break;
case OP_MAD_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_MAD:
fp->Opcode = OPCODE_MAD;
break;
case OP_ALU_SWZ:
switch (code) {
case OP_SWZ_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_SWZ:
fp->Opcode = OPCODE_SWZ;
break;
case OP_TEX_SAMPLE:
switch (code) {
case OP_TEX_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_TEX:
fp->Opcode = OPCODE_TEX;
break;
case OP_TXP_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_TXP:
fp->Opcode = OPCODE_TXP;
break;
case OP_TXB_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_TXB:
fp->Opcode = OPCODE_TXB;
break;
/* TODO ARB_fragment_program_shadow code */
break;
}
- Program->TexturesUsed[texcoord] |= (1<<fp->TexSrcTarget);
+ Program->TexturesUsed[texcoord] |= (1 << fp->TexSrcTarget);
+ /* Check that both "2D" and "CUBE" (for example) aren't both used */
+ if (_mesa_bitcount(Program->TexturesUsed[texcoord]) > 1) {
+ program_error(ctx, Program->Position,
+ "multiple targets used on one texture image unit");
+ return 1;
+ }
break;
case OP_TEX_KIL:
return 1;
fp->Opcode = OPCODE_KIL;
break;
+ default:
+ _mesa_problem(ctx, "bad type 0x%x in parse_fp_instruction()", type);
+ return 1;
}
return 0;
}
static GLuint
-parse_vp_dst_reg(GLcontext * ctx, GLubyte ** inst,
+parse_vp_dst_reg(GLcontext * ctx, const GLubyte ** inst,
struct var_cache **vc_head, struct arb_program *Program,
struct prog_dst_register *reg )
{
* \return 0 on sucess, 1 on error
*/
static GLuint
-parse_vp_address_reg (GLcontext * ctx, GLubyte ** inst,
+parse_vp_address_reg (GLcontext * ctx, const GLubyte ** inst,
struct var_cache **vc_head,
struct arb_program *Program,
struct prog_dst_register *reg)
* Parse vertex program vector source register.
*/
static GLuint
-parse_vp_vector_src_reg(GLcontext * ctx, GLubyte ** inst,
+parse_vp_vector_src_reg(GLcontext * ctx, const GLubyte ** inst,
struct var_cache **vc_head,
struct arb_program *program,
struct prog_src_register *reg )
static GLuint
-parse_vp_scalar_src_reg (GLcontext * ctx, GLubyte ** inst,
+parse_vp_scalar_src_reg (GLcontext * ctx, const GLubyte ** inst,
struct var_cache **vc_head,
struct arb_program *Program,
struct prog_src_register *reg )
* and handling the src & dst registers for vertex program instructions
*/
static GLuint
-parse_vp_instruction (GLcontext * ctx, GLubyte ** inst,
+parse_vp_instruction (GLcontext * ctx, const GLubyte ** inst,
struct var_cache **vc_head, struct arb_program *Program,
struct prog_instruction *vp)
{
* \return 1 on error, 0 on success
*/
static GLint
-parse_arb_program(GLcontext * ctx, GLubyte * inst, struct var_cache **vc_head,
- struct arb_program *Program)
+parse_instructions(GLcontext * ctx, const GLubyte * inst,
+ struct var_cache **vc_head, struct arb_program *Program)
{
const GLuint maxInst = (Program->Base.Target == GL_FRAGMENT_PROGRAM_ARB)
? ctx->Const.FragmentProgram.MaxInstructions
case INSTRUCTION:
/* check length */
if (Program->Base.NumInstructions + 1 >= maxInst) {
- const char *msg = "Max instruction count exceeded";
- _mesa_set_program_error(ctx, Program->Position, msg);
- _mesa_error(ctx, GL_INVALID_OPERATION, msg);
+ program_error(ctx, Program->Position,
+ "Max instruction count exceeded");
return 1;
}
Program->Position = parse_position (&inst);
/* parse the current instruction */
if (Program->Base.Target == GL_FRAGMENT_PROGRAM_ARB) {
err = parse_fp_instruction (ctx, &inst, vc_head, Program,
- &Program->FPInstructions[Program->Base.NumInstructions]);
+ &Program->Base.Instructions[Program->Base.NumInstructions]);
}
else {
err = parse_vp_instruction (ctx, &inst, vc_head, Program,
- &Program->VPInstructions[Program->Base.NumInstructions]);
+ &Program->Base.Instructions[Program->Base.NumInstructions]);
}
/* increment instuction count */
}
/* Finally, tag on an OPCODE_END instruction */
- if (Program->Base.Target == GL_FRAGMENT_PROGRAM_ARB) {
- const GLuint numInst = Program->Base.NumInstructions;
- _mesa_init_instruction(Program->FPInstructions + numInst);
- Program->FPInstructions[numInst].Opcode = OPCODE_END;
- /* YYY Wrong Position in program, whatever, at least not random -> crash
- Program->Position = parse_position (&inst);
- */
- Program->FPInstructions[numInst].StringPos = Program->Position;
- }
- else {
+ {
const GLuint numInst = Program->Base.NumInstructions;
- _mesa_init_instruction(Program->VPInstructions + numInst);
- Program->VPInstructions[numInst].Opcode = OPCODE_END;
+ _mesa_init_instruction(Program->Base.Instructions + numInst);
+ Program->Base.Instructions[numInst].Opcode = OPCODE_END;
/* YYY Wrong Position in program, whatever, at least not random -> crash
Program->Position = parse_position (&inst);
*/
- Program->VPInstructions[numInst].StringPos = Program->Position;
+ Program->Base.Instructions[numInst].StringPos = Program->Position;
}
Program->Base.NumInstructions++;
Program->Base.NumNativeParameters = Program->Base.NumParameters;
Program->Base.NumNativeAttributes = Program->Base.NumAttributes;
Program->Base.NumNativeAddressRegs = Program->Base.NumAddressRegs;
- if (Program->Base.Target == GL_FRAGMENT_PROGRAM_ARB) {
- struct fragment_program *fp = (struct fragment_program *) Program;
- fp->NumNativeAluInstructions = fp->NumAluInstructions;
- fp->NumNativeTexInstructions = fp->NumTexInstructions;
- fp->NumNativeTexIndirections = fp->NumTexIndirections;
- }
return err;
}
;
-static int set_reg8 (GLcontext *ctx, grammar id, const byte *name, byte value)
+/**
+ * Set a grammar parameter.
+ * \param name the grammar parameter
+ * \param value the new parameter value
+ * \return 0 if OK, 1 if error
+ */
+static int
+set_reg8 (GLcontext *ctx, grammar id, const char *name, GLubyte value)
{
char error_msg[300];
GLint error_pos;
- if (grammar_set_reg8 (id, name, value))
+ if (grammar_set_reg8 (id, (const byte *) name, value))
return 0;
grammar_get_last_error ((byte *) error_msg, 300, &error_pos);
return 1;
}
-static int extension_is_supported (const GLubyte *ext)
-{
- const GLubyte *extensions = _mesa_GetString(GL_EXTENSIONS);
- const GLubyte *end = extensions + _mesa_strlen ((const char *) extensions);
- const GLint ext_len = (GLint)_mesa_strlen ((const char *) ext);
-
- while (extensions < end)
- {
- const GLubyte *name_end = (const GLubyte *) _mesa_strstr ((const char *) extensions, " ");
- if (name_end == NULL)
- name_end = end;
- if (name_end - extensions == ext_len && _mesa_strncmp ((const char *) ext,
- (const char *) extensions, ext_len) == 0)
- return 1;
- extensions = name_end + 1;
- }
- return 0;
+/**
+ * Enable support for the given language option in the parser.
+ * \return 1 if OK, 0 if error
+ */
+static int
+enable_ext(GLcontext *ctx, grammar id, const char *name)
+{
+ return !set_reg8(ctx, id, name, 1);
}
-static int enable_ext (GLcontext *ctx, grammar id, const byte *name, const byte *extname)
+
+/**
+ * Enable parser extensions based on which OpenGL extensions are supported
+ * by this rendering context.
+ *
+ * \return GL_TRUE if OK, GL_FALSE if error.
+ */
+static GLboolean
+enable_parser_extensions(GLcontext *ctx, grammar id)
{
- if (extension_is_supported (extname))
- if (set_reg8 (ctx, id, name, 0x01))
- return 1;
- return 0;
+#if 0
+ /* These are not supported at this time */
+ if ((ctx->Extensions.ARB_vertex_blend ||
+ ctx->Extensions.EXT_vertex_weighting)
+ && !enable_ext(ctx, id, "vertex_blend"))
+ return GL_FALSE;
+ if (ctx->Extensions.ARB_matrix_palette
+ && !enable_ext(ctx, id, "matrix_palette"))
+ return GL_FALSE;
+ if (ctx->Extensions.ARB_fragment_program_shadow
+ && !enable_ext(ctx, id, "fragment_program_shadow"))
+ return GL_FALSE;
+#endif
+ if (ctx->Extensions.EXT_point_parameters
+ && !enable_ext(ctx, id, "point_parameters"))
+ return GL_FALSE;
+ if (ctx->Extensions.EXT_secondary_color
+ && !enable_ext(ctx, id, "secondary_color"))
+ return GL_FALSE;
+ if (ctx->Extensions.EXT_fog_coord
+ && !enable_ext(ctx, id, "fog_coord"))
+ return GL_FALSE;
+ if (ctx->Extensions.NV_texture_rectangle
+ && !enable_ext(ctx, id, "texture_rectangle"))
+ return GL_FALSE;
+ if (ctx->Extensions.ARB_draw_buffers
+ && !enable_ext(ctx, id, "draw_buffers"))
+ return GL_FALSE;
+
+#if 1
+ /* hack for Warcraft (see bug 8060) */
+ enable_ext(ctx, id, "vertex_blend");
+#endif
+
+ return GL_TRUE;
}
+
/**
* This kicks everything off.
*
* \param program - The arb_program struct to return all the parsed info in
* \return GL_TRUE on sucess, GL_FALSE on error
*/
-GLboolean
-_mesa_parse_arb_program (GLcontext * ctx, const GLubyte * str, GLsizei len,
- struct arb_program * program)
+static GLboolean
+_mesa_parse_arb_program(GLcontext *ctx, GLenum target,
+ const GLubyte *str, GLsizei len,
+ struct arb_program *program)
{
GLint a, err, error_pos;
char error_msg[300];
GLubyte *strz = NULL;
static int arbprogram_syn_is_ok = 0; /* XXX temporary */
+ /* set the program target before parsing */
+ program->Base.Target = target;
+
/* Reset error state */
_mesa_set_program_error(ctx, -1, NULL);
-#if DEBUG_PARSING
- fprintf (stderr, "Loading grammar text!\n");
-#endif
-
- /* check if the arb_grammar_text (arbprogram.syn) is syntactically correct */
+ /* check if arb_grammar_text (arbprogram.syn) is syntactically correct */
if (!arbprogram_syn_is_ok) {
+ /* One-time initialization of parsing system */
grammar grammar_syn_id;
- GLint err;
GLuint parsed_len;
- byte *parsed;
grammar_syn_id = grammar_load_from_text ((byte *) core_grammar_text);
if (grammar_syn_id == 0) {
grammar_get_last_error ((byte *) error_msg, 300, &error_pos);
+ /* XXX this is not a GL error - it's an implementation bug! - FIX */
_mesa_set_program_error (ctx, error_pos, error_msg);
_mesa_error (ctx, GL_INVALID_OPERATION,
- "Error loading grammar rule set");
+ "glProgramStringARB(Error loading grammar rule set)");
return GL_FALSE;
}
- err = grammar_check (grammar_syn_id, (byte *) arb_grammar_text, &parsed, &parsed_len);
+ err = !grammar_check(grammar_syn_id, (byte *) arb_grammar_text,
+ &parsed, &parsed_len);
+
+ /* 'parsed' is unused here */
+ _mesa_free (parsed);
+ parsed = NULL;
/* NOTE: we can't destroy grammar_syn_id right here because
* grammar_destroy() can reset the last error
*/
- if (err == 0) {
+ if (err) {
+ /* XXX this is not a GL error - it's an implementation bug! - FIX */
grammar_get_last_error ((byte *) error_msg, 300, &error_pos);
_mesa_set_program_error (ctx, error_pos, error_msg);
- _mesa_error (ctx, GL_INVALID_OPERATION, "Error loading grammar rule set");
-
+ _mesa_error (ctx, GL_INVALID_OPERATION,
+ "glProgramString(Error loading grammar rule set");
grammar_destroy (grammar_syn_id);
return GL_FALSE;
}
/* create the grammar object */
arbprogram_syn_id = grammar_load_from_text ((byte *) arb_grammar_text);
if (arbprogram_syn_id == 0) {
+ /* XXX this is not a GL error - it's an implementation bug! - FIX */
grammar_get_last_error ((GLubyte *) error_msg, 300, &error_pos);
_mesa_set_program_error (ctx, error_pos, error_msg);
_mesa_error (ctx, GL_INVALID_OPERATION,
- "Error loading grammer rule set");
+ "glProgramString(Error loading grammer rule set)");
return GL_FALSE;
}
/* Set program_target register value */
- if (set_reg8 (ctx, arbprogram_syn_id, (byte *) "program_target",
+ if (set_reg8 (ctx, arbprogram_syn_id, "program_target",
program->Base.Target == GL_FRAGMENT_PROGRAM_ARB ? 0x10 : 0x20)) {
grammar_destroy (arbprogram_syn_id);
return GL_FALSE;
}
- /* Enable all active extensions */
- if (enable_ext (ctx, arbprogram_syn_id,
- (byte *) "vertex_blend", (byte *) "GL_ARB_vertex_blend") ||
- enable_ext (ctx, arbprogram_syn_id,
- (byte *) "vertex_blend", (byte *) "GL_EXT_vertex_weighting") ||
- enable_ext (ctx, arbprogram_syn_id,
- (byte *) "matrix_palette", (byte *) "GL_ARB_matrix_palette") ||
- enable_ext (ctx, arbprogram_syn_id,
- (byte *) "point_parameters", (byte *) "GL_ARB_point_parameters") ||
- enable_ext (ctx, arbprogram_syn_id,
- (byte *) "point_parameters", (byte *) "GL_EXT_point_parameters") ||
- enable_ext (ctx, arbprogram_syn_id,
- (byte *) "secondary_color", (byte *) "GL_EXT_secondary_color") ||
- enable_ext (ctx, arbprogram_syn_id,
- (byte *) "fog_coord", (byte *) "GL_EXT_fog_coord") ||
- enable_ext (ctx, arbprogram_syn_id,
- (byte *) "texture_rectangle", (byte *) "GL_ARB_texture_rectangle") ||
- enable_ext (ctx, arbprogram_syn_id,
- (byte *) "texture_rectangle", (byte *) "GL_EXT_texture_rectangle") ||
- enable_ext (ctx, arbprogram_syn_id,
- (byte *) "texture_rectangle", (byte *) "GL_NV_texture_rectangle") ||
- enable_ext (ctx, arbprogram_syn_id,
- (byte *) "fragment_program_shadow", (byte *) "GL_ARB_fragment_program_shadow") ||
- enable_ext (ctx, arbprogram_syn_id,
- (byte *) "draw_buffers", (byte *) "GL_ARB_draw_buffers")) {
- grammar_destroy (arbprogram_syn_id);
+ if (!enable_parser_extensions(ctx, arbprogram_syn_id)) {
+ grammar_destroy(arbprogram_syn_id);
return GL_FALSE;
}
/* check for NULL character occurences */
{
- int i;
- for (i = 0; i < len; i++)
+ GLint i;
+ for (i = 0; i < len; i++) {
if (str[i] == '\0') {
- _mesa_set_program_error (ctx, i, "invalid character");
- _mesa_error (ctx, GL_INVALID_OPERATION, "Lexical Error");
-
+ program_error(ctx, i, "illegal character");
grammar_destroy (arbprogram_syn_id);
return GL_FALSE;
}
+ }
}
/* copy the program string to a null-terminated string */
strz = (GLubyte *) _mesa_malloc (len + 1);
if (!strz) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glprogramStringARB");
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glProgramStringARB");
+ grammar_destroy (arbprogram_syn_id);
return GL_FALSE;
}
_mesa_memcpy (strz, str, len);
strz[len] = '\0';
-#if DEBUG_PARSING
- fprintf (stderr, "Checking Grammar!\n");
-#endif
/* do a fast check on program string - initial production buffer is 4K */
- err = grammar_fast_check (arbprogram_syn_id, strz, &parsed, &parsed_len, 0x1000);
+ err = !grammar_fast_check(arbprogram_syn_id, strz,
+ &parsed, &parsed_len, 0x1000);
/* Syntax parse error */
- if (err == 0) {
- _mesa_free (strz);
- grammar_get_last_error ((GLubyte *) error_msg, 300, &error_pos);
- _mesa_set_program_error (ctx, error_pos, error_msg);
- _mesa_error (ctx, GL_INVALID_OPERATION, "glprogramStringARB(syntax error)");
+ if (err) {
+ grammar_get_last_error((GLubyte *) error_msg, 300, &error_pos);
+ program_error(ctx, error_pos, error_msg);
- /* useful for debugging */
#if DEBUG_PARSING
+ /* useful for debugging */
do {
int line, col;
char *s;
fprintf(stderr, "program: %s\n", (char *) strz);
fprintf(stderr, "Error Pos: %d\n", ctx->program.ErrorPos);
- s = (char *) _mesa_find_line_column(strz, strz+ctx->program.ErrorPos, &line, &col);
+ s = (char *) _mesa_find_line_column(strz, strz+ctx->program.ErrorPos,
+ &line, &col);
fprintf(stderr, "line %d col %d: %s\n", line, col, s);
} while (0)
#endif
+ _mesa_free(strz);
+ _mesa_free(parsed);
+
grammar_destroy (arbprogram_syn_id);
return GL_FALSE;
}
-#if DEBUG_PARSING
- fprintf (stderr, "Destroying grammer dict [parse retval: %d]\n", err);
-#endif
grammar_destroy (arbprogram_syn_id);
+ /*
+ * Program string is syntactically correct at this point
+ * Parse the tokenized version of the program now, generating
+ * vertex/fragment program instructions.
+ */
+
/* Initialize the arb_program struct */
program->Base.String = strz;
+ program->Base.Instructions = _mesa_alloc_instructions(MAX_INSTRUCTIONS);
program->Base.NumInstructions =
program->Base.NumTemporaries =
program->Base.NumParameters =
program->NumAluInstructions =
program->NumTexInstructions =
program->NumTexIndirections = 0;
-
program->UsesKill = 0;
vc_head = NULL;
/* Check the grammer rev */
if (*inst++ != REVISION) {
- _mesa_set_program_error (ctx, 0, "Grammar version mismatch");
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glProgramStringARB(Grammar version mismatch)");
+ program_error (ctx, 0, "Grammar version mismatch");
err = GL_TRUE;
}
else {
/* ignore program target */
inst++;
-
- err = parse_arb_program (ctx, inst, &vc_head, program);
-#if DEBUG_PARSING
- fprintf (stderr, "Symantic analysis returns %d [1 is bad!]\n", err);
-#endif
+ err = parse_instructions(ctx, inst, &vc_head, program);
}
/*debug_variables(ctx, vc_head, program); */
var_cache_destroy (&vc_head);
_mesa_free (parsed);
-#if DEBUG_PARSING
- fprintf (stderr, "_mesa_parse_arb_program() done\n");
-#endif
+
+ /* Reallocate the instruction array from size [MAX_INSTRUCTIONS]
+ * to size [ap.Base.NumInstructions].
+ */
+ program->Base.Instructions
+ = _mesa_realloc_instructions(program->Base.Instructions,
+ MAX_INSTRUCTIONS,
+ program->Base.NumInstructions);
return !err;
}
+
+
+
+void
+_mesa_parse_arb_fragment_program(GLcontext* ctx, GLenum target,
+ const GLvoid *str, GLsizei len,
+ struct gl_fragment_program *program)
+{
+ struct arb_program ap;
+ GLuint i;
+
+ ASSERT(target == GL_FRAGMENT_PROGRAM_ARB);
+ if (!_mesa_parse_arb_program(ctx, target, (const GLubyte*) str, len, &ap)) {
+ /* Error in the program. Just return. */
+ return;
+ }
+
+ /* Copy the relevant contents of the arb_program struct into the
+ * fragment_program struct.
+ */
+ program->Base.String = ap.Base.String;
+ program->Base.NumInstructions = ap.Base.NumInstructions;
+ program->Base.NumTemporaries = ap.Base.NumTemporaries;
+ program->Base.NumParameters = ap.Base.NumParameters;
+ program->Base.NumAttributes = ap.Base.NumAttributes;
+ program->Base.NumAddressRegs = ap.Base.NumAddressRegs;
+ program->Base.NumNativeInstructions = ap.Base.NumNativeInstructions;
+ program->Base.NumNativeTemporaries = ap.Base.NumNativeTemporaries;
+ program->Base.NumNativeParameters = ap.Base.NumNativeParameters;
+ program->Base.NumNativeAttributes = ap.Base.NumNativeAttributes;
+ program->Base.NumNativeAddressRegs = ap.Base.NumNativeAddressRegs;
+ program->NumAluInstructions = ap.NumAluInstructions;
+ program->NumTexInstructions = ap.NumTexInstructions;
+ program->NumTexIndirections = ap.NumTexIndirections;
+ program->NumNativeAluInstructions = ap.NumAluInstructions;
+ program->NumNativeTexInstructions = ap.NumTexInstructions;
+ program->NumNativeTexIndirections = ap.NumTexIndirections;
+ program->Base.InputsRead = ap.Base.InputsRead;
+ program->Base.OutputsWritten = ap.Base.OutputsWritten;
+ for (i = 0; i < MAX_TEXTURE_IMAGE_UNITS; i++)
+ program->TexturesUsed[i] = ap.TexturesUsed[i];
+ program->FogOption = ap.FogOption;
+
+ if (program->Base.Instructions)
+ _mesa_free(program->Base.Instructions);
+ program->Base.Instructions = ap.Base.Instructions;
+
+ if (program->Base.Parameters)
+ _mesa_free_parameter_list(program->Base.Parameters);
+ program->Base.Parameters = ap.Base.Parameters;
+
+#if DEBUG_FP
+ _mesa_print_program(&program.Base);
+#endif
+}
+
+
+
+/**
+ * Parse the vertex program string. If success, update the given
+ * vertex_program object with the new program. Else, leave the vertex_program
+ * object unchanged.
+ */
+void
+_mesa_parse_arb_vertex_program(GLcontext *ctx, GLenum target,
+ const GLvoid *str, GLsizei len,
+ struct gl_vertex_program *program)
+{
+ struct arb_program ap;
+
+ ASSERT(target == GL_VERTEX_PROGRAM_ARB);
+
+ if (!_mesa_parse_arb_program(ctx, target, (const GLubyte*) str, len, &ap)) {
+ /* Error in the program. Just return. */
+ return;
+ }
+
+ /* Copy the relevant contents of the arb_program struct into the
+ * vertex_program struct.
+ */
+ program->Base.String = ap.Base.String;
+ program->Base.NumInstructions = ap.Base.NumInstructions;
+ program->Base.NumTemporaries = ap.Base.NumTemporaries;
+ program->Base.NumParameters = ap.Base.NumParameters;
+ program->Base.NumAttributes = ap.Base.NumAttributes;
+ program->Base.NumAddressRegs = ap.Base.NumAddressRegs;
+ program->Base.NumNativeInstructions = ap.Base.NumNativeInstructions;
+ program->Base.NumNativeTemporaries = ap.Base.NumNativeTemporaries;
+ program->Base.NumNativeParameters = ap.Base.NumNativeParameters;
+ program->Base.NumNativeAttributes = ap.Base.NumNativeAttributes;
+ program->Base.NumNativeAddressRegs = ap.Base.NumNativeAddressRegs;
+ program->Base.InputsRead = ap.Base.InputsRead;
+ program->Base.OutputsWritten = ap.Base.OutputsWritten;
+ program->IsPositionInvariant = ap.HintPositionInvariant;
+
+ if (program->Base.Instructions)
+ _mesa_free(program->Base.Instructions);
+ program->Base.Instructions = ap.Base.Instructions;
+
+ if (program->Base.Parameters)
+ _mesa_free_parameter_list(program->Base.Parameters);
+ program->Base.Parameters = ap.Base.Parameters;
+
+#if DEBUG_VP
+ _mesa_print_program(&program->Base);
+#endif
+}
projects / mesa.git / blobdiff