/*
* Mesa 3-D graphics library
- * Version: 6.1
+ * Version: 6.5.1
*
- * 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"),
* \author Karl Rasche
*/
-#include "mtypes.h"
#include "glheader.h"
-#include "context.h"
-#include "hash.h"
#include "imports.h"
-#include "macros.h"
-#include "program.h"
-#include "nvvertprog.h"
-#include "nvfragprog.h"
#include "arbprogparse.h"
#include "grammar_mesa.h"
+#include "program.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;
+};
+
+
/* TODO:
* Fragment Program Stuff:
typedef GLubyte *production;
+
/**
* This is the text describing the rules to parse the grammar
*/
-static char arb_grammar_text[] =
+LONGSTRING static char arb_grammar_text[] =
#include "arbprogram_syn.h"
;
- changed and merged V_* and F_* opcode values to OP_*.
- added GL_ARB_fragment_program_shadow specific tokens (michal)
*/
-#define REVISION 0x07
+#define REVISION 0x09
/* program type */
#define FRAGMENT_PROGRAM 0x01
#define DECLARATION 0x03
#define END 0x04
-/* GL_ARB_fragment_program option flags */
-#define ARB_PRECISION_HINT_FASTEST 0x01
-#define ARB_PRECISION_HINT_NICEST 0x02
-#define ARB_FOG_EXP 0x04
-#define ARB_FOG_EXP2 0x08
-#define ARB_FOG_LINEAR 0x10
+/* GL_ARB_fragment_program option */
+#define ARB_PRECISION_HINT_FASTEST 0x00
+#define ARB_PRECISION_HINT_NICEST 0x01
+#define ARB_FOG_EXP 0x02
+#define ARB_FOG_EXP2 0x03
+#define ARB_FOG_LINEAR 0x04
+
+/* GL_ARB_vertex_program option */
+#define ARB_POSITION_INVARIANT 0x05
-/* GL_ARB_vertex_program option flags */
-#define ARB_POSITION_INVARIANT 0x20
+/* GL_ARB_fragment_program_shadow option */
+#define ARB_FRAGMENT_PROGRAM_SHADOW 0x06
-/* GL_ARB_fragment_program_shadow option flags */
-#define ARB_FRAGMENT_PROGRAM_SHADOW 0x40
+/* GL_ARB_draw_buffers option */
+#define ARB_DRAW_BUFFERS 0x07
/* GL_ARB_fragment_program instruction class */
#define OP_ALU_INST 0x00
} var_type;
-/*
- * Setting an explicit field for each of the binding properties is a bit wasteful
- * of space, but it should be much more clear when reading later on..
+/**
+ * Setting an explicit field for each of the binding properties is a bit
+ * wasteful of space, but it should be much more clear when reading later on..
*/
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 */
GLuint attrib_binding; /* For type vt_attrib, see nvfragprog.h for values */
- GLuint attrib_binding_idx; /* The index into the attrib register file corresponding
- * to the state in attrib_binding */
GLuint attrib_is_generic; /* If the attrib was specified through a generic
* vertex attrib */
GLuint temp_binding; /* The index of the temp register we are to use */
- GLuint output_binding; /* For type vt_output, see nvfragprog.h for values */
- GLuint output_binding_idx; /* This is the index into the result register file
- * corresponding to the bound result state */
+ GLuint output_binding; /* Output/result register number */
struct var_cache *alias_binding; /* For type vt_alias, points to the var_cache entry
* that this is aliased to */
GLuint param_binding_type; /* {PROGRAM_STATE_VAR, PROGRAM_LOCAL_PARAM,
(**va).attrib_is_generic = 0;
(**va).temp_binding = ~0;
(**va).output_binding = ~0;
- (**va).output_binding_idx = ~0;
(**va).param_binding_type = ~0;
(**va).param_binding_begin = ~0;
(**va).param_binding_length = ~0;
}
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;
+ /*struct var_cache *first = va;*/
while (va) {
- if (!strcmp ( (const char*) name, (const char*) va->name)) {
+ if (!_mesa_strcmp ( (const char*) name, (const char*) va->name)) {
if (va->type == vt_alias)
- return var_cache_find (first, va->name);
+ return va->alias_binding;
return 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;
*inst += _mesa_strlen ((char *) i) + 1;
*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 (char *) i;
* \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;
}
/**
- */
-static GLfloat
-parse_float (GLubyte ** inst, struct arb_program *Program)
+ Accumulate this string of digits, and return them as
+ a large integer represented in floating point (for range).
+ If scale is not NULL, also accumulates a power-of-ten
+ integer scale factor that represents the number of digits
+ in the string.
+*/
+static GLdouble
+parse_float_string(const GLubyte ** inst, struct arb_program *Program, GLdouble *scale)
{
- GLint tmp[5], denom;
- GLuint leading_zeros =0;
- GLfloat value = 0;
-
- tmp[1] = parse_integer (inst, Program); /* This is the integer portion of the number */
+ GLdouble value = 0.0;
+ GLdouble oscale = 1.0;
- /* Now we grab the fractional portion of the number (the digits after
- * the .). We can have leading 0's here, which parse_integer will ignore,
- * so we'll check for those first
- */
- while ((**inst == '0') && ( *(*inst+1) != 0))
- {
- leading_zeros++;
- (*inst)++;
+ if (**inst == 0) { /* this string of digits is empty-- do nothing */
+ (*inst)++;
}
- tmp[2] = parse_integer (inst, Program); /* This is the fractional portion of the number */
- tmp[3] = parse_sign (inst); /* This is the sign of the exponent */
- tmp[4] = parse_integer (inst, Program); /* This is the exponent */
-
- value = (GLfloat) tmp[1];
- denom = 1;
- while (denom < tmp[2])
- denom *= 10;
- denom *= (GLint) _mesa_pow( 10, leading_zeros );
- value += (GLfloat) tmp[2] / (GLfloat) denom;
-
- value *= (GLfloat) _mesa_pow (10, (GLfloat) tmp[3] * (GLfloat) tmp[4]);
-
+ else { /* nonempty string-- parse out the digits */
+ while (**inst >= '0' && **inst <= '9') {
+ GLubyte digit = *((*inst)++);
+ value = value * 10.0 + (GLint) (digit - '0');
+ oscale *= 10.0;
+ }
+ assert(**inst == 0); /* integer string should end with 0 */
+ (*inst)++; /* skip over terminating 0 */
+ Program->Position = parse_position(inst); /* skip position (from integer) */
+ }
+ if (scale)
+ *scale = oscale;
return value;
}
+/**
+ Parse an unsigned floating-point number from this stream of tokenized
+ characters. Example floating-point formats supported:
+ 12.34
+ 12
+ 0.34
+ .34
+ 12.34e-4
+ */
+static GLfloat
+parse_float (const GLubyte ** inst, struct arb_program *Program)
+{
+ GLint exponent;
+ GLdouble whole, fraction, fracScale = 1.0;
+
+ whole = parse_float_string(inst, Program, 0);
+ fraction = parse_float_string(inst, Program, &fracScale);
+
+ /* Parse signed exponent */
+ exponent = parse_integer(inst, Program); /* This is the exponent */
+
+ /* Assemble parts of floating-point number: */
+ return (GLfloat) ((whole + fraction / fracScale) *
+ _mesa_pow(10.0, (GLfloat) exponent));
+}
+
/**
*/
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);
- if ((*offset > 63) || (*offset < -64)) {
- _mesa_set_program_error (ctx, Program->Position,
- "Relative offset out of range");
- _mesa_error (ctx, GL_INVALID_OPERATION, "Relative offset %d out of range",
- *offset);
- return 1;
- }
-
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;
*color = *(*inst)++ != COLOR_PRIMARY;
return 0;
}
* \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;
}
}
+/**
+ * \param color The index of the color buffer to write into
+ * \return 0 on sucess, 1 on error
+ */
+static GLuint
+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)) {
+ program_error(ctx, Program->Position, "Invalid draw buffer index");
+ return 1;
+ }
+
+ *color = (GLuint) i;
+ return 0;
+}
+
+
/**
* \param coord The texture unit index
* \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 >= ctx->Const.MaxTextureUnits)) {
- _mesa_set_program_error (ctx, Program->Position,
- "Invalid texture unit index");
- _mesa_error (ctx, GL_INVALID_OPERATION, "Invalid texture unit index");
+ if ((i < 0) || (i >= (int)ctx->Const.MaxTextureUnits)) {
+ 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)
/* Check state_tokens[2] against the number of ENV parameters available */
if (((Program->Base.Target == GL_FRAGMENT_PROGRAM_ARB) &&
- (state_tokens[2] >= (GLint) ctx->Const.MaxFragmentProgramEnvParams))
+ (state_tokens[2] >= (GLint) ctx->Const.FragmentProgram.MaxEnvParams))
||
((Program->Base.Target == GL_VERTEX_PROGRAM_ARB) &&
- (state_tokens[2] >= (GLint) ctx->Const.MaxVertexProgramEnvParams))) {
- _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]);
+ (state_tokens[2] >= (GLint) ctx->Const.VertexProgram.MaxEnvParams))) {
+ program_error(ctx, Program->Position,
+ "Invalid Program Env Parameter");
+ /* bad state_tokens[2] */
return 1;
}
/* Check state_tokens[2] against the number of LOCAL parameters available */
if (((Program->Base.Target == GL_FRAGMENT_PROGRAM_ARB) &&
- (state_tokens[2] >= (GLint) ctx->Const.MaxFragmentProgramLocalParams))
+ (state_tokens[2] >= (GLint) ctx->Const.FragmentProgram.MaxLocalParams))
||
((Program->Base.Target == GL_VERTEX_PROGRAM_ARB) &&
- (state_tokens[2] >= (GLint) ctx->Const.MaxVertexProgramLocalParams))) {
- _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]);
+ (state_tokens[2] >= (GLint) ctx->Const.VertexProgram.MaxLocalParams))) {
+ program_error(ctx, Program->Position,
+ "Invalid Program Local Parameter");
+ /* bad state_tokens[2] */
return 1;
}
break;
while (curr) {
if (curr->type == vt_attrib) {
if (curr->attrib_is_generic)
- genericAttrib[ curr->attrib_binding_idx ] = GL_TRUE;
+ genericAttrib[ curr->attrib_binding ] = GL_TRUE;
else
- explicitAttrib[ curr->attrib_binding_idx ] = GL_TRUE;
+ explicitAttrib[ curr->attrib_binding ] = GL_TRUE;
}
curr = curr->next;
/**
* This will handle the binding side of an ATTRIB var declaration
*
- * \param binding - the fragment input register state, defined in nvfragprog.h
- * \param binding_idx - the index in the attrib register file that binding is associated with
- * \return returns 0 on sucess, 1 on error
- *
- * See nvfragparse.c for attrib register file layout
+ * \param inputReg returns the input register index, one of the
+ * VERT_ATTRIB_* or FRAG_ATTRIB_* values.
+ * \return returns 0 on success, 1 on error
*/
static GLuint
-parse_attrib_binding (GLcontext * ctx, GLubyte ** inst,
- struct arb_program *Program, GLuint * binding,
- GLuint * binding_idx, GLuint *is_generic)
+parse_attrib_binding(GLcontext * ctx, const GLubyte ** inst,
+ struct arb_program *Program,
+ GLuint *inputReg, GLuint *is_generic)
{
- GLuint texcoord;
- GLint coord;
GLint err = 0;
*is_generic = 0;
+
if (Program->Base.Target == GL_FRAGMENT_PROGRAM_ARB) {
switch (*(*inst)++) {
case FRAGMENT_ATTRIB_COLOR:
- err = parse_color_type (ctx, inst, Program, &coord);
- *binding = FRAG_ATTRIB_COL0 + coord;
- *binding_idx = 1 + coord;
+ {
+ GLint coord;
+ err = parse_color_type (ctx, inst, Program, &coord);
+ *inputReg = FRAG_ATTRIB_COL0 + coord;
+ }
break;
-
case FRAGMENT_ATTRIB_TEXCOORD:
- err = parse_texcoord_num (ctx, inst, Program, &texcoord);
- *binding = FRAG_ATTRIB_TEX0 + texcoord;
- *binding_idx = 4 + texcoord;
+ {
+ GLuint texcoord;
+ err = parse_texcoord_num (ctx, inst, Program, &texcoord);
+ *inputReg = FRAG_ATTRIB_TEX0 + texcoord;
+ }
break;
-
case FRAGMENT_ATTRIB_FOGCOORD:
- *binding = FRAG_ATTRIB_FOGC;
- *binding_idx = 3;
+ *inputReg = FRAG_ATTRIB_FOGC;
break;
-
case FRAGMENT_ATTRIB_POSITION:
- *binding = FRAG_ATTRIB_WPOS;
- *binding_idx = 0;
+ *inputReg = FRAG_ATTRIB_WPOS;
break;
-
default:
err = 1;
break;
else {
switch (*(*inst)++) {
case VERTEX_ATTRIB_POSITION:
- *binding = VERT_ATTRIB_POS;
- *binding_idx = 0;
+ *inputReg = VERT_ATTRIB_POS;
break;
case VERTEX_ATTRIB_WEIGHT:
{
GLint weight;
-
err = parse_weight_num (ctx, inst, Program, &weight);
- *binding = VERT_ATTRIB_WEIGHT;
- *binding_idx = 1;
+ *inputReg = VERT_ATTRIB_WEIGHT;
+#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
}
- _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");
- return 1;
- break;
case VERTEX_ATTRIB_NORMAL:
- *binding = VERT_ATTRIB_NORMAL;
- *binding_idx = 2;
+ *inputReg = VERT_ATTRIB_NORMAL;
break;
case VERTEX_ATTRIB_COLOR:
{
GLint color;
-
err = parse_color_type (ctx, inst, Program, &color);
if (color) {
- *binding = VERT_ATTRIB_COLOR1;
- *binding_idx = 4;
+ *inputReg = VERT_ATTRIB_COLOR1;
}
else {
- *binding = VERT_ATTRIB_COLOR0;
- *binding_idx = 3;
+ *inputReg = VERT_ATTRIB_COLOR0;
}
}
break;
case VERTEX_ATTRIB_FOGCOORD:
- *binding = VERT_ATTRIB_FOG;
- *binding_idx = 5;
+ *inputReg = VERT_ATTRIB_FOG;
break;
case VERTEX_ATTRIB_TEXCOORD:
{
GLuint unit;
-
err = parse_texcoord_num (ctx, inst, Program, &unit);
- *binding = VERT_ATTRIB_TEX0 + unit;
- *binding_idx = 8 + unit;
+ *inputReg = VERT_ATTRIB_TEX0 + unit;
}
break;
- /* It looks like we don't support this at all, atm */
case VERTEX_ATTRIB_MATRIXINDEX:
- parse_integer (inst, Program);
- _mesa_set_program_error (ctx, Program->Position,
- "ARB_palette_matrix not supported");
- _mesa_error (ctx, GL_INVALID_OPERATION,
- "ARB_palette_matrix not supported");
+ /* Not supported at this time */
+ {
+ const char *msg = "ARB_palette_matrix not supported";
+ parse_integer (inst, Program);
+ program_error(ctx, Program->Position, msg);
+ }
return 1;
- break;
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;
- switch (attrib) {
- case 0:
- *binding = VERT_ATTRIB_POS;
- break;
- case 1:
- *binding = VERT_ATTRIB_WEIGHT;
- break;
- case 2:
- *binding = VERT_ATTRIB_NORMAL;
- break;
- case 3:
- *binding = VERT_ATTRIB_COLOR0;
- break;
- case 4:
- *binding = VERT_ATTRIB_COLOR1;
- break;
- case 5:
- *binding = VERT_ATTRIB_FOG;
- break;
- case 6:
- break;
- case 7:
- break;
- default:
- *binding = VERT_ATTRIB_TEX0 + (attrib-8);
- break;
- }
- *binding_idx = 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) {
- _mesa_set_program_error (ctx, Program->Position,
- "Bad attribute binding");
- _mesa_error (ctx, GL_INVALID_OPERATION, "Bad attribute binding");
+ program_error(ctx, Program->Position, "Bad attribute binding");
}
- Program->InputsRead |= (1 << *binding_idx);
+ Program->Base.InputsRead |= (1 << *inputReg);
return err;
}
+
/**
* This translates between a binary token for an output variable type
* and the mesa token for the same thing.
*
- *
- * XXX: What is the 'name' for vertex program state? -> do we need it?
- * I don't think we do;
- *
- * See nvfragprog.h for definitions
- *
- * \param inst - The parsed tokens
- * \param binding - The name of the state we are binding too
- * \param binding_idx - The index into the result register file that this is bound too
- *
- * See nvfragparse.c for the register file layout for fragment programs
- * See nvvertparse.c for the register file layout for vertex programs
+ * \param inst The parsed tokens
+ * \param outputReg Returned index/number of the output register,
+ * one of the VERT_RESULT_* or FRAG_RESULT_* values.
*/
static GLuint
-parse_result_binding (GLcontext * ctx, GLubyte ** inst, GLuint * binding,
- GLuint * binding_idx, struct arb_program *Program)
+parse_result_binding(GLcontext *ctx, const GLubyte **inst,
+ GLuint *outputReg, struct arb_program *Program)
{
- GLuint b;
+ const GLubyte token = *(*inst)++;
- switch (*(*inst)++) {
+ switch (token) {
case FRAGMENT_RESULT_COLOR:
- /* for frag programs, this is FRAGMENT_RESULT_COLOR */
if (Program->Base.Target == GL_FRAGMENT_PROGRAM_ARB) {
- *binding = FRAG_OUTPUT_COLR;
- *binding_idx = 0;
+ GLuint out_color;
+
+ /* This gets result of the color buffer we're supposed to
+ * draw into. This pertains to GL_ARB_draw_buffers.
+ */
+ parse_output_color_num(ctx, inst, Program, &out_color);
+ ASSERT(out_color < MAX_DRAW_BUFFERS);
+ *outputReg = FRAG_RESULT_COLR;
}
- /* for vtx programs, this is VERTEX_RESULT_POSITION */
else {
- *binding_idx = 0;
+ /* for vtx programs, this is VERTEX_RESULT_POSITION */
+ *outputReg = VERT_RESULT_HPOS;
}
break;
case FRAGMENT_RESULT_DEPTH:
- /* for frag programs, this is FRAGMENT_RESULT_DEPTH */
if (Program->Base.Target == GL_FRAGMENT_PROGRAM_ARB) {
- *binding = FRAG_OUTPUT_DEPR;
- *binding_idx = 2;
+ /* for frag programs, this is FRAGMENT_RESULT_DEPTH */
+ *outputReg = FRAG_RESULT_DEPR;
}
- /* for vtx programs, this is VERTEX_RESULT_COLOR */
else {
+ /* for vtx programs, this is VERTEX_RESULT_COLOR */
GLint color_type;
GLuint face_type = parse_face_type(inst);
- GLint color_type_ret = parse_color_type(ctx, inst, Program, &color_type);
+ GLint err = parse_color_type(ctx, inst, Program, &color_type);
+ if (err)
+ return 1;
- /* back face */
if (face_type) {
- if (color_type_ret) return 1;
-
- /* secondary color */
+ /* back face */
if (color_type) {
- *binding_idx = 4;
+ *outputReg = VERT_RESULT_BFC1; /* secondary color */
}
- /* primary color */
else {
- *binding_idx = 3;
+ *outputReg = VERT_RESULT_BFC0; /* primary color */
}
}
- /* front face */
else {
- /* secondary color */
+ /* front face */
if (color_type) {
- *binding_idx = 2;
+ *outputReg = VERT_RESULT_COL1; /* secondary color */
}
/* primary color */
else {
- *binding_idx = 1;
+ *outputReg = VERT_RESULT_COL0; /* primary color */
}
}
}
break;
case VERTEX_RESULT_FOGCOORD:
- *binding_idx = 5;
+ *outputReg = VERT_RESULT_FOGC;
break;
case VERTEX_RESULT_POINTSIZE:
- *binding_idx = 6;
+ *outputReg = VERT_RESULT_PSIZ;
break;
case VERTEX_RESULT_TEXCOORD:
- if (parse_texcoord_num (ctx, inst, Program, &b))
- return 1;
- *binding_idx = 7 + b;
+ {
+ GLuint unit;
+ if (parse_texcoord_num (ctx, inst, Program, &unit))
+ return 1;
+ *outputReg = VERT_RESULT_TEX0 + unit;
+ }
break;
}
- Program->OutputsWritten |= (1 << *binding_idx);
+ Program->Base.OutputsWritten |= (1 << *outputReg);
return 0;
}
+
/**
* This handles the declaration of ATTRIB variables
*
* \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;
}
attrib_var->type = vt_attrib;
- /* I think this is ok now - karl */
- /* XXX: */
- /*if (Program->type == GL_FRAGMENT_PROGRAM_ARB) */
- {
- if (parse_attrib_binding
- (ctx, inst, Program, &attrib_var->attrib_binding,
- &attrib_var->attrib_binding_idx, &attrib_var->attrib_is_generic))
- 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");
- return 1;
- }
+ if (parse_attrib_binding(ctx, inst, Program, &attrib_var->attrib_binding,
+ &attrib_var->attrib_is_generic))
+ return 1;
+ if (generic_attrib_check(*vc_head)) {
+ program_error(ctx, Program->Position,
+ "Cannot use both a generic vertex attribute "
+ "and a specific attribute of the same type");
+ return 1;
}
Program->Base.NumAttributes++;
* 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)
{
GLint idx;
- GLuint err;
+ GLuint err = 0;
GLint state_tokens[6];
GLfloat const_values[4];
- err = 0;
-
switch (*(*inst)++) {
case PARAM_STATE_ELEMENT:
-
if (parse_state_single_item (ctx, inst, Program, state_tokens))
return 1;
for (row = first_row; row <= last_row; row++) {
state_tokens[3] = state_tokens[4] = row;
- idx =
- _mesa_add_state_reference (Program->Parameters,
- state_tokens);
+ idx = _mesa_add_state_reference(Program->Base.Parameters,
+ state_tokens);
if (param_var->param_binding_begin == ~0U)
param_var->param_binding_begin = idx;
param_var->param_binding_length++;
}
}
else {
- idx =
- _mesa_add_state_reference (Program->Parameters, state_tokens);
+ idx = _mesa_add_state_reference(Program->Base.Parameters,
+ state_tokens);
if (param_var->param_binding_begin == ~0U)
param_var->param_binding_begin = idx;
param_var->param_binding_length++;
break;
case PARAM_PROGRAM_ELEMENT:
-
if (parse_program_single_item (ctx, inst, Program, state_tokens))
return 1;
- idx = _mesa_add_state_reference (Program->Parameters, state_tokens);
+ idx = _mesa_add_state_reference (Program->Base.Parameters, state_tokens);
if (param_var->param_binding_begin == ~0U)
param_var->param_binding_begin = idx;
param_var->param_binding_length++;
out_of_range = 0;
if (Program->Base.Target == GL_FRAGMENT_PROGRAM_ARB) {
if (((state_tokens[1] == STATE_ENV)
- && (end_idx >= ctx->Const.MaxFragmentProgramEnvParams))
+ && (end_idx >= ctx->Const.FragmentProgram.MaxEnvParams))
|| ((state_tokens[1] == STATE_LOCAL)
&& (end_idx >=
- ctx->Const.MaxFragmentProgramLocalParams)))
+ ctx->Const.FragmentProgram.MaxLocalParams)))
out_of_range = 1;
}
else {
if (((state_tokens[1] == STATE_ENV)
- && (end_idx >= ctx->Const.MaxVertexProgramEnvParams))
+ && (end_idx >= ctx->Const.VertexProgram.MaxEnvParams))
|| ((state_tokens[1] == STATE_LOCAL)
&& (end_idx >=
- ctx->Const.MaxVertexProgramLocalParams)))
+ ctx->Const.VertexProgram.MaxLocalParams)))
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;
}
for (new_idx = start_idx; new_idx <= end_idx; new_idx++) {
state_tokens[2] = new_idx;
- idx =
- _mesa_add_state_reference (Program->Parameters,
- state_tokens);
+ idx = _mesa_add_state_reference(Program->Base.Parameters,
+ state_tokens);
param_var->param_binding_length++;
Program->Base.NumParameters++;
}
}
- else
- {
- (*inst)++;
- }
+ else {
+ (*inst)++;
+ }
break;
case PARAM_CONSTANT:
parse_constant (inst, const_values, Program, use);
- idx =
- _mesa_add_named_constant (Program->Parameters,
- (char *) param_var->name, const_values);
+ idx = _mesa_add_named_constant(Program->Base.Parameters,
+ (char *) param_var->name,
+ const_values, 4);
if (param_var->param_binding_begin == ~0U)
param_var->param_binding_begin = idx;
param_var->param_binding_length++;
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;
}
/* Make sure we haven't blown past our parameter limits */
if (((Program->Base.Target == GL_VERTEX_PROGRAM_ARB) &&
(Program->Base.NumParameters >=
- ctx->Const.MaxVertexProgramLocalParams))
+ ctx->Const.VertexProgram.MaxLocalParams))
|| ((Program->Base.Target == GL_FRAGMENT_PROGRAM_ARB)
&& (Program->Base.NumParameters >=
- ctx->Const.MaxFragmentProgramLocalParams))) {
- _mesa_set_program_error (ctx, Program->Position,
- "Too many parameter variables");
- _mesa_error (ctx, GL_INVALID_OPERATION, "Too many parameter variables");
+ ctx->Const.FragmentProgram.MaxLocalParams))) {
+ program_error(ctx, Program->Position, "Too many parameter variables");
return 1;
}
return err;
}
+
/**
* This picks out PARAM program parameter bindings.
*
* \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;
GLint specified_length;
- char *error_msg;
struct var_cache *param_var;
err = 0;
Program->Position = parse_position (inst);
if (found) {
- error_msg = (char *) _mesa_malloc (_mesa_strlen ((char *) param_var->name) + 40);
+ char *error_msg = (char *)
+ _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 != param_var->param_binding_length) {
- _mesa_set_program_error (ctx, Program->Position,
- "Declared parameter array lenght does not match parameter list");
- _mesa_error (ctx, GL_INVALID_OPERATION,
- "Declared parameter array lenght does not match parameter list");
+ if (specified_length != (int)param_var->param_binding_length) {
+ 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;
struct var_cache *temp_var;
- char *error_msg;
while (**inst != 0) {
temp_var = parse_string (inst, vc_head, Program, &found);
Program->Position = parse_position (inst);
if (found) {
- error_msg = (char *)
+ char *error_msg = (char *)
_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.Target == GL_FRAGMENT_PROGRAM_ARB) &&
(Program->Base.NumTemporaries >=
- ctx->Const.MaxFragmentProgramTemps))
+ ctx->Const.FragmentProgram.MaxTemps))
|| ((Program->Base.Target == GL_VERTEX_PROGRAM_ARB)
&& (Program->Base.NumTemporaries >=
- ctx->Const.MaxVertexProgramTemps))) {
- _mesa_set_program_error (ctx, Program->Position,
- "Too many TEMP variables declared");
- _mesa_error (ctx, GL_INVALID_OPERATION,
- "Too many TEMP variables declared");
+ ctx->Const.VertexProgram.MaxTemps))) {
+ 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;
struct var_cache *output_var;
+ GLuint err;
output_var = parse_string (inst, vc_head, Program, &found);
Program->Position = parse_position (inst);
if (found) {
- char *error_msg;
- error_msg = (char *)
+ char *error_msg = (char *)
_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;
}
output_var->type = vt_output;
- return parse_result_binding (ctx, inst, &output_var->output_binding,
- &output_var->output_binding_idx, Program);
+
+ err = parse_result_binding(ctx, inst, &output_var->output_binding, Program);
+ return err;
}
/**
* \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;
struct var_cache *temp_var;
- char *error_msg;
-
temp_var = parse_string (inst, vc_head, Program, &found);
Program->Position = parse_position (inst);
if (found) {
- error_msg = (char *)
+ char *error_msg = (char *)
_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 (!found)
{
- error_msg = (char *)
+ char *error_msg = (char *)
_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;
struct var_cache *temp_var;
- char *error_msg;
while (**inst != 0) {
temp_var = parse_string (inst, vc_head, Program, &found);
Program->Position = parse_position (inst);
if (found) {
- error_msg = (char *)
+ char *error_msg = (char *)
_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;
}
temp_var->type = vt_address;
if (Program->Base.NumAddressRegs >=
- ctx->Const.MaxVertexProgramAddressRegs) {
- _mesa_set_program_error (ctx, Program->Position,
- "Too many ADDRESS variables declared");
- _mesa_error (ctx, GL_INVALID_OPERATION,
- "Too many ADDRESS variables declared");
+ ctx->Const.VertexProgram.MaxAddressRegs) {
+ const char *msg = "Too many ADDRESS variables declared";
+ 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;
}
/**
- * Handle the parsing out of a masked destination register
+ * Handle the parsing out of a masked destination register, either for a
+ * vertex or fragment program.
*
* If we are a vertex program, make sure we don't write to
- * result.position of we have specified that the program is
+ * result.position if we have specified that the program is
* position invariant
*
* \param File - The register file we write to
* \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,
- GLint * File, GLint * Index, GLboolean * WriteMask)
+ enum register_file *File, GLuint *Index, GLint *WriteMask)
{
- GLuint result;
- GLubyte mask;
+ GLuint tmp, result;
struct var_cache *dst;
/* We either have a result register specified, or a
*/
switch (*(*inst)++) {
case REGISTER_RESULT:
- if (parse_result_binding
- (ctx, inst, &result, (GLuint *) Index, Program))
+ if (parse_result_binding(ctx, inst, Index, Program))
return 1;
*File = PROGRAM_OUTPUT;
break;
/* 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;
}
switch (dst->type) {
case vt_output:
*File = PROGRAM_OUTPUT;
- *Index = dst->output_binding_idx;
+ *Index = dst->output_binding;
break;
case vt_temp:
/* 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");
}*/
* z,b -> bit 1
* y,g -> bit 2
* x,r -> bit 3
+ *
+ * ==> Need to reverse the order of bits for this!
*/
- mask = *(*inst)++;
-
- WriteMask[0] = (GLboolean) (mask & (1 << 3)) >> 3;
- WriteMask[1] = (GLboolean) (mask & (1 << 2)) >> 2;
- WriteMask[2] = (GLboolean) (mask & (1 << 1)) >> 1;
- WriteMask[3] = (GLboolean) (mask & (1));
+ tmp = (GLint) *(*inst)++;
+ *WriteMask = (((tmp>>3) & 0x1) |
+ ((tmp>>1) & 0x2) |
+ ((tmp<<1) & 0x4) |
+ ((tmp<<3) & 0x8));
return 0;
}
* \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;
+ *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;
}
+#if 0 /* unused */
/**
* Handle the parsing out of a masked address register
*
* \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)
return 0;
}
-
+#endif
/**
* Parse out a swizzle mask.
*
- * The values in the input stream are:
- * COMPONENT_X -> x/r
- * COMPONENT_Y -> y/g
- * COMPONENT_Z-> z/b
- * COMPONENT_W-> w/a
- *
- * The values in the output mask are:
- * 0 -> x/r
- * 1 -> y/g
- * 2 -> z/b
- * 3 -> w/a
+ * Basically convert COMPONENT_X/Y/Z/W to SWIZZLE_X/Y/Z/W
*
* The len parameter allows us to grab 4 components for a vector
* swizzle, or just 1 component for a scalar src register selection
*/
-static GLuint
-parse_swizzle_mask (GLubyte ** inst, GLubyte * mask, GLint len)
+static void
+parse_swizzle_mask(const GLubyte ** inst, GLubyte *swizzle, GLint len)
{
- GLint a;
+ GLint i;
- for (a = 0; a < 4; a++)
- mask[a] = a;
+ for (i = 0; i < 4; i++)
+ swizzle[i] = i;
- for (a = 0; a < len; a++) {
+ for (i = 0; i < len; i++) {
switch (*(*inst)++) {
case COMPONENT_X:
- mask[a] = 0;
+ swizzle[i] = SWIZZLE_X;
break;
-
case COMPONENT_Y:
- mask[a] = 1;
+ swizzle[i] = SWIZZLE_Y;
break;
-
case COMPONENT_Z:
- mask[a] = 2;
+ swizzle[i] = SWIZZLE_Z;
break;
-
case COMPONENT_W:
- mask[a] = 3;
+ swizzle[i] = SWIZZLE_W;
break;
+ default:
+ _mesa_problem(NULL, "bad component in parse_swizzle_mask()");
+ return;
}
}
-
- return 0;
}
+
/**
+ * Parse an extended swizzle mask which is a sequence of
+ * four x/y/z/w/0/1 tokens.
+ * \return swizzle four swizzle values
+ * \return negateMask four element bitfield
*/
-static GLuint
-parse_extended_swizzle_mask (GLubyte ** inst, GLubyte * mask, GLboolean * Negate)
+static void
+parse_extended_swizzle_mask(const GLubyte **inst, GLubyte swizzle[4],
+ GLubyte *negateMask)
{
- GLint a;
- GLubyte swz;
+ GLint i;
- *Negate = GL_FALSE;
- for (a = 0; a < 4; a++) {
- if (parse_sign (inst) == -1)
- *Negate = GL_TRUE;
+ *negateMask = 0x0;
+ for (i = 0; i < 4; i++) {
+ GLubyte swz;
+ if (parse_sign(inst) == -1)
+ *negateMask |= (1 << i);
swz = *(*inst)++;
switch (swz) {
case COMPONENT_0:
- mask[a] = SWIZZLE_ZERO;
+ swizzle[i] = SWIZZLE_ZERO;
break;
case COMPONENT_1:
- mask[a] = SWIZZLE_ONE;
+ swizzle[i] = SWIZZLE_ONE;
break;
case COMPONENT_X:
- mask[a] = SWIZZLE_X;
+ swizzle[i] = SWIZZLE_X;
break;
case COMPONENT_Y:
- mask[a] = SWIZZLE_Y;
+ swizzle[i] = SWIZZLE_Y;
break;
case COMPONENT_Z:
- mask[a] = SWIZZLE_Z;
+ swizzle[i] = SWIZZLE_Z;
break;
case COMPONENT_W:
- mask[a] = SWIZZLE_W;
+ swizzle[i] = SWIZZLE_W;
break;
-
+ default:
+ _mesa_problem(NULL, "bad case in parse_extended_swizzle_mask()");
+ return;
}
-#if 0
- if (swz == 0)
- mask[a] = SWIZZLE_ZERO;
- else if (swz == 1)
- mask[a] = SWIZZLE_ONE;
- else
- mask[a] = swz - 2;
-#endif
-
}
-
- return 0;
}
static GLuint
-parse_src_reg (GLcontext * ctx, GLubyte ** inst, struct var_cache **vc_head,
- struct arb_program *Program, GLint * File, GLint * Index,
+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 )
{
struct var_cache *src;
- GLuint binding_state, binding_idx, is_generic, found;
+ GLuint binding, is_generic, found;
GLint offset;
+ *IsRelOffset = 0;
+
/* And the binding for the src */
switch (*(*inst)++) {
case REGISTER_ATTRIB:
if (parse_attrib_binding
- (ctx, inst, Program, &binding_state, &binding_idx, &is_generic))
+ (ctx, inst, Program, &binding, &is_generic))
return 1;
*File = PROGRAM_INPUT;
- *Index = binding_idx;
+ *Index = binding;
/* We need to insert a dummy variable into the var_cache so we can
* catch generic vertex attrib aliasing errors
*/
var_cache_create(&src);
src->type = vt_attrib;
- src->name = (GLubyte *)_mesa_strdup("Dummy Attrib Variable");
- src->attrib_binding = binding_state;
- src->attrib_binding_idx = binding_idx;
- src->attrib_is_generic = is_generic;
+ 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)) {
- _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;
}
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:
offset = parse_integer (inst, Program);
if ((offset < 0)
- || (offset >= 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);
+ || (offset >= (int)src->param_binding_length)) {
+ program_error(ctx, Program->Position,
+ "Index out of range");
+ /* offset, src->name */
return 1;
}
break;
default:
-
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;
}
break;
case REGISTER_ESTABLISHED_NAME:
-
src = parse_string (inst, vc_head, Program, &found);
Program->Position = parse_position (inst);
/* 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;
}
switch (src->type) {
case vt_attrib:
*File = PROGRAM_INPUT;
- *Index = src->attrib_binding_idx;
+ *Index = src->attrib_binding;
break;
/* 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_vector_src_reg (GLcontext * ctx, GLubyte ** inst,
- struct var_cache **vc_head, struct arb_program *Program,
- GLint * File, GLint * Index, GLboolean * Negate,
- GLubyte * Swizzle, GLboolean *IsRelOffset)
+parse_fp_vector_src_reg(GLcontext * ctx, const GLubyte ** inst,
+ struct var_cache **vc_head,
+ struct arb_program *program,
+ struct prog_src_register *reg)
{
+ enum register_file file;
+ GLint index;
+ GLboolean negate;
+ GLubyte swizzle[4];
+ GLboolean isRelOffset;
+
/* Grab the sign */
- *Negate = (parse_sign (inst) == -1);
+ negate = (parse_sign (inst) == -1) ? 0xf : 0x0;
/* And the src reg */
- if (parse_src_reg (ctx, inst, vc_head, Program, File, Index, IsRelOffset))
+ if (parse_src_reg(ctx, inst, vc_head, program, &file, &index, &isRelOffset))
return 1;
/* finally, the swizzle */
- parse_swizzle_mask (inst, Swizzle, 4);
+ parse_swizzle_mask(inst, swizzle, 4);
+
+ reg->File = file;
+ reg->Index = index;
+ reg->NegateBase = negate;
+ reg->Swizzle = MAKE_SWIZZLE4(swizzle[0], swizzle[1], swizzle[2], swizzle[3]);
+ return 0;
+}
+
+/**
+ * Parse fragment program destination register.
+ * \return 1 if error, 0 if no error.
+ */
+static GLuint
+parse_fp_dst_reg(GLcontext * ctx, const GLubyte ** inst,
+ struct var_cache **vc_head, struct arb_program *Program,
+ struct prog_dst_register *reg )
+{
+ GLint mask;
+ GLuint idx;
+ enum register_file file;
+
+ if (parse_masked_dst_reg (ctx, inst, vc_head, Program, &file, &idx, &mask))
+ return 1;
+
+ reg->File = file;
+ reg->Index = idx;
+ reg->WriteMask = mask;
return 0;
}
+
/**
+ * Parse fragment program scalar src register.
+ * \return 1 if error, 0 if no error.
*/
static GLuint
-parse_scalar_src_reg (GLcontext * ctx, GLubyte ** inst,
- struct var_cache **vc_head, struct arb_program *Program,
- GLint * File, GLint * Index, GLboolean * Negate,
- GLubyte * Swizzle, GLboolean *IsRelOffset)
+parse_fp_scalar_src_reg (GLcontext * ctx, const GLubyte ** inst,
+ struct var_cache **vc_head,
+ struct arb_program *Program,
+ struct prog_src_register *reg )
{
+ enum register_file File;
+ GLint Index;
+ GLubyte Negate;
+ GLubyte Swizzle[4];
+ GLboolean IsRelOffset;
+
/* Grab the sign */
- *Negate = (parse_sign (inst) == -1);
+ Negate = (parse_sign (inst) == -1) ? 0x1 : 0x0;
/* And the src reg */
- if (parse_src_reg (ctx, inst, vc_head, Program, File, Index, IsRelOffset))
+ if (parse_src_reg (ctx, inst, vc_head, Program, &File, &Index, &IsRelOffset))
return 1;
- /* Now, get the component and shove it into all the swizzle slots */
- parse_swizzle_mask (inst, Swizzle, 1);
+ /* finally, the swizzle */
+ parse_swizzle_mask(inst, Swizzle, 1);
+
+ reg->File = File;
+ reg->Index = Index;
+ reg->NegateBase = Negate;
+ reg->Swizzle = (Swizzle[0] << 0);
return 0;
}
+
/**
* 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 fp_instruction *fp)
+ struct prog_instruction *fp)
{
- GLint a, b;
- GLubyte swz[4]; /* FP's swizzle mask is a GLubyte, while VP's is GLuint */
+ GLint a;
GLuint texcoord;
GLubyte instClass, type, code;
GLboolean rel;
- /* No condition codes in ARB_fp */
- fp->UpdateCondRegister = 0;
+ _mesa_init_instructions(fp, 1);
/* Record the position in the program string for debugging */
fp->StringPos = Program->Position;
break;
}
- fp->Saturate = 0;
- fp->Precision = FLOAT32;
-
- fp->DstReg.CondMask = COND_TR;
-
switch (type) {
case OP_ALU_VECTOR:
switch (code) {
case OP_ABS_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_ABS:
- fp->Opcode = FP_OPCODE_ABS;
+ fp->Opcode = OPCODE_ABS;
break;
case OP_FLR_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_FLR:
- fp->Opcode = FP_OPCODE_FLR;
+ fp->Opcode = OPCODE_FLR;
break;
case OP_FRC_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_FRC:
- fp->Opcode = FP_OPCODE_FRC;
+ fp->Opcode = OPCODE_FRC;
break;
case OP_LIT_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_LIT:
- fp->Opcode = FP_OPCODE_LIT;
+ fp->Opcode = OPCODE_LIT;
break;
case OP_MOV_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_MOV:
- fp->Opcode = FP_OPCODE_MOV;
+ fp->Opcode = OPCODE_MOV;
break;
}
- if (parse_masked_dst_reg
- (ctx, inst, vc_head, Program, (GLint *) & fp->DstReg.File,
- &fp->DstReg.Index, fp->DstReg.WriteMask))
+ if (parse_fp_dst_reg (ctx, inst, vc_head, Program, &fp->DstReg))
return 1;
- fp->SrcReg[0].Abs = GL_FALSE;
- fp->SrcReg[0].NegateAbs = GL_FALSE;
- if (parse_vector_src_reg
- (ctx, inst, vc_head, Program, (GLint *) & fp->SrcReg[0].File,
- &fp->SrcReg[0].Index, &fp->SrcReg[0].NegateBase,
- swz, &rel))
+ if (parse_fp_vector_src_reg(ctx, inst, vc_head, Program, &fp->SrcReg[0]))
return 1;
- for (b=0; b<4; b++)
- fp->SrcReg[0].Swizzle[b] = swz[b];
break;
case OP_ALU_SCALAR:
switch (code) {
case OP_COS_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_COS:
- fp->Opcode = FP_OPCODE_COS;
+ fp->Opcode = OPCODE_COS;
break;
case OP_EX2_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_EX2:
- fp->Opcode = FP_OPCODE_EX2;
+ fp->Opcode = OPCODE_EX2;
break;
case OP_LG2_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_LG2:
- fp->Opcode = FP_OPCODE_LG2;
+ fp->Opcode = OPCODE_LG2;
break;
case OP_RCP_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_RCP:
- fp->Opcode = FP_OPCODE_RCP;
+ fp->Opcode = OPCODE_RCP;
break;
case OP_RSQ_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_RSQ:
- fp->Opcode = FP_OPCODE_RSQ;
+ fp->Opcode = OPCODE_RSQ;
break;
case OP_SIN_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_SIN:
- fp->Opcode = FP_OPCODE_SIN;
+ fp->Opcode = OPCODE_SIN;
break;
case OP_SCS_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_SCS:
- fp->Opcode = FP_OPCODE_SCS;
+ fp->Opcode = OPCODE_SCS;
break;
}
- if (parse_masked_dst_reg
- (ctx, inst, vc_head, Program, (GLint *) & fp->DstReg.File,
- &fp->DstReg.Index, fp->DstReg.WriteMask))
+ if (parse_fp_dst_reg (ctx, inst, vc_head, Program, &fp->DstReg))
return 1;
- fp->SrcReg[0].Abs = GL_FALSE;
- fp->SrcReg[0].NegateAbs = GL_FALSE;
- if (parse_scalar_src_reg
- (ctx, inst, vc_head, Program, (GLint *) & fp->SrcReg[0].File,
- &fp->SrcReg[0].Index, &fp->SrcReg[0].NegateBase,
- swz, &rel))
+
+ if (parse_fp_scalar_src_reg(ctx, inst, vc_head, Program, &fp->SrcReg[0]))
return 1;
- for (b=0; b<4; b++)
- fp->SrcReg[0].Swizzle[b] = swz[b];
break;
case OP_ALU_BINSC:
switch (code) {
case OP_POW_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_POW:
- fp->Opcode = FP_OPCODE_POW;
+ fp->Opcode = OPCODE_POW;
break;
}
- if (parse_masked_dst_reg
- (ctx, inst, vc_head, Program, (GLint *) & fp->DstReg.File,
- &fp->DstReg.Index, fp->DstReg.WriteMask))
+ if (parse_fp_dst_reg(ctx, inst, vc_head, Program, &fp->DstReg))
return 1;
+
for (a = 0; a < 2; a++) {
- fp->SrcReg[a].Abs = GL_FALSE;
- fp->SrcReg[a].NegateAbs = GL_FALSE;
- if (parse_scalar_src_reg
- (ctx, inst, vc_head, Program, (GLint *) & fp->SrcReg[a].File,
- &fp->SrcReg[a].Index, &fp->SrcReg[a].NegateBase,
- swz, &rel))
+ if (parse_fp_scalar_src_reg(ctx, inst, vc_head, Program, &fp->SrcReg[a]))
return 1;
- for (b=0; b<4; b++)
- fp->SrcReg[a].Swizzle[b] = swz[b];
}
break;
case OP_ALU_BIN:
switch (code) {
case OP_ADD_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_ADD:
- fp->Opcode = FP_OPCODE_ADD;
+ fp->Opcode = OPCODE_ADD;
break;
case OP_DP3_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_DP3:
- fp->Opcode = FP_OPCODE_DP3;
+ fp->Opcode = OPCODE_DP3;
break;
case OP_DP4_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_DP4:
- fp->Opcode = FP_OPCODE_DP4;
+ fp->Opcode = OPCODE_DP4;
break;
case OP_DPH_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_DPH:
- fp->Opcode = FP_OPCODE_DPH;
+ fp->Opcode = OPCODE_DPH;
break;
case OP_DST_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_DST:
- fp->Opcode = FP_OPCODE_DST;
+ fp->Opcode = OPCODE_DST;
break;
case OP_MAX_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_MAX:
- fp->Opcode = FP_OPCODE_MAX;
+ fp->Opcode = OPCODE_MAX;
break;
case OP_MIN_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_MIN:
- fp->Opcode = FP_OPCODE_MIN;
+ fp->Opcode = OPCODE_MIN;
break;
case OP_MUL_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_MUL:
- fp->Opcode = FP_OPCODE_MUL;
+ fp->Opcode = OPCODE_MUL;
break;
case OP_SGE_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_SGE:
- fp->Opcode = FP_OPCODE_SGE;
+ fp->Opcode = OPCODE_SGE;
break;
case OP_SLT_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_SLT:
- fp->Opcode = FP_OPCODE_SLT;
+ fp->Opcode = OPCODE_SLT;
break;
case OP_SUB_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_SUB:
- fp->Opcode = FP_OPCODE_SUB;
+ fp->Opcode = OPCODE_SUB;
break;
case OP_XPD_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_XPD:
- fp->Opcode = FP_OPCODE_XPD;
+ fp->Opcode = OPCODE_XPD;
break;
}
- if (parse_masked_dst_reg
- (ctx, inst, vc_head, Program, (GLint *) & fp->DstReg.File,
- &fp->DstReg.Index, fp->DstReg.WriteMask))
+ if (parse_fp_dst_reg (ctx, inst, vc_head, Program, &fp->DstReg))
return 1;
for (a = 0; a < 2; a++) {
- fp->SrcReg[a].Abs = GL_FALSE;
- fp->SrcReg[a].NegateAbs = GL_FALSE;
- if (parse_vector_src_reg
- (ctx, inst, vc_head, Program, (GLint *) & fp->SrcReg[a].File,
- &fp->SrcReg[a].Index, &fp->SrcReg[a].NegateBase,
- swz, &rel))
- return 1;
- for (b=0; b<4; b++)
- fp->SrcReg[a].Swizzle[b] = swz[b];
+ if (parse_fp_vector_src_reg(ctx, inst, vc_head, Program, &fp->SrcReg[a]))
+ return 1;
}
break;
case OP_ALU_TRI:
switch (code) {
case OP_CMP_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_CMP:
- fp->Opcode = FP_OPCODE_CMP;
+ fp->Opcode = OPCODE_CMP;
break;
case OP_LRP_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_LRP:
- fp->Opcode = FP_OPCODE_LRP;
+ fp->Opcode = OPCODE_LRP;
break;
case OP_MAD_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_MAD:
- fp->Opcode = FP_OPCODE_MAD;
+ fp->Opcode = OPCODE_MAD;
break;
}
- if (parse_masked_dst_reg
- (ctx, inst, vc_head, Program, (GLint *) & fp->DstReg.File,
- &fp->DstReg.Index, fp->DstReg.WriteMask))
+ if (parse_fp_dst_reg (ctx, inst, vc_head, Program, &fp->DstReg))
return 1;
+
for (a = 0; a < 3; a++) {
- fp->SrcReg[a].Abs = GL_FALSE;
- fp->SrcReg[a].NegateAbs = GL_FALSE;
- if (parse_vector_src_reg
- (ctx, inst, vc_head, Program, (GLint *) & fp->SrcReg[a].File,
- &fp->SrcReg[a].Index, &fp->SrcReg[a].NegateBase,
- swz, &rel))
- return 1;
- for (b=0; b<4; b++)
- fp->SrcReg[a].Swizzle[b] = swz[b];
+ if (parse_fp_vector_src_reg(ctx, inst, vc_head, Program, &fp->SrcReg[a]))
+ return 1;
}
break;
case OP_ALU_SWZ:
switch (code) {
case OP_SWZ_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_SWZ:
- fp->Opcode = FP_OPCODE_SWZ;
+ fp->Opcode = OPCODE_SWZ;
break;
}
- if (parse_masked_dst_reg
- (ctx, inst, vc_head, Program, (GLint *) & fp->DstReg.File,
- &fp->DstReg.Index, fp->DstReg.WriteMask))
+ if (parse_fp_dst_reg (ctx, inst, vc_head, Program, &fp->DstReg))
return 1;
- if (parse_src_reg
- (ctx, inst, vc_head, Program, (GLint *) & fp->SrcReg[0].File,
- &fp->SrcReg[0].Index, &rel))
- return 1;
- parse_extended_swizzle_mask (inst, swz,
- &fp->SrcReg[0].NegateBase);
- for (b=0; b<4; b++)
- fp->SrcReg[0].Swizzle[b] = swz[b];
+ {
+ GLubyte swizzle[4];
+ GLubyte negateMask;
+ enum register_file file;
+ GLint index;
+
+ if (parse_src_reg(ctx, inst, vc_head, Program, &file, &index, &rel))
+ return 1;
+ parse_extended_swizzle_mask(inst, swizzle, &negateMask);
+ fp->SrcReg[0].File = file;
+ fp->SrcReg[0].Index = index;
+ fp->SrcReg[0].NegateBase = negateMask;
+ fp->SrcReg[0].Swizzle = MAKE_SWIZZLE4(swizzle[0],
+ swizzle[1],
+ swizzle[2],
+ swizzle[3]);
+ }
break;
case OP_TEX_SAMPLE:
switch (code) {
case OP_TEX_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_TEX:
- fp->Opcode = FP_OPCODE_TEX;
+ fp->Opcode = OPCODE_TEX;
break;
case OP_TXP_SAT:
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_TXP:
- fp->Opcode = FP_OPCODE_TXP;
+ fp->Opcode = OPCODE_TXP;
break;
case OP_TXB_SAT:
-
- fp->Saturate = 1;
+ fp->SaturateMode = SATURATE_ZERO_ONE;
case OP_TXB:
- fp->Opcode = FP_OPCODE_TXB;
+ fp->Opcode = OPCODE_TXB;
break;
}
- if (parse_masked_dst_reg
- (ctx, inst, vc_head, Program, (GLint *) & fp->DstReg.File,
- &fp->DstReg.Index, fp->DstReg.WriteMask))
+ if (parse_fp_dst_reg (ctx, inst, vc_head, Program, &fp->DstReg))
return 1;
- fp->SrcReg[0].Abs = GL_FALSE;
- fp->SrcReg[0].NegateAbs = GL_FALSE;
- if (parse_vector_src_reg
- (ctx, inst, vc_head, Program, (GLint *) & fp->SrcReg[0].File,
- &fp->SrcReg[0].Index, &fp->SrcReg[0].NegateBase,
- swz, &rel))
+
+ if (parse_fp_vector_src_reg(ctx, inst, vc_head, Program, &fp->SrcReg[0]))
return 1;
- for (b=0; b<4; b++)
- fp->SrcReg[0].Swizzle[b] = swz[b];
/* texImageUnit */
if (parse_texcoord_num (ctx, inst, Program, &texcoord))
/* texTarget */
switch (*(*inst)++) {
case TEXTARGET_1D:
- fp->TexSrcBit = TEXTURE_1D_BIT;
+ fp->TexSrcTarget = TEXTURE_1D_INDEX;
break;
case TEXTARGET_2D:
- fp->TexSrcBit = TEXTURE_2D_BIT;
+ fp->TexSrcTarget = TEXTURE_2D_INDEX;
break;
case TEXTARGET_3D:
- fp->TexSrcBit = TEXTURE_3D_BIT;
+ fp->TexSrcTarget = TEXTURE_3D_INDEX;
break;
case TEXTARGET_RECT:
- fp->TexSrcBit = TEXTURE_RECT_BIT;
+ fp->TexSrcTarget = TEXTURE_RECT_INDEX;
break;
case TEXTARGET_CUBE:
- fp->TexSrcBit = TEXTURE_CUBE_BIT;
+ fp->TexSrcTarget = TEXTURE_CUBE_INDEX;
break;
case TEXTARGET_SHADOW1D:
case TEXTARGET_SHADOW2D:
/* TODO ARB_fragment_program_shadow code */
break;
}
- Program->TexturesUsed[texcoord] |= fp->TexSrcBit;
+ 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:
- fp->Opcode = FP_OPCODE_KIL;
- fp->SrcReg[0].Abs = GL_FALSE;
- fp->SrcReg[0].NegateAbs = GL_FALSE;
- if (parse_vector_src_reg
- (ctx, inst, vc_head, Program, (GLint *) & fp->SrcReg[0].File,
- &fp->SrcReg[0].Index, &fp->SrcReg[0].NegateBase,
- swz, &rel))
+ Program->UsesKill = 1;
+ if (parse_fp_vector_src_reg(ctx, inst, vc_head, Program, &fp->SrcReg[0]))
return 1;
- for (b=0; b<4; b++)
- fp->SrcReg[0].Swizzle[b] = swz[b];
+ 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, const GLubyte ** inst,
+ struct var_cache **vc_head, struct arb_program *Program,
+ struct prog_dst_register *reg )
+{
+ GLint mask;
+ GLuint idx;
+ enum register_file file;
+
+ if (parse_masked_dst_reg(ctx, inst, vc_head, Program, &file, &idx, &mask))
+ return 1;
+
+ reg->File = file;
+ reg->Index = idx;
+ reg->WriteMask = mask;
+ return 0;
+}
+
+/**
+ * Handle the parsing out of a masked address register
+ *
+ * \param Index - The register index we write to
+ * \param WriteMask - The mask controlling which components we write (1->write)
+ *
+ * \return 0 on sucess, 1 on error
+ */
+static GLuint
+parse_vp_address_reg (GLcontext * ctx, const GLubyte ** inst,
+ struct var_cache **vc_head,
+ struct arb_program *Program,
+ struct prog_dst_register *reg)
+{
+ GLint idx;
+
+ if (parse_address_reg (ctx, inst, vc_head, Program, &idx))
+ return 1;
+
+ /* This should be 0x8 */
+ (*inst)++;
+
+ reg->File = PROGRAM_ADDRESS;
+ reg->Index = idx;
+
+ /* Writemask of .x is implied */
+ reg->WriteMask = 0x1;
+ return 0;
+}
+
+/**
+ * Parse vertex program vector source register.
+ */
+static GLuint
+parse_vp_vector_src_reg(GLcontext * ctx, const GLubyte ** inst,
+ struct var_cache **vc_head,
+ struct arb_program *program,
+ struct prog_src_register *reg )
+{
+ enum register_file file;
+ GLint index;
+ GLubyte negateMask;
+ GLubyte swizzle[4];
+ GLboolean isRelOffset;
+
+ /* Grab the sign */
+ negateMask = (parse_sign (inst) == -1) ? 0xf : 0x0;
+
+ /* And the src reg */
+ if (parse_src_reg (ctx, inst, vc_head, program, &file, &index, &isRelOffset))
+ return 1;
+
+ /* finally, the swizzle */
+ parse_swizzle_mask(inst, swizzle, 4);
+
+ reg->File = file;
+ reg->Index = index;
+ reg->Swizzle = MAKE_SWIZZLE4(swizzle[0], swizzle[1],
+ swizzle[2], swizzle[3]);
+ reg->NegateBase = negateMask;
+ reg->RelAddr = isRelOffset;
+ return 0;
+}
+
+
+static GLuint
+parse_vp_scalar_src_reg (GLcontext * ctx, const GLubyte ** inst,
+ struct var_cache **vc_head,
+ struct arb_program *Program,
+ struct prog_src_register *reg )
+{
+ enum register_file File;
+ GLint Index;
+ GLubyte Negate;
+ GLubyte Swizzle[4];
+ GLboolean IsRelOffset;
+
+ /* Grab the sign */
+ Negate = (parse_sign (inst) == -1) ? 0x1 : 0x0;
+
+ /* And the src reg */
+ if (parse_src_reg (ctx, inst, vc_head, Program, &File, &Index, &IsRelOffset))
+ return 1;
+
+ /* finally, the swizzle */
+ parse_swizzle_mask(inst, Swizzle, 1);
+
+ reg->File = File;
+ reg->Index = Index;
+ reg->Swizzle = (Swizzle[0] << 0);
+ reg->NegateBase = Negate;
+ reg->RelAddr = IsRelOffset;
+ return 0;
+}
+
+
/**
* This is a big mother that handles getting opcodes into the instruction
* 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 vp_instruction *vp)
+ struct prog_instruction *vp)
{
GLint a;
GLubyte type, code;
/* The actual opcode name */
code = *(*inst)++;
+ _mesa_init_instructions(vp, 1);
/* Record the position in the program string for debugging */
vp->StringPos = Program->Position;
- vp->SrcReg[0].RelAddr = vp->SrcReg[1].RelAddr = vp->SrcReg[2].RelAddr = 0;
-
- for (a = 0; a < 4; a++) {
- vp->SrcReg[0].Swizzle[a] = a;
- vp->SrcReg[1].Swizzle[a] = a;
- vp->SrcReg[2].Swizzle[a] = a;
- vp->DstReg.WriteMask[a] = 1;
- }
-
switch (type) {
/* XXX: */
case OP_ALU_ARL:
- vp->Opcode = VP_OPCODE_ARL;
+ vp->Opcode = OPCODE_ARL;
/* Remember to set SrcReg.RelAddr; */
/* Get the masked address register [dst] */
- if (parse_masked_address_reg
- (ctx, inst, vc_head, Program, &vp->DstReg.Index,
- vp->DstReg.WriteMask))
+ if (parse_vp_address_reg(ctx, inst, vc_head, Program, &vp->DstReg))
return 1;
+
vp->DstReg.File = PROGRAM_ADDRESS;
/* Get a scalar src register */
- if (parse_scalar_src_reg
- (ctx, inst, vc_head, Program, (GLint *) & vp->SrcReg[0].File,
- &vp->SrcReg[0].Index, &vp->SrcReg[0].Negate,
- vp->SrcReg[0].Swizzle, &vp->SrcReg[0].RelAddr))
+ if (parse_vp_scalar_src_reg(ctx, inst, vc_head, Program, &vp->SrcReg[0]))
return 1;
break;
case OP_ALU_VECTOR:
switch (code) {
case OP_ABS:
- vp->Opcode = VP_OPCODE_ABS;
+ vp->Opcode = OPCODE_ABS;
break;
case OP_FLR:
- vp->Opcode = VP_OPCODE_FLR;
+ vp->Opcode = OPCODE_FLR;
break;
case OP_FRC:
- vp->Opcode = VP_OPCODE_FRC;
+ vp->Opcode = OPCODE_FRC;
break;
case OP_LIT:
- vp->Opcode = VP_OPCODE_LIT;
+ vp->Opcode = OPCODE_LIT;
break;
case OP_MOV:
- vp->Opcode = VP_OPCODE_MOV;
+ vp->Opcode = OPCODE_MOV;
break;
}
- if (parse_masked_dst_reg
- (ctx, inst, vc_head, Program, (GLint *) & vp->DstReg.File,
- &vp->DstReg.Index, vp->DstReg.WriteMask))
+
+ if (parse_vp_dst_reg(ctx, inst, vc_head, Program, &vp->DstReg))
return 1;
- if (parse_vector_src_reg
- (ctx, inst, vc_head, Program, (GLint *) & vp->SrcReg[0].File,
- &vp->SrcReg[0].Index, &vp->SrcReg[0].Negate,
- vp->SrcReg[0].Swizzle, &vp->SrcReg[0].RelAddr))
+
+ if (parse_vp_vector_src_reg(ctx, inst, vc_head, Program, &vp->SrcReg[0]))
return 1;
break;
case OP_ALU_SCALAR:
switch (code) {
case OP_EX2:
- vp->Opcode = VP_OPCODE_EX2;
+ vp->Opcode = OPCODE_EX2;
break;
case OP_EXP:
- vp->Opcode = VP_OPCODE_EXP;
+ vp->Opcode = OPCODE_EXP;
break;
case OP_LG2:
- vp->Opcode = VP_OPCODE_LG2;
+ vp->Opcode = OPCODE_LG2;
break;
case OP_LOG:
- vp->Opcode = VP_OPCODE_LOG;
+ vp->Opcode = OPCODE_LOG;
break;
case OP_RCP:
- vp->Opcode = VP_OPCODE_RCP;
+ vp->Opcode = OPCODE_RCP;
break;
case OP_RSQ:
- vp->Opcode = VP_OPCODE_RSQ;
+ vp->Opcode = OPCODE_RSQ;
break;
}
- if (parse_masked_dst_reg
- (ctx, inst, vc_head, Program, (GLint *) & vp->DstReg.File,
- &vp->DstReg.Index, vp->DstReg.WriteMask))
+ if (parse_vp_dst_reg(ctx, inst, vc_head, Program, &vp->DstReg))
return 1;
- if (parse_scalar_src_reg
- (ctx, inst, vc_head, Program, (GLint *) & vp->SrcReg[0].File,
- &vp->SrcReg[0].Index, &vp->SrcReg[0].Negate,
- vp->SrcReg[0].Swizzle, &vp->SrcReg[0].RelAddr))
+
+ if (parse_vp_scalar_src_reg(ctx, inst, vc_head, Program, &vp->SrcReg[0]))
return 1;
break;
case OP_ALU_BINSC:
switch (code) {
case OP_POW:
- vp->Opcode = VP_OPCODE_POW;
+ vp->Opcode = OPCODE_POW;
break;
}
- if (parse_masked_dst_reg
- (ctx, inst, vc_head, Program, (GLint *) & vp->DstReg.File,
- &vp->DstReg.Index, vp->DstReg.WriteMask))
+ if (parse_vp_dst_reg(ctx, inst, vc_head, Program, &vp->DstReg))
return 1;
+
for (a = 0; a < 2; a++) {
- if (parse_scalar_src_reg
- (ctx, inst, vc_head, Program, (GLint *) & vp->SrcReg[a].File,
- &vp->SrcReg[a].Index, &vp->SrcReg[a].Negate,
- vp->SrcReg[a].Swizzle, &vp->SrcReg[a].RelAddr))
+ if (parse_vp_scalar_src_reg(ctx, inst, vc_head, Program, &vp->SrcReg[a]))
return 1;
}
break;
case OP_ALU_BIN:
switch (code) {
case OP_ADD:
- vp->Opcode = VP_OPCODE_ADD;
+ vp->Opcode = OPCODE_ADD;
break;
case OP_DP3:
- vp->Opcode = VP_OPCODE_DP3;
+ vp->Opcode = OPCODE_DP3;
break;
case OP_DP4:
- vp->Opcode = VP_OPCODE_DP4;
+ vp->Opcode = OPCODE_DP4;
break;
case OP_DPH:
- vp->Opcode = VP_OPCODE_DPH;
+ vp->Opcode = OPCODE_DPH;
break;
case OP_DST:
- vp->Opcode = VP_OPCODE_DST;
+ vp->Opcode = OPCODE_DST;
break;
case OP_MAX:
- vp->Opcode = VP_OPCODE_MAX;
+ vp->Opcode = OPCODE_MAX;
break;
case OP_MIN:
- vp->Opcode = VP_OPCODE_MIN;
+ vp->Opcode = OPCODE_MIN;
break;
case OP_MUL:
- vp->Opcode = VP_OPCODE_MUL;
+ vp->Opcode = OPCODE_MUL;
break;
case OP_SGE:
- vp->Opcode = VP_OPCODE_SGE;
+ vp->Opcode = OPCODE_SGE;
break;
case OP_SLT:
- vp->Opcode = VP_OPCODE_SLT;
+ vp->Opcode = OPCODE_SLT;
break;
case OP_SUB:
- vp->Opcode = VP_OPCODE_SUB;
+ vp->Opcode = OPCODE_SUB;
break;
case OP_XPD:
- vp->Opcode = VP_OPCODE_XPD;
+ vp->Opcode = OPCODE_XPD;
break;
}
- if (parse_masked_dst_reg
- (ctx, inst, vc_head, Program, (GLint *) & vp->DstReg.File,
- &vp->DstReg.Index, vp->DstReg.WriteMask))
+ if (parse_vp_dst_reg(ctx, inst, vc_head, Program, &vp->DstReg))
return 1;
+
for (a = 0; a < 2; a++) {
- if (parse_vector_src_reg
- (ctx, inst, vc_head, Program, (GLint *) & vp->SrcReg[a].File,
- &vp->SrcReg[a].Index, &vp->SrcReg[a].Negate,
- vp->SrcReg[a].Swizzle, &vp->SrcReg[a].RelAddr))
+ if (parse_vp_vector_src_reg(ctx, inst, vc_head, Program, &vp->SrcReg[a]))
return 1;
}
break;
case OP_ALU_TRI:
switch (code) {
case OP_MAD:
- vp->Opcode = VP_OPCODE_MAD;
+ vp->Opcode = OPCODE_MAD;
break;
}
- if (parse_masked_dst_reg
- (ctx, inst, vc_head, Program, (GLint *) & vp->DstReg.File,
- &vp->DstReg.Index, vp->DstReg.WriteMask))
+ if (parse_vp_dst_reg(ctx, inst, vc_head, Program, &vp->DstReg))
return 1;
+
for (a = 0; a < 3; a++) {
- if (parse_vector_src_reg
- (ctx, inst, vc_head, Program, (GLint *) & vp->SrcReg[a].File,
- &vp->SrcReg[a].Index, &vp->SrcReg[a].Negate,
- vp->SrcReg[a].Swizzle, &vp->SrcReg[a].RelAddr))
+ if (parse_vp_vector_src_reg(ctx, inst, vc_head, Program, &vp->SrcReg[a]))
return 1;
}
break;
case OP_ALU_SWZ:
switch (code) {
case OP_SWZ:
- vp->Opcode = VP_OPCODE_SWZ;
+ vp->Opcode = OPCODE_SWZ;
break;
}
- if (parse_masked_dst_reg
- (ctx, inst, vc_head, Program, (GLint *) & vp->DstReg.File,
- &vp->DstReg.Index, vp->DstReg.WriteMask))
- return 1;
-
- if (parse_src_reg
- (ctx, inst, vc_head, Program, (GLint *) & vp->SrcReg[0].File,
- &vp->SrcReg[0].Index, &vp->SrcReg[0].RelAddr))
- return 1;
- parse_extended_swizzle_mask (inst, vp->SrcReg[0].Swizzle,
- &vp->SrcReg[0].Negate);
+ {
+ GLubyte swizzle[4];
+ GLubyte negateMask;
+ GLboolean relAddr;
+ enum register_file file;
+ GLint index;
+
+ if (parse_vp_dst_reg(ctx, inst, vc_head, Program, &vp->DstReg))
+ return 1;
+
+ if (parse_src_reg(ctx, inst, vc_head, Program, &file, &index, &relAddr))
+ return 1;
+ parse_extended_swizzle_mask (inst, swizzle, &negateMask);
+ vp->SrcReg[0].File = file;
+ vp->SrcReg[0].Index = index;
+ vp->SrcReg[0].NegateBase = negateMask;
+ vp->SrcReg[0].Swizzle = MAKE_SWIZZLE4(swizzle[0],
+ swizzle[1],
+ swizzle[2],
+ swizzle[3]);
+ vp->SrcReg[0].RelAddr = relAddr;
+ }
break;
}
return 0;
}
}
-#endif
+#endif /* DEBUG_PARSING */
/**
* The main loop for parsing a fragment or vertex program
*
- * \return 0 on sucess, 1 on error
+ * \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
+ : ctx->Const.VertexProgram.MaxInstructions;
GLint err = 0;
+ ASSERT(MAX_INSTRUCTIONS >= maxInst);
+
Program->MajorVersion = (GLuint) * inst++;
Program->MinorVersion = (GLuint) * inst++;
case ARB_POSITION_INVARIANT:
if (Program->Base.Target == GL_VERTEX_PROGRAM_ARB)
- Program->HintPositionInvariant = 1;
+ Program->HintPositionInvariant = GL_TRUE;
break;
case ARB_FRAGMENT_PROGRAM_SHADOW:
/* TODO ARB_fragment_program_shadow code */
}
break;
+
+ case ARB_DRAW_BUFFERS:
+ if (Program->Base.Target == GL_FRAGMENT_PROGRAM_ARB) {
+ /* do nothing for now */
+ }
+ break;
}
break;
case INSTRUCTION:
+ /* check length */
+ if (Program->Base.NumInstructions + 1 >= maxInst) {
+ 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) {
-
- /* Check the instruction count
- * XXX: Does END count as an instruction?
- */
- if (Program->Base.NumInstructions+1 == MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS) {
- _mesa_set_program_error (ctx, Program->Position,
- "Max instruction count exceeded!");
- _mesa_error (ctx, GL_INVALID_OPERATION,
- "Max instruction count exceeded!");
- }
-
- /* Realloc Program->FPInstructions */
- Program->FPInstructions =
- (struct fp_instruction *) _mesa_realloc (Program->FPInstructions,
- Program->Base.NumInstructions*sizeof(struct fp_instruction),
- (Program->Base.NumInstructions+1)*sizeof (struct fp_instruction));
-
- /* parse the current instruction */
err = parse_fp_instruction (ctx, &inst, vc_head, Program,
- &Program->FPInstructions[Program->Base.NumInstructions]);
-
+ &Program->Base.Instructions[Program->Base.NumInstructions]);
}
else {
- /* Check the instruction count
- * XXX: Does END count as an instruction?
- */
- if (Program->Base.NumInstructions+1 == MAX_NV_VERTEX_PROGRAM_INSTRUCTIONS) {
- _mesa_set_program_error (ctx, Program->Position,
- "Max instruction count exceeded!");
- _mesa_error (ctx, GL_INVALID_OPERATION,
- "Max instruction count exceeded!");
- }
-
- /* Realloc Program->VPInstructions */
- Program->VPInstructions =
- (struct vp_instruction *) _mesa_realloc (Program->VPInstructions,
- Program->Base.NumInstructions*sizeof(struct vp_instruction),
- (Program->Base.NumInstructions +1)*sizeof(struct vp_instruction));
-
- /* parse the current instruction */
err = parse_vp_instruction (ctx, &inst, vc_head, Program,
- &Program->VPInstructions[Program->Base.NumInstructions]);
+ &Program->Base.Instructions[Program->Base.NumInstructions]);
}
- /* increment Program->Base.NumInstructions */
+ /* increment instuction count */
Program->Base.NumInstructions++;
break;
}
/* Finally, tag on an OPCODE_END instruction */
- if (Program->Base.Target == GL_FRAGMENT_PROGRAM_ARB) {
- Program->FPInstructions =
- (struct fp_instruction *) _mesa_realloc (Program->FPInstructions,
- Program->Base.NumInstructions*sizeof(struct fp_instruction),
- (Program->Base.NumInstructions+1)*sizeof(struct fp_instruction));
-
- Program->FPInstructions[Program->Base.NumInstructions].Opcode = FP_OPCODE_END;
- /* YYY Wrong Position in program, whatever, at least not random -> crash
- Program->Position = parse_position (&inst);
- */
- Program->FPInstructions[Program->Base.NumInstructions].StringPos = Program->Position;
- }
- else {
- Program->VPInstructions =
- (struct vp_instruction *) _mesa_realloc (Program->VPInstructions,
- Program->Base.NumInstructions*sizeof(struct vp_instruction),
- (Program->Base.NumInstructions+1)*sizeof(struct vp_instruction));
-
- Program->VPInstructions[Program->Base.NumInstructions].Opcode = VP_OPCODE_END;
+ {
+ const GLuint numInst = Program->Base.NumInstructions;
+ _mesa_init_instructions(Program->Base.Instructions + numInst, 1);
+ 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[Program->Base.NumInstructions].StringPos = Program->Position;
+ Program->Base.Instructions[numInst].StringPos = Program->Position;
}
-
- /* increment Program->Base.NumInstructions */
Program->Base.NumInstructions++;
+ /*
+ * Initialize native counts to logical counts. The device driver may
+ * change them if program is translated into a hardware program.
+ */
+ Program->Base.NumNativeInstructions = Program->Base.NumInstructions;
+ Program->Base.NumNativeTemporaries = Program->Base.NumTemporaries;
+ Program->Base.NumNativeParameters = Program->Base.NumParameters;
+ Program->Base.NumNativeAttributes = Program->Base.NumAttributes;
+ Program->Base.NumNativeAddressRegs = Program->Base.NumAddressRegs;
+
return err;
}
+
/* XXX temporary */
-static char core_grammar_text[] =
+LONGSTRING static char core_grammar_text[] =
#include "grammar_syn.h"
;
-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 = glGetString (GL_EXTENSIONS);
- const GLubyte *end = extensions + _mesa_strlen ((const char *) extensions);
- const GLint ext_len = _mesa_strlen ((const char *) ext);
-
- while (extensions < end)
- {
- const GLubyte *name_end = (const GLubyte *) strchr ((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 ctx - The GL Context
* \param str - The program string
* \param len - The program string length
- * \param Program - The arb_program struct to return all the parsed info in
- * \return 0 on sucess, 1 on error
+ * \param program - The arb_program struct to return all the parsed info in
+ * \return GL_TRUE on sucess, GL_FALSE on error
*/
-GLuint
-_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 */
-#if DEBUG_PARSING
- fprintf (stderr, "Loading grammar text!\n");
-#endif
+ /* set the program target before parsing */
+ program->Base.Target = target;
+
+ /* Reset error state */
+ _mesa_set_program_error(ctx, -1, NULL);
- /* 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");
- return 1;
+ "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);
- /* NOTE: we cant destroy grammar_syn_id right here because grammar_destroy() can
- reset the last error
- */
+ /* 'parsed' is unused here */
+ _mesa_free (parsed);
+ parsed = NULL;
- if (err == 0) {
+ /* NOTE: we can't destroy grammar_syn_id right here because
+ * grammar_destroy() can reset the last error
+ */
+ 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 1;
+ return GL_FALSE;
}
grammar_destroy (grammar_syn_id);
/* 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");
- return 1;
+ "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 1;
+ 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")) {
- grammar_destroy (arbprogram_syn_id);
- return 1;
+ 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 1;
+ return GL_FALSE;
}
+ }
}
/* copy the program string to a null-terminated string */
- /* XXX should I check for NULL from malloc()? */
strz = (GLubyte *) _mesa_malloc (len + 1);
+ if (!strz) {
+ _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
- printf ("Checking Grammar!\n");
-#endif
- err = grammar_check (arbprogram_syn_id, strz, &parsed, &parsed_len);
+ /* do a fast check on program string - initial production buffer is 4K */
+ 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);
+#if DEBUG_PARSING
/* useful for debugging */
- if (0) {
+ do {
int line, col;
char *s;
- printf("Program: %s\n", strz);
- printf("Error Pos: %d\n", ctx->Program.ErrorPos);
- s = (char *) _mesa_find_line_column(strz, strz+ctx->Program.ErrorPos, &line, &col);
- printf("line %d col %d: %s\n", line, col, 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);
+ 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 1;
+ return GL_FALSE;
}
-#if DEBUG_PARSING
- printf ("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->Base.NumAttributes = program->Base.NumAddressRegs = 0;
- program->Parameters = _mesa_new_parameter_list ();
- program->InputsRead = 0;
- program->OutputsWritten = 0;
+ program->Base.Parameters = _mesa_new_parameter_list ();
+ program->Base.InputsRead = 0x0;
+ program->Base.OutputsWritten = 0x0;
program->Position = 0;
program->MajorVersion = program->MinorVersion = 0;
program->PrecisionOption = GL_DONT_CARE;
program->FogOption = GL_NONE;
program->HintPositionInvariant = GL_FALSE;
for (a = 0; a < MAX_TEXTURE_IMAGE_UNITS; a++)
- program->TexturesUsed[a] = 0;
+ program->TexturesUsed[a] = 0x0;
program->NumAluInstructions =
program->NumTexInstructions =
program->NumTexIndirections = 0;
-
- program->FPInstructions = NULL;
- program->VPInstructions = NULL;
+ program->UsesKill = 0;
vc_head = NULL;
- err = 0;
+ err = GL_FALSE;
/* Start examining the tokens in the array */
inst = parsed;
/* Check the grammer rev */
if (*inst++ != REVISION) {
- _mesa_set_program_error (ctx, 0, "Grammar version mismatch");
- _mesa_error (ctx, GL_INVALID_OPERATION, "glProgramStringARB(Grammar verison mismatch)");
- err = 1;
+ program_error (ctx, 0, "Grammar version mismatch");
+ err = GL_TRUE;
}
else {
- switch (*inst++) {
- case FRAGMENT_PROGRAM:
- program->Base.Target = GL_FRAGMENT_PROGRAM_ARB;
- break;
-
- case VERTEX_PROGRAM:
- program->Base.Target = GL_VERTEX_PROGRAM_ARB;
- break;
- }
-
- err = parse_arb_program (ctx, inst, &vc_head, program);
-#if DEBUG_PARSING
- fprintf (stderr, "Symantic analysis returns %d [1 is bad!]\n", err);
-#endif
+ /* ignore program target */
+ inst++;
+ 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
- printf ("_mesa_parse_arb_program() done\n");
+
+ /* 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_printf("____________Fragment program %u ________\n", program->Base.ID);
+ _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_printf("____________Vertex program %u __________\n", program->Base.ID);
+ _mesa_print_program(&program->Base);
#endif
- return err;
}
projects / mesa.git / blobdiff