/*
* Mesa 3-D graphics library
- * Version: 6.5.3
+ * Version: 7.1
*
- * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
#include "shader/grammar/grammar_mesa.h"
#include "arbprogparse.h"
#include "program.h"
+#include "programopt.h"
#include "prog_parameter.h"
#include "prog_statevars.h"
#include "context.h"
}
+/**
+ * As above, but with an extra string parameter for more info.
+ */
+static void
+program_error2(GLcontext *ctx, GLint position, const char *descrip,
+ const char *var)
+{
+ if (descrip) {
+ const char *prefix = "glProgramString(", *suffix = ")";
+ char *str = (char *) _mesa_malloc(_mesa_strlen(descrip) +
+ _mesa_strlen(": ") +
+ _mesa_strlen(var) +
+ _mesa_strlen(prefix) +
+ _mesa_strlen(suffix) + 1);
+ if (str) {
+ _mesa_sprintf(str, "%s%s: %s%s", prefix, descrip, var, suffix);
+ _mesa_error(ctx, GL_INVALID_OPERATION, str);
+ _mesa_free(str);
+ }
+ }
+ {
+ char *str = (char *) _mesa_malloc(_mesa_strlen(descrip) +
+ _mesa_strlen(": ") +
+ _mesa_strlen(var) + 1);
+ if (str) {
+ _mesa_sprintf(str, "%s: %s", descrip, var);
+ }
+ _mesa_set_program_error(ctx, position, str);
+ if (str) {
+ _mesa_free(str);
+ }
+ }
+}
+
+
/**
* constructs an integer from 4 GLubytes in LE format
state_tokens[1] = coord;
/* EYE or OBJECT */
- type = *(*inst++);
+ type = *(*inst)++;
/* 0 - s, 1 - t, 2 - r, 3 - q */
- coord = *(*inst++);
+ coord = *(*inst)++;
if (type == TEX_GEN_EYE) {
switch (coord) {
case COMPONENT_W:
state_tokens[2] = STATE_TEXGEN_EYE_Q;
break;
+ default:
+ _mesa_problem(ctx, "bad texgen component in "
+ "parse_state_single_item()");
}
}
else {
case COMPONENT_W:
state_tokens[2] = STATE_TEXGEN_OBJECT_Q;
break;
+ default:
+ _mesa_problem(ctx, "bad texgen component in "
+ "parse_state_single_item()");
}
}
}
break;
case STATE_POINT:
- switch (*(*inst++)) {
+ switch (*(*inst)++) {
case POINT_SIZE:
state_tokens[0] = STATE_POINT_SIZE;
break;
program_error(ctx, Program->Position, "Bad attribute binding");
}
- Program->Base.InputsRead |= (1 << *inputReg);
-
return err;
}
struct arb_program *Program)
{
GLuint found;
- char *error_msg;
struct var_cache *attrib_var;
attrib_var = parse_string (inst, vc_head, Program, &found);
Program->Position = parse_position (inst);
if (found) {
- error_msg = (char *)
- _mesa_malloc (_mesa_strlen ((char *) attrib_var->name) + 40);
- _mesa_sprintf (error_msg, "Duplicate Varible Declaration: %s",
- attrib_var->name);
- program_error(ctx, Program->Position, error_msg);
- _mesa_free (error_msg);
+ program_error2(ctx, Program->Position,
+ "Duplicate variable declaration",
+ (char *) attrib_var->name);
return 1;
}
{
GLint idx;
GLuint err = 0;
- gl_state_index state_tokens[STATE_LENGTH];
+ gl_state_index state_tokens[STATE_LENGTH] = {0, 0, 0, 0, 0};
GLfloat const_values[4];
switch (*(*inst)++) {
break;
case PARAM_CONSTANT:
+ /* parsing something like {1.0, 2.0, 3.0, 4.0} */
parse_constant (inst, const_values, Program, use);
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_type = PROGRAM_CONSTANT;
param_var->param_binding_length++;
Program->Base.NumParameters++;
break;
Program->Position = parse_position (inst);
if (found) {
- char *error_msg = (char *)
- _mesa_malloc (_mesa_strlen ((char *) param_var->name) + 40);
- _mesa_sprintf (error_msg, "Duplicate Varible Declaration: %s",
- param_var->name);
- program_error (ctx, Program->Position, error_msg);
- _mesa_free (error_msg);
+ program_error2(ctx, Program->Position,
+ "Duplicate variable declaration",
+ (char *) param_var->name);
return 1;
}
temp_var = parse_string (inst, vc_head, Program, &found);
Program->Position = parse_position (inst);
if (found) {
- char *error_msg = (char *)
- _mesa_malloc (_mesa_strlen ((char *) temp_var->name) + 40);
- _mesa_sprintf (error_msg, "Duplicate Varible Declaration: %s",
- temp_var->name);
- program_error(ctx, Program->Position, error_msg);
- _mesa_free (error_msg);
+ program_error2(ctx, Program->Position,
+ "Duplicate variable declaration",
+ (char *) temp_var->name);
return 1;
}
output_var = parse_string (inst, vc_head, Program, &found);
Program->Position = parse_position (inst);
if (found) {
- char *error_msg = (char *)
- _mesa_malloc (_mesa_strlen ((char *) output_var->name) + 40);
- _mesa_sprintf (error_msg, "Duplicate Varible Declaration: %s",
- output_var->name);
- program_error (ctx, Program->Position, error_msg);
- _mesa_free (error_msg);
+ program_error2(ctx, Program->Position,
+ "Duplicate variable declaration",
+ (char *) output_var->name);
return 1;
}
Program->Position = parse_position (inst);
if (found) {
- char *error_msg = (char *)
- _mesa_malloc (_mesa_strlen ((char *) temp_var->name) + 40);
- _mesa_sprintf (error_msg, "Duplicate Varible Declaration: %s",
- temp_var->name);
- program_error(ctx, Program->Position, error_msg);
- _mesa_free (error_msg);
+ program_error2(ctx, Program->Position,
+ "Duplicate variable declaration",
+ (char *) temp_var->name);
return 1;
}
if (!found)
{
- 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);
- program_error (ctx, Program->Position, error_msg);
- _mesa_free (error_msg);
+ program_error2(ctx, Program->Position,
+ "Undefined alias value",
+ (char *) temp_var->alias_binding->name);
return 1;
}
temp_var = parse_string (inst, vc_head, Program, &found);
Program->Position = parse_position (inst);
if (found) {
- char *error_msg = (char *)
- _mesa_malloc (_mesa_strlen ((char *) temp_var->name) + 40);
- _mesa_sprintf (error_msg, "Duplicate Varible Declaration: %s",
- temp_var->name);
- program_error (ctx, Program->Position, error_msg);
- _mesa_free (error_msg);
+ program_error2(ctx, Program->Position,
+ "Duplicate variable declaration",
+ (char *) temp_var->name);
return 1;
}
Program->Position = parse_position (inst);
if (!found) {
- program_error(ctx, Program->Position,
- "2: Undefined variable"); /* src->name */
+ program_error2(ctx, Program->Position,
+ "Undefined variable",
+ (char *) src->name);
return 1;
}
return 1;
}
+ /* Add attributes to InputsRead only if they are used the program.
+ * This avoids the handling of unused ATTRIB declarations in the drivers. */
+ if (*File == PROGRAM_INPUT)
+ Program->Base.InputsRead |= (1 << *Index);
+
return 0;
}
+
/**
- * Parse fragment program vector source register.
+ * Parse vertex/fragment program vector source register.
*/
static GLuint
-parse_fp_vector_src_reg(GLcontext * ctx, const GLubyte ** inst,
- struct var_cache **vc_head,
- struct arb_program *program,
- struct prog_src_register *reg)
+parse_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 negateMask;
GLubyte swizzle[4];
GLboolean isRelOffset;
/* Grab the sign */
- negate = (parse_sign (inst) == -1) ? 0xf : 0x0;
+ negateMask = (parse_sign (inst) == -1) ? NEGATE_XYZW : NEGATE_NONE;
/* And the src reg */
if (parse_src_reg(ctx, inst, vc_head, program, &file, &index, &isRelOffset))
reg->File = file;
reg->Index = index;
- reg->NegateBase = negate;
reg->Swizzle = MAKE_SWIZZLE4(swizzle[0], swizzle[1], swizzle[2], swizzle[3]);
+ reg->NegateBase = negateMask;
+ reg->RelAddr = isRelOffset;
return 0;
}
/**
- * Parse fragment program destination register.
- * \return 1 if error, 0 if no error.
+ * Parse vertex/fragment program scalar source register.
*/
-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 )
+static GLuint
+parse_scalar_src_reg(GLcontext *ctx, const GLubyte **inst,
+ struct var_cache **vc_head,
+ struct arb_program *program,
+ struct prog_src_register *reg)
{
- GLint mask;
- GLuint idx;
enum register_file file;
+ GLint index;
+ GLubyte negateMask;
+ GLubyte swizzle[4];
+ GLboolean isRelOffset;
+
+ /* Grab the sign */
+ negateMask = (parse_sign (inst) == -1) ? NEGATE_XYZW : NEGATE_NONE;
- if (parse_masked_dst_reg (ctx, inst, vc_head, Program, &file, &idx, &mask))
+ /* 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 = idx;
- reg->WriteMask = mask;
+ reg->Index = index;
+ reg->Swizzle = (swizzle[0] << 0);
+ reg->NegateBase = negateMask;
+ reg->RelAddr = isRelOffset;
return 0;
}
/**
- * Parse fragment program scalar src register.
+ * Parse vertex/fragment program destination register.
* \return 1 if error, 0 if no error.
*/
-static GLuint
-parse_fp_scalar_src_reg (GLcontext * ctx, const GLubyte ** inst,
- struct var_cache **vc_head,
- struct arb_program *Program,
- struct prog_src_register *reg )
+static GLuint
+parse_dst_reg(GLcontext * ctx, const GLubyte ** inst,
+ struct var_cache **vc_head, struct arb_program *program,
+ struct prog_dst_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;
+ GLint mask;
+ GLuint idx;
+ enum register_file file;
- /* And the src reg */
- if (parse_src_reg (ctx, inst, vc_head, Program, &File, &Index, &IsRelOffset))
+ if (parse_masked_dst_reg (ctx, inst, vc_head, program, &file, &idx, &mask))
return 1;
- /* finally, the swizzle */
- parse_swizzle_mask(inst, Swizzle, 1);
-
- reg->File = File;
- reg->Index = Index;
- reg->NegateBase = Negate;
- reg->Swizzle = (Swizzle[0] << 0);
-
+ reg->File = file;
+ reg->Index = idx;
+ reg->WriteMask = mask;
return 0;
}
break;
}
- if (parse_fp_dst_reg (ctx, inst, vc_head, Program, &fp->DstReg))
+ if (parse_dst_reg (ctx, inst, vc_head, Program, &fp->DstReg))
return 1;
- if (parse_fp_vector_src_reg(ctx, inst, vc_head, Program, &fp->SrcReg[0]))
+ if (parse_vector_src_reg(ctx, inst, vc_head, Program, &fp->SrcReg[0]))
return 1;
break;
break;
}
- if (parse_fp_dst_reg (ctx, inst, vc_head, Program, &fp->DstReg))
+ if (parse_dst_reg (ctx, inst, vc_head, Program, &fp->DstReg))
return 1;
- if (parse_fp_scalar_src_reg(ctx, inst, vc_head, Program, &fp->SrcReg[0]))
+ if (parse_scalar_src_reg(ctx, inst, vc_head, Program, &fp->SrcReg[0]))
return 1;
break;
break;
}
- if (parse_fp_dst_reg(ctx, inst, vc_head, Program, &fp->DstReg))
+ if (parse_dst_reg(ctx, inst, vc_head, Program, &fp->DstReg))
return 1;
for (a = 0; a < 2; a++) {
- if (parse_fp_scalar_src_reg(ctx, inst, vc_head, Program, &fp->SrcReg[a]))
+ if (parse_scalar_src_reg(ctx, inst, vc_head, Program, &fp->SrcReg[a]))
return 1;
}
break;
break;
}
- if (parse_fp_dst_reg (ctx, inst, vc_head, Program, &fp->DstReg))
+ if (parse_dst_reg (ctx, inst, vc_head, Program, &fp->DstReg))
return 1;
for (a = 0; a < 2; a++) {
- if (parse_fp_vector_src_reg(ctx, inst, vc_head, Program, &fp->SrcReg[a]))
+ if (parse_vector_src_reg(ctx, inst, vc_head, Program, &fp->SrcReg[a]))
return 1;
}
break;
break;
}
- if (parse_fp_dst_reg (ctx, inst, vc_head, Program, &fp->DstReg))
+ if (parse_dst_reg (ctx, inst, vc_head, Program, &fp->DstReg))
return 1;
for (a = 0; a < 3; a++) {
- if (parse_fp_vector_src_reg(ctx, inst, vc_head, Program, &fp->SrcReg[a]))
+ if (parse_vector_src_reg(ctx, inst, vc_head, Program, &fp->SrcReg[a]))
return 1;
}
break;
fp->Opcode = OPCODE_SWZ;
break;
}
- if (parse_fp_dst_reg (ctx, inst, vc_head, Program, &fp->DstReg))
+ if (parse_dst_reg (ctx, inst, vc_head, Program, &fp->DstReg))
return 1;
{
break;
}
- if (parse_fp_dst_reg (ctx, inst, vc_head, Program, &fp->DstReg))
+ if (parse_dst_reg (ctx, inst, vc_head, Program, &fp->DstReg))
return 1;
- if (parse_fp_vector_src_reg(ctx, inst, vc_head, Program, &fp->SrcReg[0]))
+ if (parse_vector_src_reg(ctx, inst, vc_head, Program, &fp->SrcReg[0]))
return 1;
/* texImageUnit */
case OP_TEX_KIL:
Program->UsesKill = 1;
- if (parse_fp_vector_src_reg(ctx, inst, vc_head, Program, &fp->SrcReg[0]))
+ if (parse_vector_src_reg(ctx, inst, vc_head, Program, &fp->SrcReg[0]))
return 1;
fp->Opcode = OPCODE_KIL;
break;
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
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
vp->DstReg.File = PROGRAM_ADDRESS;
/* Get a scalar src register */
- if (parse_vp_scalar_src_reg(ctx, inst, vc_head, Program, &vp->SrcReg[0]))
+ if (parse_scalar_src_reg(ctx, inst, vc_head, Program, &vp->SrcReg[0]))
return 1;
break;
break;
}
- if (parse_vp_dst_reg(ctx, inst, vc_head, Program, &vp->DstReg))
+ if (parse_dst_reg(ctx, inst, vc_head, Program, &vp->DstReg))
return 1;
- if (parse_vp_vector_src_reg(ctx, inst, vc_head, Program, &vp->SrcReg[0]))
+ if (parse_vector_src_reg(ctx, inst, vc_head, Program, &vp->SrcReg[0]))
return 1;
break;
vp->Opcode = OPCODE_RSQ;
break;
}
- if (parse_vp_dst_reg(ctx, inst, vc_head, Program, &vp->DstReg))
+ if (parse_dst_reg(ctx, inst, vc_head, Program, &vp->DstReg))
return 1;
- if (parse_vp_scalar_src_reg(ctx, inst, vc_head, Program, &vp->SrcReg[0]))
+ if (parse_scalar_src_reg(ctx, inst, vc_head, Program, &vp->SrcReg[0]))
return 1;
break;
vp->Opcode = OPCODE_POW;
break;
}
- if (parse_vp_dst_reg(ctx, inst, vc_head, Program, &vp->DstReg))
+ if (parse_dst_reg(ctx, inst, vc_head, Program, &vp->DstReg))
return 1;
for (a = 0; a < 2; a++) {
- if (parse_vp_scalar_src_reg(ctx, inst, vc_head, Program, &vp->SrcReg[a]))
+ if (parse_scalar_src_reg(ctx, inst, vc_head, Program, &vp->SrcReg[a]))
return 1;
}
break;
vp->Opcode = OPCODE_XPD;
break;
}
- if (parse_vp_dst_reg(ctx, inst, vc_head, Program, &vp->DstReg))
+ if (parse_dst_reg(ctx, inst, vc_head, Program, &vp->DstReg))
return 1;
for (a = 0; a < 2; a++) {
- if (parse_vp_vector_src_reg(ctx, inst, vc_head, Program, &vp->SrcReg[a]))
+ if (parse_vector_src_reg(ctx, inst, vc_head, Program, &vp->SrcReg[a]))
return 1;
}
break;
break;
}
- if (parse_vp_dst_reg(ctx, inst, vc_head, Program, &vp->DstReg))
+ if (parse_dst_reg(ctx, inst, vc_head, Program, &vp->DstReg))
return 1;
for (a = 0; a < 3; a++) {
- if (parse_vp_vector_src_reg(ctx, inst, vc_head, Program, &vp->SrcReg[a]))
+ if (parse_vector_src_reg(ctx, inst, vc_head, Program, &vp->SrcReg[a]))
return 1;
}
break;
enum register_file file;
GLint index;
- if (parse_vp_dst_reg(ctx, inst, vc_head, Program, &vp->DstReg))
+ if (parse_dst_reg(ctx, inst, vc_head, Program, &vp->DstReg))
return 1;
if (parse_src_reg(ctx, inst, vc_head, Program, &file, &index, &relAddr))
int line, col;
char *s;
fprintf(stderr, "program: %s\n", (char *) strz);
- fprintf(stderr, "Error Pos: %d\n", ctx->program.ErrorPos);
- s = (char *) _mesa_find_line_column(strz, strz+ctx->program.ErrorPos,
+ 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)
+ } while (0);
#endif
_mesa_free(strz);
program->Base.NumNativeTexIndirections = ap.Base.NumTexIndirections;
program->Base.InputsRead = ap.Base.InputsRead;
program->Base.OutputsWritten = ap.Base.OutputsWritten;
- for (i = 0; i < MAX_TEXTURE_IMAGE_UNITS; i++)
+ for (i = 0; i < MAX_TEXTURE_IMAGE_UNITS; i++) {
program->Base.TexturesUsed[i] = ap.TexturesUsed[i];
+ if (ap.TexturesUsed[i])
+ program->Base.SamplersUsed |= (1 << i);
+ }
program->Base.ShadowSamplers = ap.ShadowSamplers;
program->FogOption = ap.FogOption;
program->UsesKill = ap.UsesKill;
_mesa_free_parameter_list(program->Base.Parameters);
program->Base.Parameters = ap.Base.Parameters;
+ /* Append fog instructions now if the program has "OPTION ARB_fog_exp"
+ * or similar. We used to leave this up to drivers, but it appears
+ * there's no hardware that wants to do fog in a discrete stage separate
+ * from the fragment shader.
+ */
+ if (program->FogOption != GL_NONE) {
+ _mesa_append_fog_code(ctx, program);
+ program->FogOption = GL_NONE;
+ }
+
#if DEBUG_FP
_mesa_printf("____________Fragment program %u ________\n", program->Base.ID);
_mesa_print_program(&program->Base);
ASSERT(target == GL_VERTEX_PROGRAM_ARB);
if (!_mesa_parse_arb_program(ctx, target, (const GLubyte*) str, len, &ap)) {
- /* Error in the program. Just return. */
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glProgramString(bad program)");
return;
}
projects / mesa.git / blobdiff