/*
* Mesa 3-D graphics library
- * Version: 6.5.3
+ * Version: 7.1
*
* Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
*
* \author Karl Rasche
*/
-#include "glheader.h"
-#include "imports.h"
+#include "main/glheader.h"
+#include "main/imports.h"
+#include "shader/grammar/grammar_mesa.h"
#include "arbprogparse.h"
-#include "grammar_mesa.h"
#include "program.h"
#include "prog_parameter.h"
#include "prog_statevars.h"
/* ARB_fragment_program specifics */
GLbitfield TexturesUsed[MAX_TEXTURE_IMAGE_UNITS];
+ GLbitfield ShadowSamplers;
GLuint NumAluInstructions;
GLuint NumTexInstructions;
GLuint NumTexIndirections;
/* GL_MESA_texture_array */
#define TEXTARGET_1D_ARRAY 0x09
#define TEXTARGET_2D_ARRAY 0x0a
+#define TEXTARGET_SHADOW1D_ARRAY 0x0b
+#define TEXTARGET_SHADOW2D_ARRAY 0x0c
/* face type */
#define FACE_FRONT 0x00
}
+/**
+ * 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;
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;
}
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;
}
GLuint texcoord;
GLubyte instClass, type, code;
GLboolean rel;
+ GLuint shadow_tex = 0;
_mesa_init_instructions(fp, 1);
/* texTarget */
switch (*(*inst)++) {
+ case TEXTARGET_SHADOW1D:
+ shadow_tex = 1 << texcoord;
+ /* FALLTHROUGH */
case TEXTARGET_1D:
fp->TexSrcTarget = TEXTURE_1D_INDEX;
break;
+ case TEXTARGET_SHADOW2D:
+ shadow_tex = 1 << texcoord;
+ /* FALLTHROUGH */
case TEXTARGET_2D:
fp->TexSrcTarget = TEXTURE_2D_INDEX;
break;
case TEXTARGET_3D:
fp->TexSrcTarget = TEXTURE_3D_INDEX;
break;
+ case TEXTARGET_SHADOWRECT:
+ shadow_tex = 1 << texcoord;
+ /* FALLTHROUGH */
case TEXTARGET_RECT:
fp->TexSrcTarget = TEXTURE_RECT_INDEX;
break;
case TEXTARGET_CUBE:
fp->TexSrcTarget = TEXTURE_CUBE_INDEX;
break;
- case TEXTARGET_SHADOW1D:
- case TEXTARGET_SHADOW2D:
- case TEXTARGET_SHADOWRECT:
- /* TODO ARB_fragment_program_shadow code */
- break;
+ case TEXTARGET_SHADOW1D_ARRAY:
+ shadow_tex = 1 << texcoord;
+ /* FALLTHROUGH */
case TEXTARGET_1D_ARRAY:
fp->TexSrcTarget = TEXTURE_1D_ARRAY_INDEX;
break;
+ case TEXTARGET_SHADOW2D_ARRAY:
+ shadow_tex = 1 << texcoord;
+ /* FALLTHROUGH */
case TEXTARGET_2D_ARRAY:
fp->TexSrcTarget = TEXTURE_2D_ARRAY_INDEX;
break;
}
+
+ /* Don't test the first time a particular sampler is seen. Each time
+ * after that, make sure the shadow state is the same.
+ */
+ if ((_mesa_bitcount(Program->TexturesUsed[texcoord]) > 0)
+ && ((Program->ShadowSamplers & (1 << texcoord)) != shadow_tex)) {
+ program_error(ctx, Program->Position,
+ "texture image unit used for shadow sampling and non-shadow sampling");
+ return 1;
+ }
+
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) {
"multiple targets used on one texture image unit");
return 1;
}
+
+
+ Program->ShadowSamplers |= shadow_tex;
break;
case OP_TEX_KIL:
/* XXX temporary */
LONGSTRING static char core_grammar_text[] =
-#include "grammar_syn.h"
+#include "shader/grammar/grammar_syn.h"
;
if (ctx->Extensions.ARB_matrix_palette
&& !enable_ext(ctx, id, "matrix_palette"))
return GL_FALSE;
+#endif
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;
program->HintPositionInvariant = GL_FALSE;
for (a = 0; a < MAX_TEXTURE_IMAGE_UNITS; a++)
program->TexturesUsed[a] = 0x0;
+ program->ShadowSamplers = 0x0;
program->NumAluInstructions =
program->NumTexInstructions =
program->NumTexIndirections = 0;
program->Base.OutputsWritten = ap.Base.OutputsWritten;
for (i = 0; i < MAX_TEXTURE_IMAGE_UNITS; i++)
program->Base.TexturesUsed[i] = ap.TexturesUsed[i];
+ program->Base.ShadowSamplers = ap.ShadowSamplers;
program->FogOption = ap.FogOption;
program->UsesKill = ap.UsesKill;