r300/compiler: add new compiler parameter max_constants

src/gallium/drivers/r300/r300_fs.c

@@ -386,6 +386,7 @@ static void r300_translate_fragment_shader(
     compiler.state = shader->compare_state;
     compiler.Base.is_r500 = r300->screen->caps.is_r500;
     compiler.Base.max_temp_regs = compiler.Base.is_r500 ? 128 : 32;
+    compiler.Base.max_constants = compiler.Base.is_r500 ? 256 : 32;
     compiler.Base.max_alu_insts = compiler.Base.is_r500 ? 512 : 64;
     compiler.Base.remove_unused_constants = TRUE;
     compiler.AllocateHwInputs = &allocate_hardware_inputs;

src/gallium/drivers/r300/r300_vs.c

@@ -206,6 +206,7 @@ void r300_translate_vertex_shader(struct r300_context *r300,
     compiler.UserData = vs;
     compiler.Base.is_r500 = r300->screen->caps.is_r500;
     compiler.Base.max_temp_regs = 32;
+    compiler.Base.max_constants = 256;
     compiler.Base.max_alu_insts = r300->screen->caps.is_r500 ? 1024 : 256;
     compiler.Base.remove_unused_constants = TRUE;
 

src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c

@@ -971,15 +971,6 @@ static struct rc_swizzle_caps r300_vertprog_swizzle_caps = {
 	.Split = 0 /* should never be called */
 };
 
-static void validate_final_shader(struct radeon_compiler *c, void *user)
-{
-	/* Check the number of constants. */
-	if (c->Program.Constants.Count > 256) {
-		rc_error(c, "Too many constants. Max: 256, Got: %i\n",
-			 c->Program.Constants.Count);
-	}
-}
-
 void r3xx_compile_vertex_program(struct r300_vertex_program_compiler *c)
 {
 	int is_r500 = c->Base.is_r500;
@@ -1027,7 +1018,7 @@ void r3xx_compile_vertex_program(struct r300_vertex_program_compiler *c)
 		{"dataflow swizzles",		1, 1,		rc_dataflow_swizzles,		NULL},
 		{"register allocation",		1, 1,		allocate_temporary_registers,	NULL},
 		{"dead constants",		1, kill_consts, rc_remove_unused_constants,	&c->code->constants_remap_table},
-		{"final code validation",	0, 1,		validate_final_shader,		NULL},
+		{"final code validation",	0, 1,		rc_validate_final_shader,	NULL},
 		{"machine code generation",	0, 1,		translate_vertex_program,	NULL},
 		{"dump machine code",		0,c->Base.Debug,r300_vertex_program_dump,	NULL},
 		{NULL, 0, 0, NULL, NULL}

src/mesa/drivers/dri/r300/compiler/radeon_compiler.c

@@ -374,3 +374,12 @@ void rc_run_compiler(struct radeon_compiler *c, struct radeon_compiler_pass *lis
 		}
 	}
 }
+
+void rc_validate_final_shader(struct radeon_compiler *c, void *user)
+{
+	/* Check the number of constants. */
+	if (c->Program.Constants.Count > c->max_constants) {
+		rc_error(c, "Too many constants. Max: 256, Got: %i\n",
+			 c->Program.Constants.Count);
+	}
+}

src/mesa/drivers/dri/r300/compiler/radeon_compiler.h

@@ -42,6 +42,7 @@ struct radeon_compiler {
 	/* Hardware specification. */
 	unsigned is_r500:1;
 	unsigned max_temp_regs;
+	unsigned max_constants;
 	int max_alu_insts;
 
 	/* Whether to remove unused constants and empty holes in constant space. */
@@ -136,5 +137,6 @@ struct radeon_compiler_pass {
 /* Executes a list of compiler passes given in the parameter 'list'. */
 void rc_run_compiler(struct radeon_compiler *c, struct radeon_compiler_pass *list,
 		     const char *shader_name);
+void rc_validate_final_shader(struct radeon_compiler *c, void *user);
 
 #endif /* RADEON_COMPILER_H */

src/mesa/drivers/dri/r300/r300_blit.c

@@ -90,6 +90,7 @@ static void create_vertex_program(struct r300_context *r300)
     compiler.code = &r300->blit.vp_code;
     compiler.Base.is_r500 = r300->radeon.radeonScreen->chip_family >= CHIP_FAMILY_RV515;
     compiler.Base.max_temp_regs = 32;
+    compiler.Base.max_constants = 256;
     compiler.Base.max_alu_insts = compiler.Base.is_r500 ? 1024 : 256;
 
     r3xx_compile_vertex_program(&compiler);
@@ -123,6 +124,7 @@ static void create_fragment_program(struct r300_context *r300)
     compiler.enable_shadow_ambient = GL_TRUE;
     compiler.Base.is_r500 = (r300->radeon.radeonScreen->chip_family >= CHIP_FAMILY_RV515);
     compiler.Base.max_temp_regs = (compiler.Base.is_r500) ? 128 : 32;
+    compiler.Base.max_constants = compiler.Base.is_r500 ? 256 : 32;
     compiler.Base.max_alu_insts = compiler.Base.is_r500 ? 512 : 64;
     compiler.code = &r300->blit.fp_code;
     compiler.AllocateHwInputs = fp_allocate_hw_inputs;

src/mesa/drivers/dri/r300/r300_fragprog_common.c

@@ -221,6 +221,7 @@ static void translate_fragment_program(GLcontext *ctx, struct r300_fragment_prog
 	compiler.enable_shadow_ambient = GL_TRUE;
 	compiler.Base.is_r500 = (r300->radeon.radeonScreen->chip_family >= CHIP_FAMILY_RV515) ? GL_TRUE : GL_FALSE;
 	compiler.Base.max_temp_regs = (compiler.Base.is_r500) ? 128 : 32;
+	compiler.Base.max_constants = compiler.Base.is_r500 ? 256 : 32;
 	compiler.Base.max_alu_insts = compiler.Base.is_r500 ? 512 : 64;
 	compiler.OutputDepth = FRAG_RESULT_DEPTH;
 	memset(compiler.OutputColor, 0, 4 * sizeof(unsigned));

src/mesa/drivers/dri/r300/r300_vertprog.c

@@ -246,6 +246,7 @@ static struct r300_vertex_program *build_program(GLcontext *ctx,
 	compiler.SetHwInputOutput = &t_inputs_outputs;
 	compiler.Base.is_r500 = R300_CONTEXT(ctx)->radeon.radeonScreen->chip_family >= CHIP_FAMILY_RV515;
 	compiler.Base.max_temp_regs = 32;
+	compiler.Base.max_constants = 256;
 	compiler.Base.max_alu_insts = compiler.Base.is_r500 ? 1024 : 256;
 
 	if (compiler.Base.Debug) {