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authormarha <marha@users.sourceforge.net>2009-10-09 06:31:44 +0000
committermarha <marha@users.sourceforge.net>2009-10-09 06:31:44 +0000
commit06456f5db88b434c3634ede42bdbfdce78fc4249 (patch)
tree97f5174e2d3da40faee7f2ad8858233da3d0166e /mesalib/src/mesa/shader/prog_parameter.h
parent7b230a3fe2d6c83488d9eec43067fe8ba8ac081b (diff)
parenta0c4815433ccd57322f4f7703ca35e9ccfa59250 (diff)
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svn merge ^/branches/released . --username marha
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diff --git a/mesalib/src/mesa/shader/prog_parameter.h b/mesalib/src/mesa/shader/prog_parameter.h
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+/*
+ * Mesa 3-D graphics library
+ * Version: 7.3
+ *
+ * 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"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file prog_parameter.c
+ * Program parameter lists and functions.
+ * \author Brian Paul
+ */
+
+#ifndef PROG_PARAMETER_H
+#define PROG_PARAMETER_H
+
+#include "main/mtypes.h"
+#include "prog_statevars.h"
+
+
+/**
+ * Program parameter flags
+ */
+/*@{*/
+#define PROG_PARAM_BIT_CENTROID 0x1 /**< for varying vars (GLSL 1.20) */
+#define PROG_PARAM_BIT_INVARIANT 0x2 /**< for varying vars (GLSL 1.20) */
+#define PROG_PARAM_BIT_FLAT 0x4 /**< for varying vars (GLSL 1.30) */
+#define PROG_PARAM_BIT_LINEAR 0x8 /**< for varying vars (GLSL 1.30) */
+/*@}*/
+
+
+
+/**
+ * Program parameter.
+ * Used by shaders/programs for uniforms, constants, varying vars, etc.
+ */
+struct gl_program_parameter
+{
+ const char *Name; /**< Null-terminated string */
+ gl_register_file Type; /**< PROGRAM_NAMED_PARAM, CONSTANT or STATE_VAR */
+ GLenum DataType; /**< GL_FLOAT, GL_FLOAT_VEC2, etc */
+ GLuint Size; /**< Number of components (1..4) */
+ GLboolean Used; /**< Helper flag for GLSL uniform tracking */
+ GLboolean Initialized; /**< Has the ParameterValue[] been set? */
+ GLbitfield Flags; /**< Bitmask of PROG_PARAM_*_BIT */
+ /**
+ * A sequence of STATE_* tokens and integers to identify GL state.
+ */
+ gl_state_index StateIndexes[STATE_LENGTH];
+};
+
+
+/**
+ * List of gl_program_parameter instances.
+ */
+struct gl_program_parameter_list
+{
+ GLuint Size; /**< allocated size of Parameters, ParameterValues */
+ GLuint NumParameters; /**< number of parameters in arrays */
+ struct gl_program_parameter *Parameters; /**< Array [Size] */
+ GLfloat (*ParameterValues)[4]; /**< Array [Size] of GLfloat[4] */
+ GLbitfield StateFlags; /**< _NEW_* flags indicating which state changes
+ might invalidate ParameterValues[] */
+};
+
+
+extern struct gl_program_parameter_list *
+_mesa_new_parameter_list(void);
+
+extern struct gl_program_parameter_list *
+_mesa_new_parameter_list_sized(unsigned size);
+
+extern void
+_mesa_free_parameter_list(struct gl_program_parameter_list *paramList);
+
+extern struct gl_program_parameter_list *
+_mesa_clone_parameter_list(const struct gl_program_parameter_list *list);
+
+extern struct gl_program_parameter_list *
+_mesa_combine_parameter_lists(const struct gl_program_parameter_list *a,
+ const struct gl_program_parameter_list *b);
+
+static INLINE GLuint
+_mesa_num_parameters(const struct gl_program_parameter_list *list)
+{
+ return list ? list->NumParameters : 0;
+}
+
+extern GLint
+_mesa_add_parameter(struct gl_program_parameter_list *paramList,
+ gl_register_file type, const char *name,
+ GLuint size, GLenum datatype, const GLfloat *values,
+ const gl_state_index state[STATE_LENGTH],
+ GLbitfield flags);
+
+extern GLint
+_mesa_add_named_parameter(struct gl_program_parameter_list *paramList,
+ const char *name, const GLfloat values[4]);
+
+extern GLint
+_mesa_add_named_constant(struct gl_program_parameter_list *paramList,
+ const char *name, const GLfloat values[4],
+ GLuint size);
+
+extern GLint
+_mesa_add_unnamed_constant(struct gl_program_parameter_list *paramList,
+ const GLfloat values[4], GLuint size,
+ GLuint *swizzleOut);
+
+extern GLint
+_mesa_add_uniform(struct gl_program_parameter_list *paramList,
+ const char *name, GLuint size, GLenum datatype,
+ const GLfloat *values);
+
+extern void
+_mesa_use_uniform(struct gl_program_parameter_list *paramList,
+ const char *name);
+
+extern GLint
+_mesa_add_sampler(struct gl_program_parameter_list *paramList,
+ const char *name, GLenum datatype);
+
+extern GLint
+_mesa_add_varying(struct gl_program_parameter_list *paramList,
+ const char *name, GLuint size, GLbitfield flags);
+
+extern GLint
+_mesa_add_attribute(struct gl_program_parameter_list *paramList,
+ const char *name, GLint size, GLenum datatype, GLint attrib);
+
+extern GLint
+_mesa_add_state_reference(struct gl_program_parameter_list *paramList,
+ const gl_state_index stateTokens[STATE_LENGTH]);
+
+extern GLfloat *
+_mesa_lookup_parameter_value(const struct gl_program_parameter_list *paramList,
+ GLsizei nameLen, const char *name);
+
+extern GLint
+_mesa_lookup_parameter_index(const struct gl_program_parameter_list *paramList,
+ GLsizei nameLen, const char *name);
+
+extern GLboolean
+_mesa_lookup_parameter_constant(const struct gl_program_parameter_list *list,
+ const GLfloat v[], GLuint vSize,
+ GLint *posOut, GLuint *swizzleOut);
+
+extern GLuint
+_mesa_longest_parameter_name(const struct gl_program_parameter_list *list,
+ gl_register_file type);
+
+extern GLuint
+_mesa_num_parameters_of_type(const struct gl_program_parameter_list *list,
+ gl_register_file type);
+
+
+#endif /* PROG_PARAMETER_H */