glsl2: Move the compiler to the subdirectory it will live in in Mesa.

1 files changed, 155 insertions, 0 deletions

diff --git a/src/glsl/program.h b/src/glsl/program.h
new file mode 100644
index 0000000000..d21b04344c
--- /dev/null
+++ b/src/glsl/program.h
@@ -0,0 +1,155 @@
+/*
+ * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
+ * Copyright (C) 2009  VMware, Inc.  All Rights Reserved.
+ * Copyright © 2010 Intel Corporation
+ *
+ * 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.
+ */
+
+#include <GL/gl.h>
+#include "main/mtypes.h"
+
+/**
+ * Based on gl_shader in Mesa's mtypes.h.
+ */
+struct glsl_shader {
+   GLenum Type;
+   GLuint Name;
+   GLint RefCount;
+   GLboolean DeletePending;
+   GLboolean CompileStatus;
+   const GLchar *Source;  /**< Source code string */
+   size_t SourceLen;
+   GLchar *InfoLog;
+
+   struct exec_list ir;
+   struct glsl_symbol_table *symbols;
+};
+
+
+typedef int gl_state_index;
+#define STATE_LENGTH 5
+
+/**
+ * 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 */
+   /**
+    * Number of components (1..4), or more.
+    * If the number of components is greater than 4,
+    * this parameter is part of a larger uniform like a GLSL matrix or array.
+    * The next program parameter's Size will be Size-4 of this parameter.
+    */
+   GLuint Size;
+   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[] */
+};
+
+
+/**
+ * Shader program uniform variable.
+ * The glGetUniformLocation() and glUniform() commands will use this
+ * information.
+ * Note that a uniform such as "binormal" might be used in both the
+ * vertex shader and the fragment shader.  When glUniform() is called to
+ * set the uniform's value, it must be updated in both the vertex and
+ * fragment shaders.  The uniform may be in different locations in the
+ * two shaders so we keep track of that here.
+ */
+struct gl_uniform
+{
+   const char *Name;        /**< Null-terminated string */
+   GLint VertPos;
+   GLint FragPos;
+   GLboolean Initialized;   /**< For debug.  Has this uniform been set? */
+#if 0
+   GLenum DataType;         /**< GL_FLOAT, GL_FLOAT_VEC2, etc */
+   GLuint Size;             /**< Number of components (1..4) */
+#endif
+};
+
+
+/**
+ * List of gl_uniforms
+ */
+struct gl_uniform_list
+{
+   GLuint Size;                 /**< allocated size of Uniforms array */
+   GLuint NumUniforms;          /**< number of uniforms in the array */
+   struct gl_uniform *Uniforms; /**< Array [Size] */
+};
+
+
+/**
+ * Based on gl_shader_program in Mesa's mtypes.h.
+ */
+struct glsl_program {
+   GLenum Type;  /**< Always GL_SHADER_PROGRAM (internal token) */
+   GLuint Name;  /**< aka handle or ID */
+   GLint RefCount;  /**< Reference count */
+   GLboolean DeletePending;
+
+   GLuint NumShaders;          /**< number of attached shaders */
+   struct glsl_shader **Shaders; /**< List of attached the shaders */
+
+   /**
+    * Per-stage shaders resulting from the first stage of linking.
+    */
+   /*@{*/
+   unsigned _NumLinkedShaders;
+   struct glsl_shader **_LinkedShaders;
+   /*@}*/
+
+   /** User-defined attribute bindings (glBindAttribLocation) */
+   struct gl_program_parameter_list *Attributes;
+
+   /* post-link info: */
+   struct gl_uniform_list *Uniforms;
+   struct gl_program_parameter_list *Varying;
+   GLboolean LinkStatus;   /**< GL_LINK_STATUS */
+   GLboolean Validated;
+   GLboolean _Used;        /**< Ever used for drawing? */
+   GLchar *InfoLog;
+};
+
+extern void
+link_shaders(struct glsl_program *prog);