2 * Copyright (C) 2008 Nicolai Haehnle.
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sublicense, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial
16 * portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
21 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
22 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 #ifndef __RADEON_PROGRAM_PAIR_H_
29 #define __RADEON_PROGRAM_PAIR_H_
31 #include "radeon_program.h"
35 * Represents a paired instruction, as found in R300 and R500
38 struct radeon_pair_instruction_source
{
44 struct radeon_pair_instruction_rgb
{
48 GLuint OutputWriteMask
:3;
51 struct radeon_pair_instruction_source Src
[3];
61 struct radeon_pair_instruction_alpha
{
65 GLuint OutputWriteMask
:1;
66 GLuint DepthWriteMask
:1;
69 struct radeon_pair_instruction_source Src
[3];
79 struct radeon_pair_instruction
{
80 struct radeon_pair_instruction_rgb RGB
;
81 struct radeon_pair_instruction_alpha Alpha
;
88 struct radeon_pair_handler
{
90 * Fill in the proper hardware index for the given constant register.
92 * @return GL_FALSE on error.
94 GLboolean (*EmitConst
)(void*, GLuint file
, GLuint index
, GLuint
*hwindex
);
97 * Write a paired instruction to the hardware.
99 * @return GL_FALSE on error.
101 GLboolean (*EmitPaired
)(void*, struct radeon_pair_instruction
*);
104 * Write a texture instruction to the hardware.
105 * Register indices have already been rewritten to the allocated
106 * hardware register numbers.
108 * @return GL_FALSE on error.
110 GLboolean (*EmitTex
)(void*, struct prog_instruction
*);
113 * Called before a block of contiguous, independent texture
114 * instructions is emitted.
116 GLboolean (*BeginTexBlock
)(void*);
121 GLboolean
radeonPairProgram(GLcontext
*ctx
, struct gl_program
*program
,
122 const struct radeon_pair_handler
*, void *userdata
);
124 void radeonPrintPairInstruction(struct radeon_pair_instruction
*inst
);
126 #endif /* __RADEON_PROGRAM_PAIR_H_ */