diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/compiler/radeon_code.h')
| -rw-r--r-- | src/mesa/drivers/dri/r300/compiler/radeon_code.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_code.h b/src/mesa/drivers/dri/r300/compiler/radeon_code.h new file mode 100644 index 0000000000..7d8bf483e7 --- /dev/null +++ b/src/mesa/drivers/dri/r300/compiler/radeon_code.h @@ -0,0 +1,150 @@ +/* + * Copyright 2009 Nicolai Hähnle <nhaehnle@gmail.com> + * + * 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 + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, 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 (including the next + * paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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. */ + +#ifndef RADEON_CODE_H +#define RADEON_CODE_H + + +#define R300_PFS_MAX_ALU_INST 64 +#define R300_PFS_MAX_TEX_INST 32 +#define R300_PFS_MAX_TEX_INDIRECT 4 +#define R300_PFS_NUM_TEMP_REGS 32 +#define R300_PFS_NUM_CONST_REGS 32 + +#define R500_PFS_MAX_INST 512 +#define R500_PFS_NUM_TEMP_REGS 128 +#define R500_PFS_NUM_CONST_REGS 256 + + +#define STATE_R300_WINDOW_DIMENSION (STATE_INTERNAL_DRIVER+0) +#define STATE_R300_TEXRECT_FACTOR (STATE_INTERNAL_DRIVER+1) + + +/** + * Stores state that influences the compilation of a fragment program. + */ +struct r300_fragment_program_external_state { + struct { + /** + * If the sampler is used as a shadow sampler, + * this field is: + * 0 - GL_LUMINANCE + * 1 - GL_INTENSITY + * 2 - GL_ALPHA + * depending on the depth texture mode. + */ + GLuint depth_texture_mode : 2; + + /** + * If the sampler is used as a shadow sampler, + * this field is (texture_compare_func - GL_NEVER). + * [e.g. if compare function is GL_LEQUAL, this field is 3] + * + * Otherwise, this field is 0. + */ + GLuint texture_compare_func : 3; + } unit[16]; +}; + + + +struct r300_fragment_program_node { + int tex_offset; /**< first tex instruction */ + int tex_end; /**< last tex instruction, relative to tex_offset */ + int alu_offset; /**< first ALU instruction */ + int alu_end; /**< last ALU instruction, relative to alu_offset */ + int flags; +}; + +/** + * Stores an R300 fragment program in its compiled-to-hardware form. + */ +struct r300_fragment_program_code { + struct { + int length; /**< total # of texture instructions used */ + GLuint inst[R300_PFS_MAX_TEX_INST]; + } tex; + + struct { + int length; /**< total # of ALU instructions used */ + struct { + GLuint inst0; + GLuint inst1; + GLuint inst2; + GLuint inst3; + } inst[R300_PFS_MAX_ALU_INST]; + } alu; + + struct r300_fragment_program_node node[4]; + int cur_node; + int first_node_has_tex; + + /** + * Remember which program register a given hardware constant + * belongs to. + */ + struct prog_src_register constant[R300_PFS_NUM_CONST_REGS]; + int const_nr; + + int max_temp_idx; +}; + + +struct r500_fragment_program_code { + struct { + GLuint inst0; + GLuint inst1; + GLuint inst2; + GLuint inst3; + GLuint inst4; + GLuint inst5; + } inst[R500_PFS_MAX_INST]; + + int inst_offset; + int inst_end; + + /** + * Remember which program register a given hardware constant + * belongs to. + */ + struct prog_src_register constant[R500_PFS_NUM_CONST_REGS]; + int const_nr; + + int max_temp_idx; +}; + +struct rX00_fragment_program_code { + union { + struct r300_fragment_program_code r300; + struct r500_fragment_program_code r500; + } code; + + GLboolean writes_depth; + + /* attribute that we are sending the WPOS in */ + gl_frag_attrib wpos_attr; + /* attribute that we are sending the fog coordinate in */ + gl_frag_attrib fog_attr; +}; + + +#endif /* RADEON_CODE_H */
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