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/* |
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* Copyright 2009 Nicolai Hähnle <nhaehnle@gmail.com> |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a |
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* copy of this software and associated documentation files (the "Software"), |
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* to deal in the Software without restriction, including without limitation |
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* on the rights to use, copy, modify, merge, publish, distribute, sub |
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* license, and/or sell copies of the Software, and to permit persons to whom |
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* the Software is furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice (including the next |
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* paragraph) shall be included in all copies or substantial portions of the |
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* Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
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* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, |
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
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* USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
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#ifndef RADEON_CODE_H |
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#define RADEON_CODE_H |
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#define R300_PFS_MAX_ALU_INST 64 |
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#define R300_PFS_MAX_TEX_INST 32 |
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#define R300_PFS_MAX_TEX_INDIRECT 4 |
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#define R300_PFS_NUM_TEMP_REGS 32 |
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#define R300_PFS_NUM_CONST_REGS 32 |
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#define R500_PFS_MAX_INST 512 |
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#define R500_PFS_NUM_TEMP_REGS 128 |
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#define R500_PFS_NUM_CONST_REGS 256 |
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#define STATE_R300_WINDOW_DIMENSION (STATE_INTERNAL_DRIVER+0) |
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#define STATE_R300_TEXRECT_FACTOR (STATE_INTERNAL_DRIVER+1) |
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/** |
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* Stores state that influences the compilation of a fragment program. |
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*/ |
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struct r300_fragment_program_external_state { |
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struct { |
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/** |
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* If the sampler is used as a shadow sampler, |
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* this field is: |
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* 0 - GL_LUMINANCE |
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* 1 - GL_INTENSITY |
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* 2 - GL_ALPHA |
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* depending on the depth texture mode. |
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*/ |
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GLuint depth_texture_mode : 2; |
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/** |
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* If the sampler is used as a shadow sampler, |
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* this field is (texture_compare_func - GL_NEVER). |
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* [e.g. if compare function is GL_LEQUAL, this field is 3] |
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* |
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* Otherwise, this field is 0. |
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*/ |
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GLuint texture_compare_func : 3; |
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} unit[16]; |
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}; |
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struct r300_fragment_program_node { |
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int tex_offset; /**< first tex instruction */ |
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int tex_end; /**< last tex instruction, relative to tex_offset */ |
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int alu_offset; /**< first ALU instruction */ |
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int alu_end; /**< last ALU instruction, relative to alu_offset */ |
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int flags; |
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}; |
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/** |
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* Stores an R300 fragment program in its compiled-to-hardware form. |
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*/ |
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struct r300_fragment_program_code { |
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struct { |
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int length; /**< total # of texture instructions used */ |
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GLuint inst[R300_PFS_MAX_TEX_INST]; |
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} tex; |
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struct { |
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int length; /**< total # of ALU instructions used */ |
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struct { |
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GLuint inst0; |
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GLuint inst1; |
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GLuint inst2; |
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GLuint inst3; |
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} inst[R300_PFS_MAX_ALU_INST]; |
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} alu; |
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struct r300_fragment_program_node node[4]; |
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int cur_node; |
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int first_node_has_tex; |
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/** |
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* Remember which program register a given hardware constant |
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* belongs to. |
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*/ |
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struct prog_src_register constant[R300_PFS_NUM_CONST_REGS]; |
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int const_nr; |
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int max_temp_idx; |
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}; |
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struct r500_fragment_program_code { |
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struct { |
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GLuint inst0; |
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GLuint inst1; |
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GLuint inst2; |
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GLuint inst3; |
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GLuint inst4; |
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GLuint inst5; |
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} inst[R500_PFS_MAX_INST]; |
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int inst_offset; |
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int inst_end; |
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/** |
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* Remember which program register a given hardware constant |
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* belongs to. |
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*/ |
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struct prog_src_register constant[R500_PFS_NUM_CONST_REGS]; |
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int const_nr; |
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int max_temp_idx; |
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}; |
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struct rX00_fragment_program_code { |
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union { |
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struct r300_fragment_program_code r300; |
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struct r500_fragment_program_code r500; |
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} code; |
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GLboolean writes_depth; |
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/* attribute that we are sending the WPOS in */ |
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gl_frag_attrib wpos_attr; |
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/* attribute that we are sending the fog coordinate in */ |
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gl_frag_attrib fog_attr; |
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}; |
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#endif /* RADEON_CODE_H */ |