| /* |
| Copyright (C) Intel Corp. 2006. All Rights Reserved. |
| Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to |
| develop this 3D driver. |
| |
| 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 (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 NONINFRINGEMENT. |
| IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS 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. |
| |
| **********************************************************************/ |
| /* |
| * Authors: |
| * Keith Whitwell <keith@tungstengraphics.com> |
| */ |
| |
| |
| #ifndef BRW_WM_H |
| #define BRW_WM_H |
| |
| #include <stdbool.h> |
| |
| #include "program/prog_instruction.h" |
| #include "brw_context.h" |
| #include "brw_eu.h" |
| #include "brw_program.h" |
| |
| /* A big lookup table is used to figure out which and how many |
| * additional regs will inserted before the main payload in the WM |
| * program execution. These mainly relate to depth and stencil |
| * processing and the early-depth-test optimization. |
| */ |
| #define IZ_PS_KILL_ALPHATEST_BIT 0x1 |
| #define IZ_PS_COMPUTES_DEPTH_BIT 0x2 |
| #define IZ_DEPTH_WRITE_ENABLE_BIT 0x4 |
| #define IZ_DEPTH_TEST_ENABLE_BIT 0x8 |
| #define IZ_STENCIL_WRITE_ENABLE_BIT 0x10 |
| #define IZ_STENCIL_TEST_ENABLE_BIT 0x20 |
| #define IZ_BIT_MAX 0x40 |
| |
| #define AA_NEVER 0 |
| #define AA_SOMETIMES 1 |
| #define AA_ALWAYS 2 |
| |
| struct brw_wm_prog_key { |
| uint8_t iz_lookup; |
| GLuint stats_wm:1; |
| GLuint flat_shade:1; |
| GLuint nr_color_regions:5; |
| GLuint replicate_alpha:1; |
| GLuint render_to_fbo:1; |
| GLuint clamp_fragment_color:1; |
| GLuint line_aa:2; |
| |
| GLushort drawable_height; |
| GLbitfield64 input_slots_valid; |
| GLuint program_string_id:32; |
| |
| struct brw_sampler_prog_key_data tex; |
| }; |
| |
| struct brw_wm_compile { |
| struct brw_wm_prog_key key; |
| struct brw_wm_prog_data prog_data; |
| |
| uint8_t source_depth_reg; |
| uint8_t source_w_reg; |
| uint8_t aa_dest_stencil_reg; |
| uint8_t dest_depth_reg; |
| uint8_t barycentric_coord_reg[BRW_WM_BARYCENTRIC_INTERP_MODE_COUNT]; |
| uint8_t nr_payload_regs; |
| GLuint source_depth_to_render_target:1; |
| GLuint runtime_check_aads_emit:1; |
| |
| GLuint last_scratch; |
| }; |
| |
| /** |
| * Compile a fragment shader. |
| * |
| * Returns the final assembly and the program's size. |
| */ |
| const unsigned *brw_wm_fs_emit(struct brw_context *brw, |
| struct brw_wm_compile *c, |
| struct gl_fragment_program *fp, |
| struct gl_shader_program *prog, |
| unsigned *final_assembly_size); |
| |
| GLboolean brw_link_shader(struct gl_context *ctx, struct gl_shader_program *prog); |
| struct gl_shader *brw_new_shader(struct gl_context *ctx, GLuint name, GLuint type); |
| struct gl_shader_program *brw_new_shader_program(struct gl_context *ctx, GLuint name); |
| |
| bool brw_color_buffer_write_enabled(struct brw_context *brw); |
| bool do_wm_prog(struct brw_context *brw, |
| struct gl_shader_program *prog, |
| struct brw_fragment_program *fp, |
| struct brw_wm_prog_key *key); |
| void brw_wm_debug_recompile(struct brw_context *brw, |
| struct gl_shader_program *prog, |
| const struct brw_wm_prog_key *key); |
| bool brw_wm_prog_data_compare(const void *a, const void *b, |
| int aux_size, const void *key); |
| void brw_wm_prog_data_free(const void *in_prog_data); |
| |
| #endif |