From e5bed439be4fd7c3a349aedc4bff7eec4e4d363e Mon Sep 17 00:00:00 2001 From: Nicolai Hähnle Date: Wed, 15 Jul 2009 17:36:42 +0200 Subject: r300: Detangle fragment program compiler from driver-specific structure MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This is in preparation of sharing the fragment program compiler with Gallium: Compiler code is moved into its own directory and modified so that it no longer depends on driver structures. Signed-off-by: Nicolai Hähnle --- .../drivers/dri/r300/compiler/radeon_program.h | 131 +++++++++++++++++++++ 1 file changed, 131 insertions(+) create mode 100644 src/mesa/drivers/dri/r300/compiler/radeon_program.h (limited to 'src/mesa/drivers/dri/r300/compiler/radeon_program.h') diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_program.h b/src/mesa/drivers/dri/r300/compiler/radeon_program.h new file mode 100644 index 0000000000..88474d43a2 --- /dev/null +++ b/src/mesa/drivers/dri/r300/compiler/radeon_program.h @@ -0,0 +1,131 @@ +/* + * Copyright (C) 2008 Nicolai Haehnle. + * + * All Rights Reserved. + * + * 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. + * + */ + +#ifndef __RADEON_PROGRAM_H_ +#define __RADEON_PROGRAM_H_ + +#include "main/glheader.h" +#include "main/macros.h" +#include "main/enums.h" +#include "shader/program.h" +#include "shader/prog_instruction.h" + + +enum { + CLAUSE_MIXED = 0, + CLAUSE_ALU, + CLAUSE_TEX +}; + +enum { + PROGRAM_BUILTIN = PROGRAM_FILE_MAX /**< not a real register, but a special swizzle constant */ +}; + +enum { + OPCODE_REPL_ALPHA = MAX_OPCODE /**< used in paired instructions */ +}; + +#define SWIZZLE_0000 MAKE_SWIZZLE4(SWIZZLE_ZERO, SWIZZLE_ZERO, SWIZZLE_ZERO, SWIZZLE_ZERO) +#define SWIZZLE_1111 MAKE_SWIZZLE4(SWIZZLE_ONE, SWIZZLE_ONE, SWIZZLE_ONE, SWIZZLE_ONE) + +static inline GLuint get_swz(GLuint swz, GLuint idx) +{ + if (idx & 0x4) + return idx; + return GET_SWZ(swz, idx); +} + +static inline GLuint combine_swizzles4(GLuint src, GLuint swz_x, GLuint swz_y, GLuint swz_z, GLuint swz_w) +{ + GLuint ret = 0; + + ret |= get_swz(src, swz_x); + ret |= get_swz(src, swz_y) << 3; + ret |= get_swz(src, swz_z) << 6; + ret |= get_swz(src, swz_w) << 9; + + return ret; +} + +static inline GLuint combine_swizzles(GLuint src, GLuint swz) +{ + GLuint ret = 0; + + ret |= get_swz(src, GET_SWZ(swz, SWIZZLE_X)); + ret |= get_swz(src, GET_SWZ(swz, SWIZZLE_Y)) << 3; + ret |= get_swz(src, GET_SWZ(swz, SWIZZLE_Z)) << 6; + ret |= get_swz(src, GET_SWZ(swz, SWIZZLE_W)) << 9; + + return ret; +} + + +/** + * Transformation context that is passed to local transformations. + * + * Care must be taken with some operations during transformation, + * e.g. finding new temporary registers must use @ref radeonFindFreeTemporary + */ +struct radeon_transform_context { + GLcontext *Ctx; + struct gl_program *Program; + struct prog_instruction *OldInstructions; + GLuint OldNumInstructions; +}; + +/** + * A transformation that can be passed to \ref radeonLocalTransform. + * + * The function will be called once for each instruction. + * It has to either emit the appropriate transformed code for the instruction + * and return GL_TRUE, or return GL_FALSE if it doesn't understand the + * instruction. + * + * The function gets passed the userData as last parameter. + */ +struct radeon_program_transformation { + GLboolean (*function)( + struct radeon_transform_context*, + struct prog_instruction*, + void*); + void *userData; +}; + +void radeonLocalTransform( + GLcontext* ctx, + struct gl_program *program, + int num_transformations, + struct radeon_program_transformation* transformations); + +/** + * Find a usable free temporary register during program transformation + */ +GLint radeonFindFreeTemporary(struct radeon_transform_context *ctx); + +struct prog_instruction *radeonAppendInstructions(struct gl_program *program, int count); + +#endif -- cgit v1.2.3