/************************************************************************** * * Copyright 2009 VMware, Inc. * 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, 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 VMWARE 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. * **************************************************************************/ /** * @file * C - JIT interfaces * * @author Jose Fonseca */ #ifndef LP_JIT_H #define LP_JIT_H #include "gallivm/lp_bld_struct.h" #include "gallivm/lp_bld_limits.h" #include "pipe/p_state.h" #include "lp_texture.h" struct lp_fragment_shader_variant; struct llvmpipe_screen; struct lp_jit_texture { uint32_t width; /* same as number of elements */ uint32_t height; uint32_t depth; /* doubles as array size */ uint32_t first_level; uint32_t last_level; const void *base; uint32_t row_stride[LP_MAX_TEXTURE_LEVELS]; uint32_t img_stride[LP_MAX_TEXTURE_LEVELS]; uint32_t mip_offsets[LP_MAX_TEXTURE_LEVELS]; }; struct lp_jit_sampler { float min_lod; float max_lod; float lod_bias; float border_color[4]; }; enum { LP_JIT_TEXTURE_WIDTH = 0, LP_JIT_TEXTURE_HEIGHT, LP_JIT_TEXTURE_DEPTH, LP_JIT_TEXTURE_FIRST_LEVEL, LP_JIT_TEXTURE_LAST_LEVEL, LP_JIT_TEXTURE_BASE, LP_JIT_TEXTURE_ROW_STRIDE, LP_JIT_TEXTURE_IMG_STRIDE, LP_JIT_TEXTURE_MIP_OFFSETS, LP_JIT_TEXTURE_NUM_FIELDS /* number of fields above */ }; enum { LP_JIT_SAMPLER_MIN_LOD, LP_JIT_SAMPLER_MAX_LOD, LP_JIT_SAMPLER_LOD_BIAS, LP_JIT_SAMPLER_BORDER_COLOR, LP_JIT_SAMPLER_NUM_FIELDS /* number of fields above */ }; /** * This structure is passed directly to the generated fragment shader. * * It contains the derived state. * * Changes here must be reflected in the lp_jit_context_* macros and * lp_jit_init_types function. Changes to the ordering should be avoided. * * Only use types with a clear size and padding here, in particular prefer the * stdint.h types to the basic integer types. */ struct lp_jit_context { const float *constants[LP_MAX_TGSI_CONST_BUFFERS]; float alpha_ref_value; uint32_t stencil_ref_front, stencil_ref_back; uint8_t *u8_blend_color; float *f_blend_color; struct lp_jit_texture textures[PIPE_MAX_SHADER_SAMPLER_VIEWS]; struct lp_jit_sampler samplers[PIPE_MAX_SAMPLERS]; }; /** * These enum values must match the position of the fields in the * lp_jit_context struct above. */ enum { LP_JIT_CTX_CONSTANTS = 0, LP_JIT_CTX_ALPHA_REF, LP_JIT_CTX_STENCIL_REF_FRONT, LP_JIT_CTX_STENCIL_REF_BACK, LP_JIT_CTX_U8_BLEND_COLOR, LP_JIT_CTX_F_BLEND_COLOR, LP_JIT_CTX_TEXTURES, LP_JIT_CTX_SAMPLERS, LP_JIT_CTX_COUNT }; #define lp_jit_context_constants(_gallivm, _ptr) \ lp_build_struct_get_ptr(_gallivm, _ptr, LP_JIT_CTX_CONSTANTS, "constants") #define lp_jit_context_alpha_ref_value(_gallivm, _ptr) \ lp_build_struct_get(_gallivm, _ptr, LP_JIT_CTX_ALPHA_REF, "alpha_ref_value") #define lp_jit_context_stencil_ref_front_value(_gallivm, _ptr) \ lp_build_struct_get(_gallivm, _ptr, LP_JIT_CTX_STENCIL_REF_FRONT, "stencil_ref_front") #define lp_jit_context_stencil_ref_back_value(_gallivm, _ptr) \ lp_build_struct_get(_gallivm, _ptr, LP_JIT_CTX_STENCIL_REF_BACK, "stencil_ref_back") #define lp_jit_context_u8_blend_color(_gallivm, _ptr) \ lp_build_struct_get(_gallivm, _ptr, LP_JIT_CTX_U8_BLEND_COLOR, "u8_blend_color") #define lp_jit_context_f_blend_color(_gallivm, _ptr) \ lp_build_struct_get(_gallivm, _ptr, LP_JIT_CTX_F_BLEND_COLOR, "f_blend_color") #define lp_jit_context_textures(_gallivm, _ptr) \ lp_build_struct_get_ptr(_gallivm, _ptr, LP_JIT_CTX_TEXTURES, "textures") #define lp_jit_context_samplers(_gallivm, _ptr) \ lp_build_struct_get_ptr(_gallivm, _ptr, LP_JIT_CTX_SAMPLERS, "samplers") struct lp_jit_thread_data { uint64_t vis_counter; }; enum { LP_JIT_THREAD_DATA_COUNTER = 0, LP_JIT_THREAD_DATA_COUNT }; #define lp_jit_thread_data_counter(_gallivm, _ptr) \ lp_build_struct_get_ptr(_gallivm, _ptr, LP_JIT_THREAD_DATA_COUNTER, "counter") /** * typedef for fragment shader function * * @param context jit context * @param x block start x * @param y block start y * @param facing is front facing * @param a0 shader input a0 * @param dadx shader input dadx * @param dady shader input dady * @param color color buffer * @param depth depth buffer * @param mask mask of visible pixels in block * @param thread_data task thread data * @param stride color buffer row stride in bytes * @param depth_stride depth buffer row stride in bytes */ typedef void (*lp_jit_frag_func)(const struct lp_jit_context *context, uint32_t x, uint32_t y, uint32_t facing, const void *a0, const void *dadx, const void *dady, uint8_t **color, uint8_t *depth, uint32_t mask, struct lp_jit_thread_data *thread_data, unsigned *stride, unsigned depth_stride); void lp_jit_screen_cleanup(struct llvmpipe_screen *screen); void lp_jit_screen_init(struct llvmpipe_screen *screen); void lp_jit_init_types(struct lp_fragment_shader_variant *lp); #endif /* LP_JIT_H */