/**************************************************************************
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*
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* Copyright 2009 VMware, Inc.
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* All Rights Reserved.
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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
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/**
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* @file
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* C - JIT interfaces
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*
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* @author Jose Fonseca <jfonseca@vmware.com>
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*/
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#ifndef LP_JIT_H
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#define LP_JIT_H
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#include "gallivm/lp_bld_struct.h"
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#include "gallivm/lp_bld_limits.h"
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#include "pipe/p_state.h"
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#include "lp_texture.h"
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struct lp_build_format_cache;
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struct lp_fragment_shader_variant;
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struct llvmpipe_screen;
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struct lp_jit_texture
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{
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uint32_t width; /* same as number of elements */
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uint32_t height;
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uint32_t depth; /* doubles as array size */
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uint32_t first_level;
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uint32_t last_level;
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const void *base;
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uint32_t row_stride[LP_MAX_TEXTURE_LEVELS];
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uint32_t img_stride[LP_MAX_TEXTURE_LEVELS];
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uint32_t mip_offsets[LP_MAX_TEXTURE_LEVELS];
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};
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struct lp_jit_sampler
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{
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float min_lod;
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float max_lod;
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float lod_bias;
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float border_color[4];
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};
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struct lp_jit_viewport
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{
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float min_depth;
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float max_depth;
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};
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enum {
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LP_JIT_TEXTURE_WIDTH = 0,
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LP_JIT_TEXTURE_HEIGHT,
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LP_JIT_TEXTURE_DEPTH,
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LP_JIT_TEXTURE_FIRST_LEVEL,
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LP_JIT_TEXTURE_LAST_LEVEL,
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LP_JIT_TEXTURE_BASE,
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LP_JIT_TEXTURE_ROW_STRIDE,
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LP_JIT_TEXTURE_IMG_STRIDE,
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LP_JIT_TEXTURE_MIP_OFFSETS,
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LP_JIT_TEXTURE_NUM_FIELDS /* number of fields above */
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};
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enum {
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LP_JIT_SAMPLER_MIN_LOD,
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LP_JIT_SAMPLER_MAX_LOD,
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LP_JIT_SAMPLER_LOD_BIAS,
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LP_JIT_SAMPLER_BORDER_COLOR,
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LP_JIT_SAMPLER_NUM_FIELDS /* number of fields above */
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};
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enum {
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LP_JIT_VIEWPORT_MIN_DEPTH,
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LP_JIT_VIEWPORT_MAX_DEPTH,
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LP_JIT_VIEWPORT_NUM_FIELDS /* number of fields above */
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};
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/**
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* This structure is passed directly to the generated fragment shader.
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*
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* It contains the derived state.
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*
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* Changes here must be reflected in the lp_jit_context_* macros and
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* lp_jit_init_types function. Changes to the ordering should be avoided.
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*
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* Only use types with a clear size and padding here, in particular prefer the
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* stdint.h types to the basic integer types.
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*/
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struct lp_jit_context
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{
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const float *constants[LP_MAX_TGSI_CONST_BUFFERS];
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int num_constants[LP_MAX_TGSI_CONST_BUFFERS];
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float alpha_ref_value;
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uint32_t stencil_ref_front, stencil_ref_back;
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uint8_t *u8_blend_color;
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float *f_blend_color;
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struct lp_jit_viewport *viewports;
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struct lp_jit_texture textures[PIPE_MAX_SHADER_SAMPLER_VIEWS];
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struct lp_jit_sampler samplers[PIPE_MAX_SAMPLERS];
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};
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/**
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* These enum values must match the position of the fields in the
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* lp_jit_context struct above.
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*/
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enum {
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LP_JIT_CTX_CONSTANTS = 0,
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LP_JIT_CTX_NUM_CONSTANTS,
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LP_JIT_CTX_ALPHA_REF,
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LP_JIT_CTX_STENCIL_REF_FRONT,
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LP_JIT_CTX_STENCIL_REF_BACK,
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LP_JIT_CTX_U8_BLEND_COLOR,
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LP_JIT_CTX_F_BLEND_COLOR,
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LP_JIT_CTX_VIEWPORTS,
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LP_JIT_CTX_TEXTURES,
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LP_JIT_CTX_SAMPLERS,
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LP_JIT_CTX_COUNT
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};
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#define lp_jit_context_constants(_gallivm, _ptr) \
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lp_build_struct_get_ptr(_gallivm, _ptr, LP_JIT_CTX_CONSTANTS, "constants")
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#define lp_jit_context_num_constants(_gallivm, _ptr) \
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lp_build_struct_get_ptr(_gallivm, _ptr, LP_JIT_CTX_NUM_CONSTANTS, "num_constants")
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#define lp_jit_context_alpha_ref_value(_gallivm, _ptr) \
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lp_build_struct_get(_gallivm, _ptr, LP_JIT_CTX_ALPHA_REF, "alpha_ref_value")
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#define lp_jit_context_stencil_ref_front_value(_gallivm, _ptr) \
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lp_build_struct_get(_gallivm, _ptr, LP_JIT_CTX_STENCIL_REF_FRONT, "stencil_ref_front")
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#define lp_jit_context_stencil_ref_back_value(_gallivm, _ptr) \
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lp_build_struct_get(_gallivm, _ptr, LP_JIT_CTX_STENCIL_REF_BACK, "stencil_ref_back")
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#define lp_jit_context_u8_blend_color(_gallivm, _ptr) \
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lp_build_struct_get(_gallivm, _ptr, LP_JIT_CTX_U8_BLEND_COLOR, "u8_blend_color")
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#define lp_jit_context_f_blend_color(_gallivm, _ptr) \
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lp_build_struct_get(_gallivm, _ptr, LP_JIT_CTX_F_BLEND_COLOR, "f_blend_color")
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#define lp_jit_context_viewports(_gallivm, _ptr) \
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lp_build_struct_get(_gallivm, _ptr, LP_JIT_CTX_VIEWPORTS, "viewports")
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#define lp_jit_context_textures(_gallivm, _ptr) \
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lp_build_struct_get_ptr(_gallivm, _ptr, LP_JIT_CTX_TEXTURES, "textures")
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#define lp_jit_context_samplers(_gallivm, _ptr) \
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lp_build_struct_get_ptr(_gallivm, _ptr, LP_JIT_CTX_SAMPLERS, "samplers")
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struct lp_jit_thread_data
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{
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struct lp_build_format_cache *cache;
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uint64_t vis_counter;
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/*
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* Non-interpolated rasterizer state passed through to the fragment shader.
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*/
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struct {
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uint32_t viewport_index;
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} raster_state;
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};
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enum {
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LP_JIT_THREAD_DATA_CACHE = 0,
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LP_JIT_THREAD_DATA_COUNTER,
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LP_JIT_THREAD_DATA_RASTER_STATE_VIEWPORT_INDEX,
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LP_JIT_THREAD_DATA_COUNT
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};
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#define lp_jit_thread_data_cache(_gallivm, _ptr) \
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lp_build_struct_get(_gallivm, _ptr, LP_JIT_THREAD_DATA_CACHE, "cache")
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#define lp_jit_thread_data_counter(_gallivm, _ptr) \
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lp_build_struct_get_ptr(_gallivm, _ptr, LP_JIT_THREAD_DATA_COUNTER, "counter")
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#define lp_jit_thread_data_raster_state_viewport_index(_gallivm, _ptr) \
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lp_build_struct_get(_gallivm, _ptr, \
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LP_JIT_THREAD_DATA_RASTER_STATE_VIEWPORT_INDEX, \
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"raster_state.viewport_index")
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/**
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* typedef for fragment shader function
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*
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* @param context jit context
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* @param x block start x
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* @param y block start y
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* @param facing is front facing
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* @param a0 shader input a0
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* @param dadx shader input dadx
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* @param dady shader input dady
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* @param color color buffer
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* @param depth depth buffer
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* @param mask mask of visible pixels in block
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* @param thread_data task thread data
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* @param stride color buffer row stride in bytes
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* @param depth_stride depth buffer row stride in bytes
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*/
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typedef void
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(*lp_jit_frag_func)(const struct lp_jit_context *context,
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uint32_t x,
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uint32_t y,
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uint32_t facing,
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const void *a0,
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const void *dadx,
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const void *dady,
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uint8_t **color,
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uint8_t *depth,
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uint32_t mask,
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struct lp_jit_thread_data *thread_data,
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unsigned *stride,
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unsigned depth_stride);
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void
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lp_jit_screen_cleanup(struct llvmpipe_screen *screen);
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boolean
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lp_jit_screen_init(struct llvmpipe_screen *screen);
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void
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lp_jit_init_types(struct lp_fragment_shader_variant *lp);
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#endif /* LP_JIT_H */
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