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| /************************************************************************** |
| * |
| * 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 <jfonseca@vmware.com> |
| */ |
| |
| #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]; |
| }; |
| |
| |
| struct lp_jit_viewport |
| { |
| float min_depth; |
| float max_depth; |
| }; |
| |
| |
| 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 */ |
| }; |
| |
| |
| enum { |
| LP_JIT_VIEWPORT_MIN_DEPTH, |
| LP_JIT_VIEWPORT_MAX_DEPTH, |
| LP_JIT_VIEWPORT_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]; |
| int num_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_viewport *viewports; |
| |
| 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_NUM_CONSTANTS, |
| 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_VIEWPORTS, |
| 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_num_constants(_gallivm, _ptr) \ |
| lp_build_struct_get_ptr(_gallivm, _ptr, LP_JIT_CTX_NUM_CONSTANTS, "num_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_viewports(_gallivm, _ptr) \ |
| lp_build_struct_get(_gallivm, _ptr, LP_JIT_CTX_VIEWPORTS, "viewports") |
| |
| #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; |
| |
| /* |
| * Non-interpolated rasterizer state passed through to the fragment shader. |
| */ |
| struct { |
| uint32_t viewport_index; |
| } raster_state; |
| }; |
| |
| |
| enum { |
| LP_JIT_THREAD_DATA_COUNTER = 0, |
| LP_JIT_THREAD_DATA_RASTER_STATE_VIEWPORT_INDEX, |
| 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") |
| |
| #define lp_jit_thread_data_raster_state_viewport_index(_gallivm, _ptr) \ |
| lp_build_struct_get(_gallivm, _ptr, \ |
| LP_JIT_THREAD_DATA_RASTER_STATE_VIEWPORT_INDEX, \ |
| "raster_state.viewport_index") |
| |
| /** |
| * 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); |
| |
| |
| boolean |
| lp_jit_screen_init(struct llvmpipe_screen *screen); |
| |
| |
| void |
| lp_jit_init_types(struct lp_fragment_shader_variant *lp); |
| |
| |
| #endif /* LP_JIT_H */ |