1 /************************************************************************** 2 * 3 * Copyright 2009 VMware, Inc. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 /** 29 * @file 30 * C - JIT interfaces 31 * 32 * @author Jose Fonseca <jfonseca (at) vmware.com> 33 */ 34 35 #ifndef LP_JIT_H 36 #define LP_JIT_H 37 38 39 #include "gallivm/lp_bld_struct.h" 40 41 #include "pipe/p_state.h" 42 #include "lp_texture.h" 43 44 45 struct lp_fragment_shader_variant; 46 struct llvmpipe_screen; 47 48 49 struct lp_jit_texture 50 { 51 uint32_t width; 52 uint32_t height; 53 uint32_t depth; 54 uint32_t first_level; 55 uint32_t last_level; 56 uint32_t row_stride[LP_MAX_TEXTURE_LEVELS]; 57 uint32_t img_stride[LP_MAX_TEXTURE_LEVELS]; 58 const void *data[LP_MAX_TEXTURE_LEVELS]; 59 /* sampler state, actually */ 60 float min_lod; 61 float max_lod; 62 float lod_bias; 63 float border_color[4]; 64 }; 65 66 67 enum { 68 LP_JIT_TEXTURE_WIDTH = 0, 69 LP_JIT_TEXTURE_HEIGHT, 70 LP_JIT_TEXTURE_DEPTH, 71 LP_JIT_TEXTURE_FIRST_LEVEL, 72 LP_JIT_TEXTURE_LAST_LEVEL, 73 LP_JIT_TEXTURE_ROW_STRIDE, 74 LP_JIT_TEXTURE_IMG_STRIDE, 75 LP_JIT_TEXTURE_DATA, 76 LP_JIT_TEXTURE_MIN_LOD, 77 LP_JIT_TEXTURE_MAX_LOD, 78 LP_JIT_TEXTURE_LOD_BIAS, 79 LP_JIT_TEXTURE_BORDER_COLOR, 80 LP_JIT_TEXTURE_NUM_FIELDS /* number of fields above */ 81 }; 82 83 84 85 /** 86 * This structure is passed directly to the generated fragment shader. 87 * 88 * It contains the derived state. 89 * 90 * Changes here must be reflected in the lp_jit_context_* macros and 91 * lp_jit_init_types function. Changes to the ordering should be avoided. 92 * 93 * Only use types with a clear size and padding here, in particular prefer the 94 * stdint.h types to the basic integer types. 95 */ 96 struct lp_jit_context 97 { 98 const float *constants; 99 100 float alpha_ref_value; 101 102 uint32_t stencil_ref_front, stencil_ref_back; 103 104 /* FIXME: store (also?) in floats */ 105 uint8_t *blend_color; 106 107 struct lp_jit_texture textures[PIPE_MAX_SAMPLERS]; 108 }; 109 110 111 /** 112 * These enum values must match the position of the fields in the 113 * lp_jit_context struct above. 114 */ 115 enum { 116 LP_JIT_CTX_CONSTANTS = 0, 117 LP_JIT_CTX_ALPHA_REF, 118 LP_JIT_CTX_STENCIL_REF_FRONT, 119 LP_JIT_CTX_STENCIL_REF_BACK, 120 LP_JIT_CTX_BLEND_COLOR, 121 LP_JIT_CTX_TEXTURES, 122 LP_JIT_CTX_COUNT 123 }; 124 125 126 #define lp_jit_context_constants(_gallivm, _ptr) \ 127 lp_build_struct_get(_gallivm, _ptr, LP_JIT_CTX_CONSTANTS, "constants") 128 129 #define lp_jit_context_alpha_ref_value(_gallivm, _ptr) \ 130 lp_build_struct_get(_gallivm, _ptr, LP_JIT_CTX_ALPHA_REF, "alpha_ref_value") 131 132 #define lp_jit_context_stencil_ref_front_value(_gallivm, _ptr) \ 133 lp_build_struct_get(_gallivm, _ptr, LP_JIT_CTX_STENCIL_REF_FRONT, "stencil_ref_front") 134 135 #define lp_jit_context_stencil_ref_back_value(_gallivm, _ptr) \ 136 lp_build_struct_get(_gallivm, _ptr, LP_JIT_CTX_STENCIL_REF_BACK, "stencil_ref_back") 137 138 #define lp_jit_context_blend_color(_gallivm, _ptr) \ 139 lp_build_struct_get(_gallivm, _ptr, LP_JIT_CTX_BLEND_COLOR, "blend_color") 140 141 #define lp_jit_context_textures(_gallivm, _ptr) \ 142 lp_build_struct_get_ptr(_gallivm, _ptr, LP_JIT_CTX_TEXTURES, "textures") 143 144 145 146 typedef void 147 (*lp_jit_frag_func)(const struct lp_jit_context *context, 148 uint32_t x, 149 uint32_t y, 150 uint32_t facing, 151 const void *a0, 152 const void *dadx, 153 const void *dady, 154 uint8_t **color, 155 void *depth, 156 uint32_t mask, 157 uint32_t *counter); 158 159 160 void 161 lp_jit_screen_cleanup(struct llvmpipe_screen *screen); 162 163 164 void 165 lp_jit_screen_init(struct llvmpipe_screen *screen); 166 167 168 void 169 lp_jit_init_types(struct lp_fragment_shader_variant *lp); 170 171 172 #endif /* LP_JIT_H */ 173
