1 /**************************************************************************
3 * Copyright 2009 VMware, Inc.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
32 * @author Jose Fonseca <jfonseca@vmware.com>
39 #include "gallivm/lp_bld_struct.h"
40 #include "gallivm/lp_bld_limits.h"
42 #include "pipe/p_state.h"
43 #include "lp_texture.h"
46 struct lp_fragment_shader_variant
;
47 struct llvmpipe_screen
;
52 uint32_t width
; /* same as number of elements */
54 uint32_t depth
; /* doubles as array size */
58 uint32_t row_stride
[LP_MAX_TEXTURE_LEVELS
];
59 uint32_t img_stride
[LP_MAX_TEXTURE_LEVELS
];
60 uint32_t mip_offsets
[LP_MAX_TEXTURE_LEVELS
];
69 float border_color
[4];
73 struct lp_jit_viewport
81 LP_JIT_TEXTURE_WIDTH
= 0,
82 LP_JIT_TEXTURE_HEIGHT
,
84 LP_JIT_TEXTURE_FIRST_LEVEL
,
85 LP_JIT_TEXTURE_LAST_LEVEL
,
87 LP_JIT_TEXTURE_ROW_STRIDE
,
88 LP_JIT_TEXTURE_IMG_STRIDE
,
89 LP_JIT_TEXTURE_MIP_OFFSETS
,
90 LP_JIT_TEXTURE_NUM_FIELDS
/* number of fields above */
95 LP_JIT_SAMPLER_MIN_LOD
,
96 LP_JIT_SAMPLER_MAX_LOD
,
97 LP_JIT_SAMPLER_LOD_BIAS
,
98 LP_JIT_SAMPLER_BORDER_COLOR
,
99 LP_JIT_SAMPLER_NUM_FIELDS
/* number of fields above */
104 LP_JIT_VIEWPORT_MIN_DEPTH
,
105 LP_JIT_VIEWPORT_MAX_DEPTH
,
106 LP_JIT_VIEWPORT_NUM_FIELDS
/* number of fields above */
111 * This structure is passed directly to the generated fragment shader.
113 * It contains the derived state.
115 * Changes here must be reflected in the lp_jit_context_* macros and
116 * lp_jit_init_types function. Changes to the ordering should be avoided.
118 * Only use types with a clear size and padding here, in particular prefer the
119 * stdint.h types to the basic integer types.
121 struct lp_jit_context
123 const float *constants
[LP_MAX_TGSI_CONST_BUFFERS
];
124 int num_constants
[LP_MAX_TGSI_CONST_BUFFERS
];
126 float alpha_ref_value
;
128 uint32_t stencil_ref_front
, stencil_ref_back
;
130 uint8_t *u8_blend_color
;
131 float *f_blend_color
;
133 struct lp_jit_viewport
*viewports
;
135 struct lp_jit_texture textures
[PIPE_MAX_SHADER_SAMPLER_VIEWS
];
136 struct lp_jit_sampler samplers
[PIPE_MAX_SAMPLERS
];
141 * These enum values must match the position of the fields in the
142 * lp_jit_context struct above.
145 LP_JIT_CTX_CONSTANTS
= 0,
146 LP_JIT_CTX_NUM_CONSTANTS
,
147 LP_JIT_CTX_ALPHA_REF
,
148 LP_JIT_CTX_STENCIL_REF_FRONT
,
149 LP_JIT_CTX_STENCIL_REF_BACK
,
150 LP_JIT_CTX_U8_BLEND_COLOR
,
151 LP_JIT_CTX_F_BLEND_COLOR
,
152 LP_JIT_CTX_VIEWPORTS
,
159 #define lp_jit_context_constants(_gallivm, _ptr) \
160 lp_build_struct_get_ptr(_gallivm, _ptr, LP_JIT_CTX_CONSTANTS, "constants")
162 #define lp_jit_context_num_constants(_gallivm, _ptr) \
163 lp_build_struct_get_ptr(_gallivm, _ptr, LP_JIT_CTX_NUM_CONSTANTS, "num_constants")
165 #define lp_jit_context_alpha_ref_value(_gallivm, _ptr) \
166 lp_build_struct_get(_gallivm, _ptr, LP_JIT_CTX_ALPHA_REF, "alpha_ref_value")
168 #define lp_jit_context_stencil_ref_front_value(_gallivm, _ptr) \
169 lp_build_struct_get(_gallivm, _ptr, LP_JIT_CTX_STENCIL_REF_FRONT, "stencil_ref_front")
171 #define lp_jit_context_stencil_ref_back_value(_gallivm, _ptr) \
172 lp_build_struct_get(_gallivm, _ptr, LP_JIT_CTX_STENCIL_REF_BACK, "stencil_ref_back")
174 #define lp_jit_context_u8_blend_color(_gallivm, _ptr) \
175 lp_build_struct_get(_gallivm, _ptr, LP_JIT_CTX_U8_BLEND_COLOR, "u8_blend_color")
177 #define lp_jit_context_f_blend_color(_gallivm, _ptr) \
178 lp_build_struct_get(_gallivm, _ptr, LP_JIT_CTX_F_BLEND_COLOR, "f_blend_color")
180 #define lp_jit_context_viewports(_gallivm, _ptr) \
181 lp_build_struct_get(_gallivm, _ptr, LP_JIT_CTX_VIEWPORTS, "viewports")
183 #define lp_jit_context_textures(_gallivm, _ptr) \
184 lp_build_struct_get_ptr(_gallivm, _ptr, LP_JIT_CTX_TEXTURES, "textures")
186 #define lp_jit_context_samplers(_gallivm, _ptr) \
187 lp_build_struct_get_ptr(_gallivm, _ptr, LP_JIT_CTX_SAMPLERS, "samplers")
190 struct lp_jit_thread_data
192 uint64_t vis_counter
;
195 * Non-interpolated rasterizer state passed through to the fragment shader.
198 uint32_t viewport_index
;
204 LP_JIT_THREAD_DATA_COUNTER
= 0,
205 LP_JIT_THREAD_DATA_RASTER_STATE_VIEWPORT_INDEX
,
206 LP_JIT_THREAD_DATA_COUNT
210 #define lp_jit_thread_data_counter(_gallivm, _ptr) \
211 lp_build_struct_get_ptr(_gallivm, _ptr, LP_JIT_THREAD_DATA_COUNTER, "counter")
213 #define lp_jit_thread_data_raster_state_viewport_index(_gallivm, _ptr) \
214 lp_build_struct_get(_gallivm, _ptr, \
215 LP_JIT_THREAD_DATA_RASTER_STATE_VIEWPORT_INDEX, \
216 "raster_state.viewport_index")
219 * typedef for fragment shader function
221 * @param context jit context
222 * @param x block start x
223 * @param y block start y
224 * @param facing is front facing
225 * @param a0 shader input a0
226 * @param dadx shader input dadx
227 * @param dady shader input dady
228 * @param color color buffer
229 * @param depth depth buffer
230 * @param mask mask of visible pixels in block
231 * @param thread_data task thread data
232 * @param stride color buffer row stride in bytes
233 * @param depth_stride depth buffer row stride in bytes
236 (*lp_jit_frag_func
)(const struct lp_jit_context
*context
,
246 struct lp_jit_thread_data
*thread_data
,
248 unsigned depth_stride
);
252 lp_jit_screen_cleanup(struct llvmpipe_screen
*screen
);
256 lp_jit_screen_init(struct llvmpipe_screen
*screen
);
260 lp_jit_init_types(struct lp_fragment_shader_variant
*lp
);
263 #endif /* LP_JIT_H */