1 /************************************************************************** 2 * 3 * Copyright 2007-2008 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 #ifndef CSO_CONTEXT_H 30 #define CSO_CONTEXT_H 31 32 #include "pipe/p_context.h" 33 #include "pipe/p_state.h" 34 #include "pipe/p_defines.h" 35 #include "cso_cache.h" 36 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 struct cso_context; 43 struct u_vbuf; 44 45 #define CSO_NO_USER_VERTEX_BUFFERS (1 << 0) 46 #define CSO_NO_64B_VERTEX_BUFFERS (1 << 1) 47 #define CSO_NO_VBUF (1 << 2) 48 49 struct cso_context *cso_create_context(struct pipe_context *pipe, 50 unsigned flags); 51 void cso_unbind_context(struct cso_context *ctx); 52 void cso_destroy_context( struct cso_context *cso ); 53 struct pipe_context *cso_get_pipe_context(struct cso_context *cso); 54 55 56 enum pipe_error cso_set_blend( struct cso_context *cso, 57 const struct pipe_blend_state *blend ); 58 59 60 enum pipe_error cso_set_depth_stencil_alpha( struct cso_context *cso, 61 const struct pipe_depth_stencil_alpha_state *dsa ); 62 63 64 65 enum pipe_error cso_set_rasterizer( struct cso_context *cso, 66 const struct pipe_rasterizer_state *rasterizer ); 67 68 69 void 70 cso_set_samplers(struct cso_context *cso, 71 enum pipe_shader_type shader_stage, 72 unsigned count, 73 const struct pipe_sampler_state **states); 74 75 76 /* Alternate interface to support gallium frontends that like to modify 77 * samplers one at a time: 78 */ 79 void 80 cso_single_sampler(struct cso_context *cso, enum pipe_shader_type shader_stage, 81 unsigned idx, const struct pipe_sampler_state *states); 82 83 void 84 cso_single_sampler_done(struct cso_context *cso, 85 enum pipe_shader_type shader_stage); 86 87 88 enum pipe_error cso_set_vertex_elements(struct cso_context *ctx, 89 const struct cso_velems_state *velems); 90 91 void cso_set_vertex_buffers(struct cso_context *ctx, 92 unsigned start_slot, unsigned count, 93 const struct pipe_vertex_buffer *buffers); 94 95 void cso_set_stream_outputs(struct cso_context *ctx, 96 unsigned num_targets, 97 struct pipe_stream_output_target **targets, 98 const unsigned *offsets); 99 100 101 enum cso_unbind_flags { 102 CSO_UNBIND_FS_SAMPLERVIEWS = (1 << 0), 103 CSO_UNBIND_FS_SAMPLERVIEW0 = (1 << 1), 104 CSO_UNBIND_FS_IMAGE0 = (1 << 2), 105 CSO_UNBIND_VS_CONSTANTS = (1 << 3), 106 CSO_UNBIND_FS_CONSTANTS = (1 << 4), 107 CSO_UNBIND_VERTEX_BUFFER0 = (1 << 5), 108 }; 109 110 /* 111 * We don't provide shader caching in CSO. Most of the time the api provides 112 * object semantics for shaders anyway, and the cases where it doesn't 113 * (eg mesa's internally-generated texenv programs), it will be up to 114 * gallium frontends to implement their own specialized caching. 115 */ 116 117 void cso_set_fragment_shader_handle(struct cso_context *ctx, void *handle); 118 void cso_set_vertex_shader_handle(struct cso_context *ctx, void *handle); 119 void cso_set_geometry_shader_handle(struct cso_context *ctx, void *handle); 120 void cso_set_tessctrl_shader_handle(struct cso_context *ctx, void *handle); 121 void cso_set_tesseval_shader_handle(struct cso_context *ctx, void *handle); 122 void cso_set_compute_shader_handle(struct cso_context *ctx, void *handle); 123 124 125 void cso_set_framebuffer(struct cso_context *cso, 126 const struct pipe_framebuffer_state *fb); 127 128 129 void cso_set_viewport(struct cso_context *cso, 130 const struct pipe_viewport_state *vp); 131 void cso_set_viewport_dims(struct cso_context *ctx, 132 float width, float height, boolean invert); 133 134 void cso_set_sample_mask(struct cso_context *cso, unsigned stencil_mask); 135 136 void cso_set_min_samples(struct cso_context *cso, unsigned min_samples); 137 138 void cso_set_stencil_ref(struct cso_context *cso, 139 const struct pipe_stencil_ref sr); 140 141 void cso_set_render_condition(struct cso_context *cso, 142 struct pipe_query *query, 143 boolean condition, 144 enum pipe_render_cond_flag mode); 145 146 /* gap */ 147 #define CSO_BIT_BLEND 0x2 148 #define CSO_BIT_DEPTH_STENCIL_ALPHA 0x4 149 #define CSO_BIT_FRAGMENT_SAMPLERS 0x8 150 /* gap */ 151 #define CSO_BIT_FRAGMENT_SHADER 0x20 152 #define CSO_BIT_FRAMEBUFFER 0x40 153 #define CSO_BIT_GEOMETRY_SHADER 0x80 154 #define CSO_BIT_MIN_SAMPLES 0x100 155 #define CSO_BIT_RASTERIZER 0x200 156 #define CSO_BIT_RENDER_CONDITION 0x400 157 #define CSO_BIT_SAMPLE_MASK 0x800 158 #define CSO_BIT_STENCIL_REF 0x1000 159 #define CSO_BIT_STREAM_OUTPUTS 0x2000 160 #define CSO_BIT_TESSCTRL_SHADER 0x4000 161 #define CSO_BIT_TESSEVAL_SHADER 0x8000 162 #define CSO_BIT_VERTEX_ELEMENTS 0x10000 163 #define CSO_BIT_VERTEX_SHADER 0x20000 164 #define CSO_BIT_VIEWPORT 0x40000 165 #define CSO_BIT_PAUSE_QUERIES 0x80000 166 167 #define CSO_BITS_ALL_SHADERS (CSO_BIT_VERTEX_SHADER | \ 168 CSO_BIT_FRAGMENT_SHADER | \ 169 CSO_BIT_GEOMETRY_SHADER | \ 170 CSO_BIT_TESSCTRL_SHADER | \ 171 CSO_BIT_TESSEVAL_SHADER) 172 173 #define CSO_BIT_COMPUTE_SHADER (1<<0) 174 #define CSO_BIT_COMPUTE_SAMPLERS (1<<1) 175 176 void cso_save_state(struct cso_context *cso, unsigned state_mask); 177 void cso_restore_state(struct cso_context *cso, unsigned unbind); 178 179 void cso_save_compute_state(struct cso_context *cso, unsigned state_mask); 180 void cso_restore_compute_state(struct cso_context *cso); 181 182 /* Optimized version. */ 183 void 184 cso_set_vertex_buffers_and_elements(struct cso_context *ctx, 185 const struct cso_velems_state *velems, 186 unsigned vb_count, 187 unsigned unbind_trailing_vb_count, 188 bool take_ownership, 189 bool uses_user_vertex_buffers, 190 const struct pipe_vertex_buffer *vbuffers); 191 192 /* drawing */ 193 194 void 195 cso_draw_vbo(struct cso_context *cso, 196 const struct pipe_draw_info *info, 197 unsigned drawid_offset, 198 const struct pipe_draw_indirect_info *indirect, 199 const struct pipe_draw_start_count_bias draw); 200 201 /* info->draw_id can be changed by the callee if increment_draw_id is true. */ 202 void 203 cso_multi_draw(struct cso_context *cso, 204 struct pipe_draw_info *info, 205 unsigned drawid_offset, 206 const struct pipe_draw_start_count_bias *draws, 207 unsigned num_draws); 208 209 void 210 cso_draw_arrays_instanced(struct cso_context *cso, uint mode, 211 uint start, uint count, 212 uint start_instance, uint instance_count); 213 214 void 215 cso_draw_arrays(struct cso_context *cso, uint mode, uint start, uint count); 216 217 #ifdef __cplusplus 218 } 219 #endif 220 221 #endif 222