1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/************************************************************************** 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * All Rights Reserved. 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * "Software"), to deal in the Software without restriction, including 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * without limitation the rights to use, copy, modify, merge, publish, 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * distribute, sub license, and/or sell copies of the Software, and to 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * permit persons to whom the Software is furnished to do so, subject to 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the following conditions: 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice (including the 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * next paragraph) shall be included in all copies or substantial portions 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * of the Software. 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org **************************************************************************/ 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#ifndef ST_CONTEXT_H 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define ST_CONTEXT_H 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "main/mtypes.h" 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "pipe/p_state.h" 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "state_tracker/st_api.h" 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "main/fbobject.h" 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct bitmap_cache; 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct blit_state; 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct dd_function_table; 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct draw_context; 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct draw_stage; 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct gen_mipmap_state; 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct st_context; 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct st_fragment_program; 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct u_upload_mgr; 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define ST_NEW_MESA (1 << 0) /* Mesa state has changed */ 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define ST_NEW_FRAGMENT_PROGRAM (1 << 1) 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define ST_NEW_VERTEX_PROGRAM (1 << 2) 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define ST_NEW_FRAMEBUFFER (1 << 3) 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define ST_NEW_EDGEFLAGS_DATA (1 << 4) 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define ST_NEW_GEOMETRY_PROGRAM (1 << 5) 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define ST_NEW_VERTEX_ARRAYS (1 << 6) 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct st_state_flags { 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLuint mesa; 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLuint st; 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct st_tracked_state { 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const char *name; 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_state_flags dirty; 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void (*update)( struct st_context *st ); 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct st_context 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_context_iface iface; 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct gl_context *ctx; 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_context *pipe; 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct u_upload_mgr *uploader, *indexbuf_uploader, *constbuf_uploader; 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct draw_context *draw; /**< For selection/feedback/rastpos only */ 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct draw_stage *feedback_stage; /**< For GL_FEEDBACK rendermode */ 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct draw_stage *selection_stage; /**< For GL_SELECT rendermode */ 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct draw_stage *rastpos_stage; /**< For glRasterPos */ 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLboolean clamp_frag_color_in_shader; 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLboolean clamp_vert_color_in_shader; 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org boolean has_stencil_export; /**< can do shader stencil export? */ 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* On old libGL's for linux we need to invalidate the drawables 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * on glViewpport calls, this is set via a option. 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org boolean invalidate_on_gl_viewport; 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org boolean vertex_array_out_of_memory; 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Some state is contained in constant objects. 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Other state is just parameter values. 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct { 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_blend_state blend; 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_depth_stencil_alpha_state depth_stencil; 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_rasterizer_state rasterizer; 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_sampler_state samplers[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS]; 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLuint num_samplers[PIPE_SHADER_TYPES]; 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_sampler_view *sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS]; 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLuint num_sampler_views[PIPE_SHADER_TYPES]; 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_clip_state clip; 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct { 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *ptr; 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned size; 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } constants[PIPE_SHADER_TYPES]; 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_framebuffer_state framebuffer; 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_scissor_state scissor; 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_viewport_state viewport; 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned sample_mask; 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLuint poly_stipple[32]; /**< In OpenGL's bottom-to-top order */ 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLuint fb_orientation; 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } state; 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org char vendor[100]; 121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org char renderer[100]; 122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_state_flags dirty; 124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLboolean missing_textures; 126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLboolean vertdata_edgeflags; 127f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 128f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /** Mapping from VERT_RESULT_x to post-transformed vertex slot */ 129f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const GLuint *vertex_result_to_slot; 130f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 131f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_vertex_program *vp; /**< Currently bound vertex program */ 132f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_fragment_program *fp; /**< Currently bound fragment program */ 133f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_geometry_program *gp; /**< Currently bound geometry program */ 134f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 135f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_vp_variant *vp_variant; 136f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_fp_variant *fp_variant; 137f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_gp_variant *gp_variant; 138f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 139f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct gl_texture_object *default_texture; 140f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 141f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct { 142f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct gl_program_cache *cache; 143f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_fragment_program *program; /**< cur pixel transfer prog */ 144f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLuint xfer_prog_sn; /**< pixel xfer program serial no. */ 145f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLuint user_prog_sn; /**< user fragment program serial no. */ 146f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_fragment_program *combined_prog; 147f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLuint combined_prog_sn; 148f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_resource *pixelmap_texture; 149f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_sampler_view *pixelmap_sampler_view; 150f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org boolean pixelmap_enabled; /**< use the pixelmap texture? */ 151f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } pixel_xfer; 152f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 153f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /** for glBitmap */ 154f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct { 155f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_rasterizer_state rasterizer; 156f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_sampler_state samplers[2]; 157f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org enum pipe_format tex_format; 158f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *vs; 159f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct bitmap_cache *cache; 160f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } bitmap; 161f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 162f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /** for glDraw/CopyPixels */ 163f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct { 164f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct gl_fragment_program *shaders[4]; 165f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *vert_shaders[2]; /**< ureg shaders */ 166f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } drawpix; 167f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 168f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /** for glClear */ 169f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct { 170f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_rasterizer_state raster; 171f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_viewport_state viewport; 172f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *vs; 173f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *fs; 174f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org boolean enable_ds_separate; 175f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } clear; 176f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 177f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /** used for anything using util_draw_vertex_buffer */ 178f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_vertex_element velems_util_draw[3]; 179f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 180f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *passthrough_fs; /**< simple pass-through frag shader */ 181f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 182f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org enum pipe_texture_target internal_target; 183f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct gen_mipmap_state *gen_mipmap; 184f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct blit_state *blit; 185f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 186f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct cso_context *cso_context; 187f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 188f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int force_msaa; 189f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *winsys_drawable_handle; 190f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 191f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Active render condition. */ 192f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_query *render_condition; 193f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned condition_mode; 194f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 195f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int32_t draw_stamp; 196f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int32_t read_stamp; 197f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 198f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_config_options options; 199f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 200f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 201f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 202f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* Need this so that we can implement Mesa callbacks in this module. 203f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 204f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic INLINE struct st_context *st_context(struct gl_context *ctx) 205f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 206f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return ctx->st; 207f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 208f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 209f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 210f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 211f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Wrapper for struct gl_framebuffer. 212f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * This is an opaque type to the outside world. 213f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 214f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct st_framebuffer 215f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 216f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct gl_framebuffer Base; 217f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *Private; 218f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 219f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_framebuffer_iface *iface; 220f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org enum st_attachment_type statts[ST_ATTACHMENT_COUNT]; 221f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned num_statts; 222f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int32_t stamp; 223f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int32_t iface_stamp; 224f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 225f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 226f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 227f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgextern void st_init_driver_functions(struct dd_function_table *functions); 228f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 229f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid st_invalidate_state(struct gl_context * ctx, GLuint new_state); 230f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 231f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 232f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 233f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define Y_0_TOP 1 234f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define Y_0_BOTTOM 2 235f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 236f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic INLINE GLuint 237f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgst_fb_orientation(const struct gl_framebuffer *fb) 238f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 239f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (fb && _mesa_is_winsys_fbo(fb)) { 240f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Drawing into a window (on-screen buffer). 241f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 242f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Negate Y scale to flip image vertically. 243f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The NDC Y coords prior to viewport transformation are in the range 244f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * [y=-1=bottom, y=1=top] 245f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Hardware window coords are in the range [y=0=top, y=H-1=bottom] where 246f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * H is the window height. 247f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Use the viewport transformation to invert Y. 248f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 249f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return Y_0_TOP; 250f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 251f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 252f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Drawing into user-created FBO (very likely a texture). 253f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 254f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * For textures, T=0=Bottom, so by extension Y=0=Bottom for rendering. 255f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 256f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return Y_0_BOTTOM; 257f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 258f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 259f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 260f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 261f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** clear-alloc a struct-sized object, with casting */ 262f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define ST_CALLOC_STRUCT(T) (struct T *) calloc(1, sizeof(struct T)) 263f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 264f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 265f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgextern int 266f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgst_get_msaa(void); 267f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 268f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgextern struct st_context * 269f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgst_create_context(gl_api api, struct pipe_context *pipe, 270f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct gl_config *visual, 271f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_context *share, 272f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct st_config_options *options); 273f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 274f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgextern void 275f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgst_destroy_context(struct st_context *st); 276f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 277f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 278f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 279