| /************************************************************************** |
| * |
| * Copyright 2007 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. |
| * |
| **************************************************************************/ |
| |
| #include "util/imports.h" |
| #include "main/accum.h" |
| #include "main/api_exec.h" |
| #include "main/context.h" |
| #include "main/glthread.h" |
| #include "main/samplerobj.h" |
| #include "main/shaderobj.h" |
| #include "main/version.h" |
| #include "main/vtxfmt.h" |
| #include "main/hash.h" |
| #include "program/prog_cache.h" |
| #include "vbo/vbo.h" |
| #include "glapi/glapi.h" |
| #include "st_manager.h" |
| #include "st_context.h" |
| #include "st_debug.h" |
| #include "st_cb_bitmap.h" |
| #include "st_cb_blit.h" |
| #include "st_cb_bufferobjects.h" |
| #include "st_cb_clear.h" |
| #include "st_cb_compute.h" |
| #include "st_cb_condrender.h" |
| #include "st_cb_copyimage.h" |
| #include "st_cb_drawpixels.h" |
| #include "st_cb_rasterpos.h" |
| #include "st_cb_drawtex.h" |
| #include "st_cb_eglimage.h" |
| #include "st_cb_fbo.h" |
| #include "st_cb_feedback.h" |
| #include "st_cb_memoryobjects.h" |
| #include "st_cb_msaa.h" |
| #include "st_cb_perfmon.h" |
| #include "st_cb_perfquery.h" |
| #include "st_cb_program.h" |
| #include "st_cb_queryobj.h" |
| #include "st_cb_readpixels.h" |
| #include "st_cb_semaphoreobjects.h" |
| #include "st_cb_texture.h" |
| #include "st_cb_xformfb.h" |
| #include "st_cb_flush.h" |
| #include "st_cb_syncobj.h" |
| #include "st_cb_strings.h" |
| #include "st_cb_texturebarrier.h" |
| #include "st_cb_viewport.h" |
| #include "st_atom.h" |
| #include "st_draw.h" |
| #include "st_extensions.h" |
| #include "st_gen_mipmap.h" |
| #include "st_pbo.h" |
| #include "st_program.h" |
| #include "st_sampler_view.h" |
| #include "st_shader_cache.h" |
| #include "st_vdpau.h" |
| #include "st_texture.h" |
| #include "st_util.h" |
| #include "pipe/p_context.h" |
| #include "util/u_cpu_detect.h" |
| #include "util/u_inlines.h" |
| #include "util/u_upload_mgr.h" |
| #include "util/u_vbuf.h" |
| #include "cso_cache/cso_context.h" |
| #include "compiler/glsl/glsl_parser_extras.h" |
| |
| |
| DEBUG_GET_ONCE_BOOL_OPTION(mesa_mvp_dp4, "MESA_MVP_DP4", FALSE) |
| |
| |
| /** |
| * Called via ctx->Driver.Enable() |
| */ |
| static void |
| st_Enable(struct gl_context *ctx, GLenum cap, GLboolean state) |
| { |
| struct st_context *st = st_context(ctx); |
| |
| switch (cap) { |
| case GL_DEBUG_OUTPUT: |
| case GL_DEBUG_OUTPUT_SYNCHRONOUS: |
| st_update_debug_callback(st); |
| break; |
| case GL_BLACKHOLE_RENDER_INTEL: |
| st->pipe->set_frontend_noop(st->pipe, ctx->IntelBlackholeRender); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| |
| /** |
| * Called via ctx->Driver.QueryMemoryInfo() |
| */ |
| static void |
| st_query_memory_info(struct gl_context *ctx, struct gl_memory_info *out) |
| { |
| struct pipe_screen *screen = st_context(ctx)->pipe->screen; |
| struct pipe_memory_info info; |
| |
| assert(screen->query_memory_info); |
| if (!screen->query_memory_info) |
| return; |
| |
| screen->query_memory_info(screen, &info); |
| |
| out->total_device_memory = info.total_device_memory; |
| out->avail_device_memory = info.avail_device_memory; |
| out->total_staging_memory = info.total_staging_memory; |
| out->avail_staging_memory = info.avail_staging_memory; |
| out->device_memory_evicted = info.device_memory_evicted; |
| out->nr_device_memory_evictions = info.nr_device_memory_evictions; |
| } |
| |
| |
| static uint64_t |
| st_get_active_states(struct gl_context *ctx) |
| { |
| struct st_program *vp = |
| st_program(ctx->VertexProgram._Current); |
| struct st_program *tcp = |
| st_program(ctx->TessCtrlProgram._Current); |
| struct st_program *tep = |
| st_program(ctx->TessEvalProgram._Current); |
| struct st_program *gp = |
| st_program(ctx->GeometryProgram._Current); |
| struct st_program *fp = |
| st_program(ctx->FragmentProgram._Current); |
| struct st_program *cp = |
| st_program(ctx->ComputeProgram._Current); |
| uint64_t active_shader_states = 0; |
| |
| if (vp) |
| active_shader_states |= vp->affected_states; |
| if (tcp) |
| active_shader_states |= tcp->affected_states; |
| if (tep) |
| active_shader_states |= tep->affected_states; |
| if (gp) |
| active_shader_states |= gp->affected_states; |
| if (fp) |
| active_shader_states |= fp->affected_states; |
| if (cp) |
| active_shader_states |= cp->affected_states; |
| |
| /* Mark non-shader-resource shader states as "always active". */ |
| return active_shader_states | ~ST_ALL_SHADER_RESOURCES; |
| } |
| |
| |
| void |
| st_invalidate_buffers(struct st_context *st) |
| { |
| st->dirty |= ST_NEW_BLEND | |
| ST_NEW_DSA | |
| ST_NEW_FB_STATE | |
| ST_NEW_SAMPLE_STATE | |
| ST_NEW_SAMPLE_SHADING | |
| ST_NEW_FS_STATE | |
| ST_NEW_POLY_STIPPLE | |
| ST_NEW_VIEWPORT | |
| ST_NEW_RASTERIZER | |
| ST_NEW_SCISSOR | |
| ST_NEW_WINDOW_RECTANGLES; |
| } |
| |
| |
| static inline bool |
| st_vp_uses_current_values(const struct gl_context *ctx) |
| { |
| const uint64_t inputs = ctx->VertexProgram._Current->info.inputs_read; |
| return _mesa_draw_current_bits(ctx) & inputs; |
| } |
| |
| |
| /** |
| * Called via ctx->Driver.UpdateState() |
| */ |
| static void |
| st_invalidate_state(struct gl_context *ctx) |
| { |
| GLbitfield new_state = ctx->NewState; |
| struct st_context *st = st_context(ctx); |
| |
| if (new_state & _NEW_BUFFERS) { |
| st_invalidate_buffers(st); |
| } else { |
| /* These set a subset of flags set by _NEW_BUFFERS, so we only have to |
| * check them when _NEW_BUFFERS isn't set. |
| */ |
| if (new_state & _NEW_PROGRAM) |
| st->dirty |= ST_NEW_RASTERIZER; |
| |
| if (new_state & _NEW_FOG) |
| st->dirty |= ST_NEW_FS_STATE; |
| |
| if (new_state & _NEW_FRAG_CLAMP) { |
| if (st->clamp_frag_color_in_shader) |
| st->dirty |= ST_NEW_FS_STATE; |
| else |
| st->dirty |= ST_NEW_RASTERIZER; |
| } |
| } |
| |
| if (new_state & (_NEW_LIGHT | |
| _NEW_POINT)) |
| st->dirty |= ST_NEW_RASTERIZER; |
| |
| if ((new_state & _NEW_LIGHT) && |
| (st->lower_flatshade || st->lower_two_sided_color)) |
| st->dirty |= ST_NEW_FS_STATE; |
| |
| if (new_state & _NEW_PROJECTION && |
| st_user_clip_planes_enabled(ctx)) |
| st->dirty |= ST_NEW_CLIP_STATE; |
| |
| if (new_state & _NEW_PIXEL) |
| st->dirty |= ST_NEW_PIXEL_TRANSFER; |
| |
| if (new_state & _NEW_CURRENT_ATTRIB && st_vp_uses_current_values(ctx)) |
| st->dirty |= ST_NEW_VERTEX_ARRAYS; |
| |
| if (st->clamp_frag_depth_in_shader && (new_state & _NEW_VIEWPORT)) { |
| if (ctx->GeometryProgram._Current) |
| st->dirty |= ST_NEW_GS_CONSTANTS; |
| else if (ctx->TessEvalProgram._Current) |
| st->dirty |= ST_NEW_TES_CONSTANTS; |
| else |
| st->dirty |= ST_NEW_VS_CONSTANTS; |
| st->dirty |= ST_NEW_FS_CONSTANTS; |
| } |
| |
| /* Update the vertex shader if ctx->Light._ClampVertexColor was changed. */ |
| if (st->clamp_vert_color_in_shader && (new_state & _NEW_LIGHT)) { |
| st->dirty |= ST_NEW_VS_STATE; |
| if (st->ctx->API == API_OPENGL_COMPAT && ctx->Version >= 32) { |
| st->dirty |= ST_NEW_GS_STATE | ST_NEW_TES_STATE; |
| } |
| } |
| |
| /* Which shaders are dirty will be determined manually. */ |
| if (new_state & _NEW_PROGRAM) { |
| st->gfx_shaders_may_be_dirty = true; |
| st->compute_shader_may_be_dirty = true; |
| /* This will mask out unused shader resources. */ |
| st->active_states = st_get_active_states(ctx); |
| } |
| |
| if (new_state & _NEW_TEXTURE_OBJECT) { |
| st->dirty |= st->active_states & |
| (ST_NEW_SAMPLER_VIEWS | |
| ST_NEW_SAMPLERS | |
| ST_NEW_IMAGE_UNITS); |
| if (ctx->FragmentProgram._Current && |
| ctx->FragmentProgram._Current->ExternalSamplersUsed) { |
| st->dirty |= ST_NEW_FS_STATE; |
| } |
| } |
| } |
| |
| |
| /* |
| * In some circumstances (such as running google-chrome) the state |
| * tracker may try to delete a resource view from a context different |
| * than when it was created. We don't want to do that. |
| * |
| * In that situation, st_texture_release_all_sampler_views() calls this |
| * function to transfer the sampler view reference to this context (expected |
| * to be the context which created the view.) |
| */ |
| void |
| st_save_zombie_sampler_view(struct st_context *st, |
| struct pipe_sampler_view *view) |
| { |
| struct st_zombie_sampler_view_node *entry; |
| |
| assert(view->context == st->pipe); |
| |
| entry = MALLOC_STRUCT(st_zombie_sampler_view_node); |
| if (!entry) |
| return; |
| |
| entry->view = view; |
| |
| /* We need a mutex since this function may be called from one thread |
| * while free_zombie_resource_views() is called from another. |
| */ |
| simple_mtx_lock(&st->zombie_sampler_views.mutex); |
| list_addtail(&entry->node, &st->zombie_sampler_views.list.node); |
| simple_mtx_unlock(&st->zombie_sampler_views.mutex); |
| } |
| |
| |
| /* |
| * Since OpenGL shaders may be shared among contexts, we can wind up |
| * with variants of a shader created with different contexts. |
| * When we go to destroy a gallium shader, we want to free it with the |
| * same context that it was created with, unless the driver reports |
| * PIPE_CAP_SHAREABLE_SHADERS = TRUE. |
| */ |
| void |
| st_save_zombie_shader(struct st_context *st, |
| enum pipe_shader_type type, |
| struct pipe_shader_state *shader) |
| { |
| struct st_zombie_shader_node *entry; |
| |
| /* we shouldn't be here if the driver supports shareable shaders */ |
| assert(!st->has_shareable_shaders); |
| |
| entry = MALLOC_STRUCT(st_zombie_shader_node); |
| if (!entry) |
| return; |
| |
| entry->shader = shader; |
| entry->type = type; |
| |
| /* We need a mutex since this function may be called from one thread |
| * while free_zombie_shaders() is called from another. |
| */ |
| simple_mtx_lock(&st->zombie_shaders.mutex); |
| list_addtail(&entry->node, &st->zombie_shaders.list.node); |
| simple_mtx_unlock(&st->zombie_shaders.mutex); |
| } |
| |
| |
| /* |
| * Free any zombie sampler views that may be attached to this context. |
| */ |
| static void |
| free_zombie_sampler_views(struct st_context *st) |
| { |
| struct st_zombie_sampler_view_node *entry, *next; |
| |
| if (list_is_empty(&st->zombie_sampler_views.list.node)) { |
| return; |
| } |
| |
| simple_mtx_lock(&st->zombie_sampler_views.mutex); |
| |
| LIST_FOR_EACH_ENTRY_SAFE(entry, next, |
| &st->zombie_sampler_views.list.node, node) { |
| list_del(&entry->node); // remove this entry from the list |
| |
| assert(entry->view->context == st->pipe); |
| pipe_sampler_view_reference(&entry->view, NULL); |
| |
| free(entry); |
| } |
| |
| assert(list_is_empty(&st->zombie_sampler_views.list.node)); |
| |
| simple_mtx_unlock(&st->zombie_sampler_views.mutex); |
| } |
| |
| |
| /* |
| * Free any zombie shaders that may be attached to this context. |
| */ |
| static void |
| free_zombie_shaders(struct st_context *st) |
| { |
| struct st_zombie_shader_node *entry, *next; |
| |
| if (list_is_empty(&st->zombie_shaders.list.node)) { |
| return; |
| } |
| |
| simple_mtx_lock(&st->zombie_shaders.mutex); |
| |
| LIST_FOR_EACH_ENTRY_SAFE(entry, next, |
| &st->zombie_shaders.list.node, node) { |
| list_del(&entry->node); // remove this entry from the list |
| |
| switch (entry->type) { |
| case PIPE_SHADER_VERTEX: |
| st->pipe->bind_vs_state(st->pipe, NULL); |
| st->pipe->delete_vs_state(st->pipe, entry->shader); |
| break; |
| case PIPE_SHADER_FRAGMENT: |
| st->pipe->bind_fs_state(st->pipe, NULL); |
| st->pipe->delete_fs_state(st->pipe, entry->shader); |
| break; |
| case PIPE_SHADER_GEOMETRY: |
| st->pipe->bind_gs_state(st->pipe, NULL); |
| st->pipe->delete_gs_state(st->pipe, entry->shader); |
| break; |
| case PIPE_SHADER_TESS_CTRL: |
| st->pipe->bind_tcs_state(st->pipe, NULL); |
| st->pipe->delete_tcs_state(st->pipe, entry->shader); |
| break; |
| case PIPE_SHADER_TESS_EVAL: |
| st->pipe->bind_tes_state(st->pipe, NULL); |
| st->pipe->delete_tes_state(st->pipe, entry->shader); |
| break; |
| case PIPE_SHADER_COMPUTE: |
| st->pipe->bind_compute_state(st->pipe, NULL); |
| st->pipe->delete_compute_state(st->pipe, entry->shader); |
| break; |
| default: |
| unreachable("invalid shader type in free_zombie_shaders()"); |
| } |
| free(entry); |
| } |
| |
| assert(list_is_empty(&st->zombie_shaders.list.node)); |
| |
| simple_mtx_unlock(&st->zombie_shaders.mutex); |
| } |
| |
| |
| /* |
| * This function is called periodically to free any zombie objects |
| * which are attached to this context. |
| */ |
| void |
| st_context_free_zombie_objects(struct st_context *st) |
| { |
| free_zombie_sampler_views(st); |
| free_zombie_shaders(st); |
| } |
| |
| |
| static void |
| st_destroy_context_priv(struct st_context *st, bool destroy_pipe) |
| { |
| uint i; |
| |
| st_destroy_atoms(st); |
| st_destroy_draw(st); |
| st_destroy_clear(st); |
| st_destroy_bitmap(st); |
| st_destroy_drawpix(st); |
| st_destroy_drawtex(st); |
| st_destroy_perfmon(st); |
| st_destroy_pbo_helpers(st); |
| st_destroy_bound_texture_handles(st); |
| st_destroy_bound_image_handles(st); |
| |
| for (i = 0; i < ARRAY_SIZE(st->state.frag_sampler_views); i++) { |
| pipe_sampler_view_reference(&st->state.vert_sampler_views[i], NULL); |
| pipe_sampler_view_reference(&st->state.frag_sampler_views[i], NULL); |
| } |
| |
| /* free glReadPixels cache data */ |
| st_invalidate_readpix_cache(st); |
| util_throttle_deinit(st->pipe->screen, &st->throttle); |
| |
| cso_destroy_context(st->cso_context); |
| |
| if (st->pipe && destroy_pipe) |
| st->pipe->destroy(st->pipe); |
| |
| free(st); |
| } |
| |
| |
| static void |
| st_init_driver_flags(struct st_context *st) |
| { |
| struct gl_driver_flags *f = &st->ctx->DriverFlags; |
| |
| f->NewArray = ST_NEW_VERTEX_ARRAYS; |
| f->NewRasterizerDiscard = ST_NEW_RASTERIZER; |
| f->NewTileRasterOrder = ST_NEW_RASTERIZER; |
| f->NewUniformBuffer = ST_NEW_UNIFORM_BUFFER; |
| f->NewDefaultTessLevels = ST_NEW_TESS_STATE; |
| |
| /* Shader resources */ |
| f->NewTextureBuffer = ST_NEW_SAMPLER_VIEWS; |
| if (st->has_hw_atomics) |
| f->NewAtomicBuffer = ST_NEW_HW_ATOMICS | ST_NEW_CS_ATOMICS; |
| else |
| f->NewAtomicBuffer = ST_NEW_ATOMIC_BUFFER; |
| f->NewShaderStorageBuffer = ST_NEW_STORAGE_BUFFER; |
| f->NewImageUnits = ST_NEW_IMAGE_UNITS; |
| |
| f->NewShaderConstants[MESA_SHADER_VERTEX] = ST_NEW_VS_CONSTANTS; |
| f->NewShaderConstants[MESA_SHADER_TESS_CTRL] = ST_NEW_TCS_CONSTANTS; |
| f->NewShaderConstants[MESA_SHADER_TESS_EVAL] = ST_NEW_TES_CONSTANTS; |
| f->NewShaderConstants[MESA_SHADER_GEOMETRY] = ST_NEW_GS_CONSTANTS; |
| f->NewShaderConstants[MESA_SHADER_FRAGMENT] = ST_NEW_FS_CONSTANTS; |
| f->NewShaderConstants[MESA_SHADER_COMPUTE] = ST_NEW_CS_CONSTANTS; |
| |
| f->NewWindowRectangles = ST_NEW_WINDOW_RECTANGLES; |
| f->NewFramebufferSRGB = ST_NEW_FB_STATE; |
| f->NewScissorRect = ST_NEW_SCISSOR; |
| f->NewScissorTest = ST_NEW_SCISSOR | ST_NEW_RASTERIZER; |
| |
| if (st->lower_alpha_test) |
| f->NewAlphaTest = ST_NEW_FS_STATE; |
| else |
| f->NewAlphaTest = ST_NEW_DSA; |
| |
| f->NewBlend = ST_NEW_BLEND; |
| f->NewBlendColor = ST_NEW_BLEND_COLOR; |
| f->NewColorMask = ST_NEW_BLEND; |
| f->NewDepth = ST_NEW_DSA; |
| f->NewLogicOp = ST_NEW_BLEND; |
| f->NewStencil = ST_NEW_DSA; |
| f->NewMultisampleEnable = ST_NEW_BLEND | ST_NEW_RASTERIZER | |
| ST_NEW_SAMPLE_STATE | ST_NEW_SAMPLE_SHADING; |
| f->NewSampleAlphaToXEnable = ST_NEW_BLEND; |
| f->NewSampleMask = ST_NEW_SAMPLE_STATE; |
| f->NewSampleLocations = ST_NEW_SAMPLE_STATE; |
| f->NewSampleShading = ST_NEW_SAMPLE_SHADING; |
| |
| /* This depends on what the gallium driver wants. */ |
| if (st->force_persample_in_shader) { |
| f->NewMultisampleEnable |= ST_NEW_FS_STATE; |
| f->NewSampleShading |= ST_NEW_FS_STATE; |
| } else { |
| f->NewSampleShading |= ST_NEW_RASTERIZER; |
| } |
| |
| f->NewClipControl = ST_NEW_VIEWPORT | ST_NEW_RASTERIZER; |
| f->NewClipPlane = ST_NEW_CLIP_STATE; |
| |
| if (st->clamp_frag_depth_in_shader) { |
| f->NewClipControl |= ST_NEW_VS_STATE | ST_NEW_GS_STATE | |
| ST_NEW_TES_STATE; |
| |
| f->NewDepthClamp = ST_NEW_FS_STATE | ST_NEW_VS_STATE | |
| ST_NEW_GS_STATE | ST_NEW_TES_STATE; |
| } else { |
| f->NewDepthClamp = ST_NEW_RASTERIZER; |
| } |
| |
| if (st->lower_ucp) |
| f->NewClipPlaneEnable = ST_NEW_VS_STATE; |
| else |
| f->NewClipPlaneEnable = ST_NEW_RASTERIZER; |
| |
| f->NewLineState = ST_NEW_RASTERIZER; |
| f->NewPolygonState = ST_NEW_RASTERIZER; |
| f->NewPolygonStipple = ST_NEW_POLY_STIPPLE; |
| f->NewViewport = ST_NEW_VIEWPORT; |
| f->NewNvConservativeRasterization = ST_NEW_RASTERIZER; |
| f->NewNvConservativeRasterizationParams = ST_NEW_RASTERIZER; |
| f->NewIntelConservativeRasterization = ST_NEW_RASTERIZER; |
| } |
| |
| |
| static struct st_context * |
| st_create_context_priv(struct gl_context *ctx, struct pipe_context *pipe, |
| const struct st_config_options *options, bool no_error) |
| { |
| struct pipe_screen *screen = pipe->screen; |
| uint i; |
| struct st_context *st = ST_CALLOC_STRUCT( st_context); |
| |
| st->options = *options; |
| |
| ctx->st = st; |
| |
| st->ctx = ctx; |
| st->pipe = pipe; |
| st->dirty = ST_ALL_STATES_MASK; |
| |
| st->can_bind_const_buffer_as_vertex = |
| screen->get_param(screen, PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX); |
| |
| /* st/mesa always uploads zero-stride vertex attribs, and other user |
| * vertex buffers are only possible with a compatibility profile. |
| * So tell the u_vbuf module that user VBOs are not possible with the Core |
| * profile, so that u_vbuf is bypassed completely if there is nothing else |
| * to do. |
| */ |
| unsigned cso_flags = |
| ctx->API == API_OPENGL_CORE ? CSO_NO_USER_VERTEX_BUFFERS : 0; |
| st->cso_context = cso_create_context(pipe, cso_flags); |
| |
| st_init_atoms(st); |
| st_init_clear(st); |
| st_init_pbo_helpers(st); |
| |
| /* Choose texture target for glDrawPixels, glBitmap, renderbuffers */ |
| if (pipe->screen->get_param(pipe->screen, PIPE_CAP_NPOT_TEXTURES)) |
| st->internal_target = PIPE_TEXTURE_2D; |
| else |
| st->internal_target = PIPE_TEXTURE_RECT; |
| |
| /* Setup vertex element info for 'struct st_util_vertex'. |
| */ |
| { |
| STATIC_ASSERT(sizeof(struct st_util_vertex) == 9 * sizeof(float)); |
| |
| memset(&st->util_velems, 0, sizeof(st->util_velems)); |
| st->util_velems.velems[0].src_offset = 0; |
| st->util_velems.velems[0].vertex_buffer_index = 0; |
| st->util_velems.velems[0].src_format = PIPE_FORMAT_R32G32B32_FLOAT; |
| st->util_velems.velems[1].src_offset = 3 * sizeof(float); |
| st->util_velems.velems[1].vertex_buffer_index = 0; |
| st->util_velems.velems[1].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; |
| st->util_velems.velems[2].src_offset = 7 * sizeof(float); |
| st->util_velems.velems[2].vertex_buffer_index = 0; |
| st->util_velems.velems[2].src_format = PIPE_FORMAT_R32G32_FLOAT; |
| } |
| |
| /* Need these flags: |
| */ |
| ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE; |
| ctx->VertexProgram._MaintainTnlProgram = GL_TRUE; |
| |
| if (no_error) |
| ctx->Const.ContextFlags |= GL_CONTEXT_FLAG_NO_ERROR_BIT_KHR; |
| |
| ctx->Const.PackedDriverUniformStorage = |
| screen->get_param(screen, PIPE_CAP_PACKED_UNIFORMS); |
| |
| ctx->Const.BitmapUsesRed = |
| screen->is_format_supported(screen, PIPE_FORMAT_R8_UNORM, |
| PIPE_TEXTURE_2D, 0, 0, |
| PIPE_BIND_SAMPLER_VIEW); |
| |
| st->has_stencil_export = |
| screen->get_param(screen, PIPE_CAP_SHADER_STENCIL_EXPORT); |
| st->has_etc1 = screen->is_format_supported(screen, PIPE_FORMAT_ETC1_RGB8, |
| PIPE_TEXTURE_2D, 0, 0, |
| PIPE_BIND_SAMPLER_VIEW); |
| st->has_etc2 = screen->is_format_supported(screen, PIPE_FORMAT_ETC2_RGB8, |
| PIPE_TEXTURE_2D, 0, 0, |
| PIPE_BIND_SAMPLER_VIEW); |
| st->has_astc_2d_ldr = |
| screen->is_format_supported(screen, PIPE_FORMAT_ASTC_4x4_SRGB, |
| PIPE_TEXTURE_2D, 0, 0, PIPE_BIND_SAMPLER_VIEW); |
| st->has_astc_5x5_ldr = |
| screen->is_format_supported(screen, PIPE_FORMAT_ASTC_5x5_SRGB, |
| PIPE_TEXTURE_2D, 0, 0, PIPE_BIND_SAMPLER_VIEW); |
| st->prefer_blit_based_texture_transfer = screen->get_param(screen, |
| PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER); |
| st->force_persample_in_shader = |
| screen->get_param(screen, PIPE_CAP_SAMPLE_SHADING) && |
| !screen->get_param(screen, PIPE_CAP_FORCE_PERSAMPLE_INTERP); |
| st->has_shareable_shaders = screen->get_param(screen, |
| PIPE_CAP_SHAREABLE_SHADERS); |
| st->needs_texcoord_semantic = |
| screen->get_param(screen, PIPE_CAP_TGSI_TEXCOORD); |
| st->apply_texture_swizzle_to_border_color = |
| !!(screen->get_param(screen, PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK) & |
| (PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 | |
| PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_R600)); |
| st->has_time_elapsed = |
| screen->get_param(screen, PIPE_CAP_QUERY_TIME_ELAPSED); |
| st->has_half_float_packing = |
| screen->get_param(screen, PIPE_CAP_TGSI_PACK_HALF_FLOAT); |
| st->has_multi_draw_indirect = |
| screen->get_param(screen, PIPE_CAP_MULTI_DRAW_INDIRECT); |
| st->has_single_pipe_stat = |
| screen->get_param(screen, PIPE_CAP_QUERY_PIPELINE_STATISTICS_SINGLE); |
| st->has_indep_blend_func = |
| screen->get_param(screen, PIPE_CAP_INDEP_BLEND_FUNC); |
| st->needs_rgb_dst_alpha_override = |
| screen->get_param(screen, PIPE_CAP_RGB_OVERRIDE_DST_ALPHA_BLEND); |
| st->lower_flatshade = |
| !screen->get_param(screen, PIPE_CAP_FLATSHADE); |
| st->lower_alpha_test = |
| !screen->get_param(screen, PIPE_CAP_ALPHA_TEST); |
| st->lower_point_size = |
| !screen->get_param(screen, PIPE_CAP_POINT_SIZE_FIXED); |
| st->lower_two_sided_color = |
| !screen->get_param(screen, PIPE_CAP_TWO_SIDED_COLOR); |
| st->lower_ucp = |
| !screen->get_param(screen, PIPE_CAP_CLIP_PLANES); |
| st->allow_st_finalize_nir_twice = screen->finalize_nir != NULL; |
| |
| st->has_hw_atomics = |
| screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT, |
| PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS) |
| ? true : false; |
| |
| util_throttle_init(&st->throttle, |
| screen->get_param(screen, |
| PIPE_CAP_MAX_TEXTURE_UPLOAD_MEMORY_BUDGET)); |
| |
| /* GL limits and extensions */ |
| st_init_limits(pipe->screen, &ctx->Const, &ctx->Extensions); |
| st_init_extensions(pipe->screen, &ctx->Const, |
| &ctx->Extensions, &st->options, ctx->API); |
| |
| /* FIXME: add support for geometry and tessellation shaders for |
| * lower_point_size |
| */ |
| assert(!ctx->Extensions.OES_geometry_shader || !st->lower_point_size); |
| assert(!ctx->Extensions.ARB_tessellation_shader || !st->lower_point_size); |
| |
| /* FIXME: add support for geometry and tessellation shaders for |
| * lower_ucp |
| */ |
| assert(!ctx->Extensions.OES_geometry_shader || !st->lower_ucp); |
| assert(!ctx->Extensions.ARB_tessellation_shader || !st->lower_ucp); |
| |
| if (st_have_perfmon(st)) { |
| ctx->Extensions.AMD_performance_monitor = GL_TRUE; |
| } |
| |
| if (st_have_perfquery(st)) { |
| ctx->Extensions.INTEL_performance_query = GL_TRUE; |
| } |
| |
| /* Enable shader-based fallbacks for ARB_color_buffer_float if needed. */ |
| if (screen->get_param(screen, PIPE_CAP_VERTEX_COLOR_UNCLAMPED)) { |
| if (!screen->get_param(screen, PIPE_CAP_VERTEX_COLOR_CLAMPED)) { |
| st->clamp_vert_color_in_shader = GL_TRUE; |
| } |
| |
| if (!screen->get_param(screen, PIPE_CAP_FRAGMENT_COLOR_CLAMPED)) { |
| st->clamp_frag_color_in_shader = GL_TRUE; |
| } |
| |
| /* For drivers which cannot do color clamping, it's better to just |
| * disable ARB_color_buffer_float in the core profile, because |
| * the clamping is deprecated there anyway. */ |
| if (ctx->API == API_OPENGL_CORE && |
| (st->clamp_frag_color_in_shader || st->clamp_vert_color_in_shader)) { |
| st->clamp_vert_color_in_shader = GL_FALSE; |
| st->clamp_frag_color_in_shader = GL_FALSE; |
| ctx->Extensions.ARB_color_buffer_float = GL_FALSE; |
| } |
| } |
| |
| if (screen->get_param(screen, PIPE_CAP_DEPTH_CLIP_DISABLE) == 2) |
| st->clamp_frag_depth_in_shader = true; |
| |
| /* called after _mesa_create_context/_mesa_init_point, fix default user |
| * settable max point size up |
| */ |
| ctx->Point.MaxSize = MAX2(ctx->Const.MaxPointSize, |
| ctx->Const.MaxPointSizeAA); |
| /* For vertex shaders, make sure not to emit saturate when SM 3.0 |
| * is not supported |
| */ |
| ctx->Const.ShaderCompilerOptions[MESA_SHADER_VERTEX].EmitNoSat = |
| !screen->get_param(screen, PIPE_CAP_VERTEX_SHADER_SATURATE); |
| |
| ctx->Const.ShaderCompilerOptions[MESA_SHADER_VERTEX].PositionAlwaysInvariant = options->vs_position_always_invariant; |
| |
| enum pipe_shader_ir preferred_ir = (enum pipe_shader_ir) |
| screen->get_shader_param(screen, PIPE_SHADER_VERTEX, |
| PIPE_SHADER_CAP_PREFERRED_IR); |
| ctx->Const.UseNIRGLSLLinker = preferred_ir == PIPE_SHADER_IR_NIR; |
| |
| if (ctx->Const.GLSLVersion < 400) { |
| for (i = 0; i < MESA_SHADER_STAGES; i++) |
| ctx->Const.ShaderCompilerOptions[i].EmitNoIndirectSampler = true; |
| } |
| |
| /* Set which shader types can be compiled at link time. */ |
| st->shader_has_one_variant[MESA_SHADER_VERTEX] = |
| st->has_shareable_shaders && |
| !st->clamp_frag_depth_in_shader && |
| !st->clamp_vert_color_in_shader && |
| !st->lower_point_size && |
| !st->lower_ucp; |
| |
| st->shader_has_one_variant[MESA_SHADER_FRAGMENT] = |
| st->has_shareable_shaders && |
| !st->lower_flatshade && |
| !st->lower_alpha_test && |
| !st->clamp_frag_color_in_shader && |
| !st->clamp_frag_depth_in_shader && |
| !st->force_persample_in_shader && |
| !st->lower_two_sided_color; |
| |
| st->shader_has_one_variant[MESA_SHADER_TESS_CTRL] = st->has_shareable_shaders; |
| st->shader_has_one_variant[MESA_SHADER_TESS_EVAL] = |
| st->has_shareable_shaders && |
| !st->clamp_frag_depth_in_shader && |
| !st->clamp_vert_color_in_shader; |
| st->shader_has_one_variant[MESA_SHADER_GEOMETRY] = |
| st->has_shareable_shaders && |
| !st->clamp_frag_depth_in_shader && |
| !st->clamp_vert_color_in_shader; |
| st->shader_has_one_variant[MESA_SHADER_COMPUTE] = st->has_shareable_shaders; |
| |
| st->bitmap.cache.empty = true; |
| |
| _mesa_override_extensions(ctx); |
| _mesa_compute_version(ctx); |
| |
| if (ctx->Version == 0) { |
| /* This can happen when a core profile was requested, but the driver |
| * does not support some features of GL 3.1 or later. |
| */ |
| st_destroy_context_priv(st, false); |
| return NULL; |
| } |
| |
| /* This must be done after extensions are initialized to enable persistent |
| * mappings immediately. |
| */ |
| _vbo_CreateContext(ctx, true); |
| |
| _mesa_initialize_dispatch_tables(ctx); |
| _mesa_initialize_vbo_vtxfmt(ctx); |
| st_init_driver_flags(st); |
| |
| /* Initialize context's winsys buffers list */ |
| list_inithead(&st->winsys_buffers); |
| |
| list_inithead(&st->zombie_sampler_views.list.node); |
| simple_mtx_init(&st->zombie_sampler_views.mutex, mtx_plain); |
| list_inithead(&st->zombie_shaders.list.node); |
| simple_mtx_init(&st->zombie_shaders.mutex, mtx_plain); |
| |
| return st; |
| } |
| |
| |
| static void |
| st_emit_string_marker(struct gl_context *ctx, const GLchar *string, GLsizei len) |
| { |
| struct st_context *st = ctx->st; |
| st->pipe->emit_string_marker(st->pipe, string, len); |
| } |
| |
| |
| static void |
| st_set_background_context(struct gl_context *ctx, |
| struct util_queue_monitoring *queue_info) |
| { |
| struct st_context *st = ctx->st; |
| struct st_manager *smapi = |
| (struct st_manager *) st->iface.st_context_private; |
| |
| assert(smapi->set_background_context); |
| smapi->set_background_context(&st->iface, queue_info); |
| } |
| |
| |
| static void |
| st_get_device_uuid(struct gl_context *ctx, char *uuid) |
| { |
| struct pipe_screen *screen = st_context(ctx)->pipe->screen; |
| |
| assert(GL_UUID_SIZE_EXT >= PIPE_UUID_SIZE); |
| memset(uuid, 0, GL_UUID_SIZE_EXT); |
| screen->get_device_uuid(screen, uuid); |
| } |
| |
| |
| static void |
| st_get_driver_uuid(struct gl_context *ctx, char *uuid) |
| { |
| struct pipe_screen *screen = st_context(ctx)->pipe->screen; |
| |
| assert(GL_UUID_SIZE_EXT >= PIPE_UUID_SIZE); |
| memset(uuid, 0, GL_UUID_SIZE_EXT); |
| screen->get_driver_uuid(screen, uuid); |
| } |
| |
| |
| static void |
| st_init_driver_functions(struct pipe_screen *screen, |
| struct dd_function_table *functions) |
| { |
| _mesa_init_sampler_object_functions(functions); |
| |
| st_init_draw_functions(functions); |
| st_init_blit_functions(functions); |
| st_init_bufferobject_functions(screen, functions); |
| st_init_clear_functions(functions); |
| st_init_bitmap_functions(functions); |
| st_init_copy_image_functions(functions); |
| st_init_drawpixels_functions(functions); |
| st_init_rasterpos_functions(functions); |
| |
| st_init_drawtex_functions(functions); |
| |
| st_init_eglimage_functions(functions); |
| |
| st_init_fbo_functions(functions); |
| st_init_feedback_functions(functions); |
| st_init_memoryobject_functions(functions); |
| st_init_msaa_functions(functions); |
| st_init_perfmon_functions(functions); |
| st_init_perfquery_functions(functions); |
| st_init_program_functions(functions); |
| st_init_query_functions(functions); |
| st_init_cond_render_functions(functions); |
| st_init_readpixels_functions(functions); |
| st_init_semaphoreobject_functions(functions); |
| st_init_texture_functions(functions); |
| st_init_texture_barrier_functions(functions); |
| st_init_flush_functions(screen, functions); |
| st_init_string_functions(functions); |
| st_init_viewport_functions(functions); |
| st_init_compute_functions(functions); |
| |
| st_init_xformfb_functions(functions); |
| st_init_syncobj_functions(functions); |
| |
| st_init_vdpau_functions(functions); |
| |
| if (screen->get_param(screen, PIPE_CAP_STRING_MARKER)) |
| functions->EmitStringMarker = st_emit_string_marker; |
| |
| functions->Enable = st_Enable; |
| functions->UpdateState = st_invalidate_state; |
| functions->QueryMemoryInfo = st_query_memory_info; |
| functions->SetBackgroundContext = st_set_background_context; |
| functions->GetDriverUuid = st_get_driver_uuid; |
| functions->GetDeviceUuid = st_get_device_uuid; |
| |
| /* GL_ARB_get_program_binary */ |
| functions->GetProgramBinaryDriverSHA1 = st_get_program_binary_driver_sha1; |
| |
| enum pipe_shader_ir preferred_ir = (enum pipe_shader_ir) |
| screen->get_shader_param(screen, PIPE_SHADER_VERTEX, |
| PIPE_SHADER_CAP_PREFERRED_IR); |
| if (preferred_ir == PIPE_SHADER_IR_NIR) { |
| functions->ShaderCacheSerializeDriverBlob = st_serialise_nir_program; |
| functions->ProgramBinarySerializeDriverBlob = |
| st_serialise_nir_program_binary; |
| functions->ProgramBinaryDeserializeDriverBlob = |
| st_deserialise_nir_program; |
| } else { |
| functions->ShaderCacheSerializeDriverBlob = st_serialise_tgsi_program; |
| functions->ProgramBinarySerializeDriverBlob = |
| st_serialise_tgsi_program_binary; |
| functions->ProgramBinaryDeserializeDriverBlob = |
| st_deserialise_tgsi_program; |
| } |
| } |
| |
| |
| struct st_context * |
| st_create_context(gl_api api, struct pipe_context *pipe, |
| const struct gl_config *visual, |
| struct st_context *share, |
| const struct st_config_options *options, |
| bool no_error) |
| { |
| struct gl_context *ctx; |
| struct gl_context *shareCtx = share ? share->ctx : NULL; |
| struct dd_function_table funcs; |
| struct st_context *st; |
| |
| util_cpu_detect(); |
| |
| memset(&funcs, 0, sizeof(funcs)); |
| st_init_driver_functions(pipe->screen, &funcs); |
| |
| ctx = calloc(1, sizeof(struct gl_context)); |
| if (!ctx) |
| return NULL; |
| |
| if (!_mesa_initialize_context(ctx, api, visual, shareCtx, &funcs)) { |
| free(ctx); |
| return NULL; |
| } |
| |
| st_debug_init(); |
| |
| if (pipe->screen->get_disk_shader_cache) |
| ctx->Cache = pipe->screen->get_disk_shader_cache(pipe->screen); |
| |
| /* XXX: need a capability bit in gallium to query if the pipe |
| * driver prefers DP4 or MUL/MAD for vertex transformation. |
| */ |
| if (debug_get_option_mesa_mvp_dp4()) |
| ctx->Const.ShaderCompilerOptions[MESA_SHADER_VERTEX].OptimizeForAOS = GL_TRUE; |
| |
| st = st_create_context_priv(ctx, pipe, options, no_error); |
| if (!st) { |
| _mesa_destroy_context(ctx); |
| } |
| |
| return st; |
| } |
| |
| |
| /** |
| * When we destroy a context, we must examine all texture objects to |
| * find/release any sampler views created by that context. |
| * |
| * This callback is called per-texture object. It releases all the |
| * texture's sampler views which belong to the context. |
| */ |
| static void |
| destroy_tex_sampler_cb(GLuint id, void *data, void *userData) |
| { |
| struct gl_texture_object *texObj = (struct gl_texture_object *) data; |
| struct st_context *st = (struct st_context *) userData; |
| |
| st_texture_release_context_sampler_view(st, st_texture_object(texObj)); |
| } |
| |
| static void |
| destroy_framebuffer_attachment_sampler_cb(GLuint id, void *data, void *userData) |
| { |
| struct gl_framebuffer* glfb = (struct gl_framebuffer*) data; |
| struct st_context *st = (struct st_context *) userData; |
| |
| for (unsigned i = 0; i < BUFFER_COUNT; i++) { |
| struct gl_renderbuffer_attachment *att = &glfb->Attachment[i]; |
| if (att->Texture) { |
| st_texture_release_context_sampler_view(st, st_texture_object(att->Texture)); |
| } |
| } |
| } |
| |
| void |
| st_destroy_context(struct st_context *st) |
| { |
| struct gl_context *ctx = st->ctx; |
| struct st_framebuffer *stfb, *next; |
| struct gl_framebuffer *save_drawbuffer; |
| struct gl_framebuffer *save_readbuffer; |
| |
| /* Save the current context and draw/read buffers*/ |
| GET_CURRENT_CONTEXT(save_ctx); |
| if (save_ctx) { |
| save_drawbuffer = save_ctx->WinSysDrawBuffer; |
| save_readbuffer = save_ctx->WinSysReadBuffer; |
| } else { |
| save_drawbuffer = save_readbuffer = NULL; |
| } |
| |
| /* |
| * We need to bind the context we're deleting so that |
| * _mesa_reference_texobj_() uses this context when deleting textures. |
| * Similarly for framebuffer objects, etc. |
| */ |
| _mesa_make_current(ctx, NULL, NULL); |
| |
| /* This must be called first so that glthread has a chance to finish */ |
| _mesa_glthread_destroy(ctx); |
| |
| _mesa_HashWalk(ctx->Shared->TexObjects, destroy_tex_sampler_cb, st); |
| |
| /* For the fallback textures, free any sampler views belonging to this |
| * context. |
| */ |
| for (unsigned i = 0; i < NUM_TEXTURE_TARGETS; i++) { |
| struct st_texture_object *stObj = |
| st_texture_object(ctx->Shared->FallbackTex[i]); |
| if (stObj) { |
| st_texture_release_context_sampler_view(st, stObj); |
| } |
| } |
| |
| st_context_free_zombie_objects(st); |
| |
| simple_mtx_destroy(&st->zombie_sampler_views.mutex); |
| simple_mtx_destroy(&st->zombie_shaders.mutex); |
| |
| st_reference_prog(st, &st->fp, NULL); |
| st_reference_prog(st, &st->gp, NULL); |
| st_reference_prog(st, &st->vp, NULL); |
| st_reference_prog(st, &st->tcp, NULL); |
| st_reference_prog(st, &st->tep, NULL); |
| st_reference_prog(st, &st->cp, NULL); |
| |
| /* release framebuffer in the winsys buffers list */ |
| LIST_FOR_EACH_ENTRY_SAFE_REV(stfb, next, &st->winsys_buffers, head) { |
| st_framebuffer_reference(&stfb, NULL); |
| } |
| |
| _mesa_HashWalk(ctx->Shared->FrameBuffers, destroy_framebuffer_attachment_sampler_cb, st); |
| |
| pipe_sampler_view_reference(&st->pixel_xfer.pixelmap_sampler_view, NULL); |
| pipe_resource_reference(&st->pixel_xfer.pixelmap_texture, NULL); |
| |
| _vbo_DestroyContext(ctx); |
| |
| st_destroy_program_variants(st); |
| |
| _mesa_free_context_data(ctx); |
| |
| /* This will free the st_context too, so 'st' must not be accessed |
| * afterwards. */ |
| st_destroy_context_priv(st, true); |
| st = NULL; |
| |
| free(ctx); |
| |
| if (save_ctx == ctx) { |
| /* unbind the context we just deleted */ |
| _mesa_make_current(NULL, NULL, NULL); |
| } else { |
| /* Restore the current context and draw/read buffers (may be NULL) */ |
| _mesa_make_current(save_ctx, save_drawbuffer, save_readbuffer); |
| } |
| } |