/************************************************************************** * * 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 "main/imports.h" #include "main/accum.h" #include "main/api_exec.h" #include "main/context.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_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_condrender.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_msaa.h" #include "st_cb_perfmon.h" #include "st_cb_program.h" #include "st_cb_queryobj.h" #include "st_cb_readpixels.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_program.h" #include "st_vdpau.h" #include "st_texture.h" #include "pipe/p_context.h" #include "util/u_inlines.h" #include "util/u_upload_mgr.h" #include "cso_cache/cso_context.h" DEBUG_GET_ONCE_BOOL_OPTION(mesa_mvp_dp4, "MESA_MVP_DP4", FALSE) /** * Called via ctx->Driver.UpdateState() */ void st_invalidate_state(struct gl_context * ctx, GLuint new_state) { struct st_context *st = st_context(ctx); /* Replace _NEW_FRAG_CLAMP with ST_NEW_FRAGMENT_PROGRAM for the fallback. */ if (st->clamp_frag_color_in_shader && (new_state & _NEW_FRAG_CLAMP)) { new_state &= ~_NEW_FRAG_CLAMP; st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM; } /* Update the vertex shader if ctx->Light._ClampVertexColor was changed. */ if (st->clamp_vert_color_in_shader && (new_state & _NEW_LIGHT)) { st->dirty.st |= ST_NEW_VERTEX_PROGRAM; } st->dirty.mesa |= new_state; st->dirty.st |= ST_NEW_MESA; /* This is the only core Mesa module we depend upon. * No longer use swrast, swsetup, tnl. */ _vbo_InvalidateState(ctx, new_state); } static void st_destroy_context_priv(struct st_context *st) { uint shader, 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); for (shader = 0; shader < ARRAY_SIZE(st->state.sampler_views); shader++) { for (i = 0; i < ARRAY_SIZE(st->state.sampler_views[0]); i++) { pipe_sampler_view_release(st->pipe, &st->state.sampler_views[shader][i]); } } if (st->default_texture) { st->ctx->Driver.DeleteTexture(st->ctx, st->default_texture); st->default_texture = NULL; } u_upload_destroy(st->uploader); if (st->indexbuf_uploader) { u_upload_destroy(st->indexbuf_uploader); } if (st->constbuf_uploader) { u_upload_destroy(st->constbuf_uploader); } cso_destroy_context(st->cso_context); free( st ); } static struct st_context * st_create_context_priv( struct gl_context *ctx, struct pipe_context *pipe, const struct st_config_options *options) { 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; /* XXX: this is one-off, per-screen init: */ st_debug_init(); /* state tracker needs the VBO module */ _vbo_CreateContext(ctx); st->dirty.mesa = ~0; st->dirty.st = ~0; /* Create upload manager for vertex data for glBitmap, glDrawPixels, * glClear, etc. */ st->uploader = u_upload_create(st->pipe, 65536, 4, PIPE_BIND_VERTEX_BUFFER); if (!screen->get_param(screen, PIPE_CAP_USER_INDEX_BUFFERS)) { st->indexbuf_uploader = u_upload_create(st->pipe, 128 * 1024, 4, PIPE_BIND_INDEX_BUFFER); } if (!screen->get_param(screen, PIPE_CAP_USER_CONSTANT_BUFFERS)) { unsigned alignment = screen->get_param(screen, PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT); st->constbuf_uploader = u_upload_create(pipe, 128 * 1024, alignment, PIPE_BIND_CONSTANT_BUFFER); } st->cso_context = cso_create_context(pipe); st_init_atoms( st ); st_init_bitmap(st); st_init_clear(st); st_init_draw( 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; /* Vertex element objects used for drawing rectangles for glBitmap, * glDrawPixels, glClear, etc. */ for (i = 0; i < ARRAY_SIZE(st->velems_util_draw); i++) { memset(&st->velems_util_draw[i], 0, sizeof(struct pipe_vertex_element)); st->velems_util_draw[i].src_offset = i * 4 * sizeof(float); st->velems_util_draw[i].instance_divisor = 0; st->velems_util_draw[i].vertex_buffer_index = cso_get_aux_vertex_buffer_slot(st->cso_context); st->velems_util_draw[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; } /* we want all vertex data to be placed in buffer objects */ vbo_use_buffer_objects(ctx); /* make sure that no VBOs are left mapped when we're drawing. */ vbo_always_unmap_buffers(ctx); /* Need these flags: */ st->ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE; st->ctx->VertexProgram._MaintainTnlProgram = GL_TRUE; st->pixel_xfer.cache = _mesa_new_program_cache(); st->has_stencil_export = screen->get_param(screen, PIPE_CAP_SHADER_STENCIL_EXPORT); st->has_shader_model3 = screen->get_param(screen, PIPE_CAP_SM3); st->has_etc1 = screen->is_format_supported(screen, PIPE_FORMAT_ETC1_RGB8, PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW); st->has_etc2 = screen->is_format_supported(screen, PIPE_FORMAT_ETC2_RGB8, PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW); st->prefer_blit_based_texture_transfer = screen->get_param(screen, PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER); 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); /* GL limits and extensions */ st_init_limits(st->pipe->screen, &ctx->Const, &ctx->Extensions); st_init_extensions(st->pipe->screen, &ctx->Const, &ctx->Extensions, &st->options, ctx->Mesa_DXTn); if (st_init_perfmon(st)) { /* GL_AMD_performance_monitor is only enabled when the underlying * driver expose GPU hardware performance counters. */ ctx->Extensions.AMD_performance_monitor = 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; } } /* called after _mesa_create_context/_mesa_init_point, fix default user * settable max point size up */ st->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 = !st->has_shader_model3; if (!ctx->Extensions.ARB_gpu_shader5) { for (i = 0; i < MESA_SHADER_STAGES; i++) ctx->Const.ShaderCompilerOptions[i].EmitNoIndirectSampler = true; } _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); return NULL; } _mesa_initialize_dispatch_tables(ctx); _mesa_initialize_vbo_vtxfmt(ctx); return st; } static void st_init_driver_flags(struct gl_driver_flags *f) { f->NewArray = ST_NEW_VERTEX_ARRAYS; f->NewRasterizerDiscard = ST_NEW_RASTERIZER; f->NewUniformBuffer = ST_NEW_UNIFORM_BUFFER; } 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) { struct gl_context *ctx; struct gl_context *shareCtx = share ? share->ctx : NULL; struct dd_function_table funcs; struct st_context *st; memset(&funcs, 0, sizeof(funcs)); st_init_driver_functions(pipe->screen, &funcs); ctx = _mesa_create_context(api, visual, shareCtx, &funcs); if (!ctx) { return NULL; } st_init_driver_flags(&ctx->DriverFlags); /* 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); if (!st) { _mesa_destroy_context(ctx); } return st; } /** * Callback to release the sampler view attached to a texture object. * Called by _mesa_HashWalk(). */ 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_sampler_view(st, st_texture_object(texObj)); } void st_destroy_context( struct st_context *st ) { struct pipe_context *pipe = st->pipe; struct gl_context *ctx = st->ctx; GLuint i; _mesa_HashWalk(ctx->Shared->TexObjects, destroy_tex_sampler_cb, st); st_reference_fragprog(st, &st->fp, NULL); st_reference_geomprog(st, &st->gp, NULL); st_reference_vertprog(st, &st->vp, NULL); /* release framebuffer surfaces */ for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) { pipe_surface_reference(&st->state.framebuffer.cbufs[i], NULL); } pipe_surface_reference(&st->state.framebuffer.zsbuf, NULL); _mesa_delete_program_cache(st->ctx, st->pixel_xfer.cache); _vbo_DestroyContext(st->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); st = NULL; pipe->destroy( pipe ); free(ctx); } void st_init_driver_functions(struct pipe_screen *screen, struct dd_function_table *functions) { _mesa_init_shader_object_functions(functions); _mesa_init_sampler_object_functions(functions); functions->Accum = _mesa_accum; st_init_blit_functions(functions); st_init_bufferobject_functions(functions); st_init_clear_functions(functions); st_init_bitmap_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_msaa_functions(functions); st_init_perfmon_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_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_xformfb_functions(functions); st_init_syncobj_functions(functions); st_init_vdpau_functions(functions); functions->UpdateState = st_invalidate_state; }