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| /************************************************************************** |
| * |
| * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. |
| * 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 TUNGSTEN GRAPHICS 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/context.h" |
| #include "main/shaderobj.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_accum.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_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_strings.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 "pipe/p_context.h" |
| #include "util/u_inlines.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); |
| |
| 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); |
| } |
| |
| |
| /** |
| * Check for multisample env var override. |
| */ |
| int |
| st_get_msaa(void) |
| { |
| const char *msaa = _mesa_getenv("__GL_FSAA_MODE"); |
| if (msaa) |
| return atoi(msaa); |
| return 0; |
| } |
| |
| |
| static struct st_context * |
| st_create_context_priv( struct gl_context *ctx, struct pipe_context *pipe ) |
| { |
| uint i; |
| struct st_context *st = ST_CALLOC_STRUCT( st_context ); |
| |
| 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; |
| |
| st->cso_context = cso_create_context(pipe); |
| |
| st_init_atoms( st ); |
| st_init_bitmap(st); |
| st_init_clear(st); |
| st_init_draw( st ); |
| st_init_generate_mipmap(st); |
| st_init_blit(st); |
| |
| if(pipe->screen->get_param(pipe->screen, PIPE_CAP_NPOT_TEXTURES)) |
| st->internal_target = PIPE_TEXTURE_2D; |
| else |
| st->internal_target = PIPE_TEXTURE_RECT; |
| |
| for (i = 0; i < PIPE_MAX_SAMPLERS; i++) |
| st->state.sampler_list[i] = &st->state.samplers[i]; |
| |
| for (i = 0; i < 3; 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 = 0; |
| 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); |
| |
| /* Need these flags: |
| */ |
| st->ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE; |
| |
| st->ctx->VertexProgram._MaintainTnlProgram = GL_TRUE; |
| |
| st->pixel_xfer.cache = _mesa_new_program_cache(); |
| |
| st->force_msaa = st_get_msaa(); |
| |
| /* GL limits and extensions */ |
| st_init_limits(st); |
| st_init_extensions(st); |
| |
| return st; |
| } |
| |
| |
| struct st_context *st_create_context(gl_api api, struct pipe_context *pipe, |
| const struct gl_config *visual, |
| struct st_context *share) |
| { |
| struct gl_context *ctx; |
| struct gl_context *shareCtx = share ? share->ctx : NULL; |
| struct dd_function_table funcs; |
| |
| /* Sanity checks */ |
| assert(MESA_SHADER_VERTEX == PIPE_SHADER_VERTEX); |
| assert(MESA_SHADER_FRAGMENT == PIPE_SHADER_FRAGMENT); |
| assert(MESA_SHADER_GEOMETRY == PIPE_SHADER_GEOMETRY); |
| |
| memset(&funcs, 0, sizeof(funcs)); |
| st_init_driver_functions(&funcs); |
| |
| ctx = _mesa_create_context_for_api(api, visual, shareCtx, &funcs, NULL); |
| |
| /* 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()) |
| _mesa_set_mvp_with_dp4( ctx, GL_TRUE ); |
| |
| return st_create_context_priv(ctx, pipe); |
| } |
| |
| |
| static void st_destroy_context_priv( struct st_context *st ) |
| { |
| uint i; |
| |
| st_destroy_atoms( st ); |
| st_destroy_draw( st ); |
| st_destroy_generate_mipmap(st); |
| st_destroy_blit(st); |
| st_destroy_clear(st); |
| st_destroy_bitmap(st); |
| st_destroy_drawpix(st); |
| st_destroy_drawtex(st); |
| |
| for (i = 0; i < Elements(st->state.sampler_views); i++) { |
| pipe_sampler_view_reference(&st->state.sampler_views[i], NULL); |
| } |
| |
| for (i = 0; i < Elements(st->state.constants); i++) { |
| if (st->state.constants[i]) { |
| pipe_resource_reference(&st->state.constants[i], NULL); |
| } |
| } |
| |
| if (st->default_texture) { |
| st->ctx->Driver.DeleteTexture(st->ctx, st->default_texture); |
| st->default_texture = NULL; |
| } |
| |
| free( st ); |
| } |
| |
| |
| void st_destroy_context( struct st_context *st ) |
| { |
| struct pipe_context *pipe = st->pipe; |
| struct cso_context *cso = st->cso_context; |
| struct gl_context *ctx = st->ctx; |
| GLuint i; |
| |
| /* need to unbind and destroy CSO objects before anything else */ |
| cso_release_all(st->cso_context); |
| |
| st_reference_fragprog(st, &st->fp, 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); |
| |
| pipe->set_index_buffer(pipe, NULL); |
| |
| for (i = 0; i < PIPE_SHADER_TYPES; i++) { |
| pipe->set_constant_buffer(pipe, i, 0, NULL); |
| pipe_resource_reference(&st->state.constants[i], NULL); |
| } |
| |
| _mesa_delete_program_cache(st->ctx, st->pixel_xfer.cache); |
| |
| _vbo_DestroyContext(st->ctx); |
| |
| _mesa_free_context_data(ctx); |
| |
| st_destroy_context_priv(st); |
| |
| cso_destroy_context(cso); |
| |
| pipe->destroy( pipe ); |
| |
| free(ctx); |
| } |
| |
| |
| void st_init_driver_functions(struct dd_function_table *functions) |
| { |
| _mesa_init_shader_object_functions(functions); |
| |
| st_init_accum_functions(functions); |
| 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_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_flush_functions(functions); |
| st_init_string_functions(functions); |
| st_init_viewport_functions(functions); |
| |
| st_init_xformfb_functions(functions); |
| |
| functions->UpdateState = st_invalidate_state; |
| } |