diff options
Diffstat (limited to 'src/gallium/state_trackers/python/st_device.c')
-rw-r--r-- | src/gallium/state_trackers/python/st_device.c | 305 |
1 files changed, 0 insertions, 305 deletions
diff --git a/src/gallium/state_trackers/python/st_device.c b/src/gallium/state_trackers/python/st_device.c deleted file mode 100644 index d0a4295..0000000 --- a/src/gallium/state_trackers/python/st_device.c +++ /dev/null @@ -1,305 +0,0 @@ -/************************************************************************** - * - * Copyright 2008 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 "pipe/p_screen.h" -#include "pipe/p_context.h" -#include "pipe/p_shader_tokens.h" -#include "util/u_inlines.h" -#include "cso_cache/cso_context.h" -#include "util/u_math.h" -#include "util/u_memory.h" -#include "util/u_sampler.h" -#include "util/u_simple_shaders.h" -#include "trace/tr_public.h" - -#include "st_device.h" -#include "st_winsys.h" - - -static void -st_device_really_destroy(struct st_device *st_dev) -{ - if(st_dev->screen) { - /* FIXME: Don't really destroy until we keep track of every single - * reference or we end up causing a segmentation fault every time - * python exits. */ -#if 0 - st_dev->screen->destroy(st_dev->screen); -#endif - } - - FREE(st_dev); -} - - -static void -st_device_reference(struct st_device **ptr, struct st_device *st_dev) -{ - struct st_device *old_dev = *ptr; - - if (pipe_reference(&(*ptr)->reference, &st_dev->reference)) - st_device_really_destroy(old_dev); - *ptr = st_dev; -} - - -void -st_device_destroy(struct st_device *st_dev) -{ - st_device_reference(&st_dev, NULL); -} - - -struct st_device * -st_device_create(boolean hardware) -{ - struct pipe_screen *screen; - struct st_device *st_dev; - - if (hardware) - screen = st_hardware_screen_create(); - else - screen = st_software_screen_create("softpipe"); - - screen = trace_screen_create(screen); - if (!screen) - goto no_screen; - - st_dev = CALLOC_STRUCT(st_device); - if (!st_dev) - goto no_device; - - pipe_reference_init(&st_dev->reference, 1); - st_dev->screen = screen; - - return st_dev; - -no_device: - screen->destroy(screen); -no_screen: - return NULL; -} - - -void -st_context_destroy(struct st_context *st_ctx) -{ - unsigned i; - - if(st_ctx) { - struct st_device *st_dev = st_ctx->st_dev; - - if(st_ctx->cso) { - cso_delete_vertex_shader(st_ctx->cso, st_ctx->vs); - cso_delete_fragment_shader(st_ctx->cso, st_ctx->fs); - - cso_destroy_context(st_ctx->cso); - } - - if(st_ctx->pipe) - st_ctx->pipe->destroy(st_ctx->pipe); - - for(i = 0; i < PIPE_MAX_SAMPLERS; ++i) - pipe_sampler_view_reference(&st_ctx->fragment_sampler_views[i], NULL); - for(i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; ++i) - pipe_sampler_view_reference(&st_ctx->vertex_sampler_views[i], NULL); - pipe_resource_reference(&st_ctx->default_texture, NULL); - - FREE(st_ctx); - - st_device_reference(&st_dev, NULL); - } -} - - -struct st_context * -st_context_create(struct st_device *st_dev) -{ - struct st_context *st_ctx; - - st_ctx = CALLOC_STRUCT(st_context); - if(!st_ctx) - return NULL; - - st_device_reference(&st_ctx->st_dev, st_dev); - - st_ctx->pipe = st_dev->screen->context_create(st_dev->screen, NULL); - if(!st_ctx->pipe) { - st_context_destroy(st_ctx); - return NULL; - } - - st_ctx->cso = cso_create_context(st_ctx->pipe); - if(!st_ctx->cso) { - st_context_destroy(st_ctx); - return NULL; - } - - /* disabled blending/masking */ - { - struct pipe_blend_state blend; - memset(&blend, 0, sizeof(blend)); - blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE; - blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE; - blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO; - blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO; - blend.rt[0].colormask = PIPE_MASK_RGBA; - cso_set_blend(st_ctx->cso, &blend); - } - - /* no-op depth/stencil/alpha */ - { - struct pipe_depth_stencil_alpha_state depthstencil; - memset(&depthstencil, 0, sizeof(depthstencil)); - cso_set_depth_stencil_alpha(st_ctx->cso, &depthstencil); - } - - /* rasterizer */ - { - struct pipe_rasterizer_state rasterizer; - memset(&rasterizer, 0, sizeof(rasterizer)); - rasterizer.cull_face = PIPE_FACE_NONE; - cso_set_rasterizer(st_ctx->cso, &rasterizer); - } - - /* clip */ - { - struct pipe_clip_state clip; - memset(&clip, 0, sizeof(clip)); - st_ctx->pipe->set_clip_state(st_ctx->pipe, &clip); - } - - /* identity viewport */ - { - struct pipe_viewport_state viewport; - viewport.scale[0] = 1.0; - viewport.scale[1] = 1.0; - viewport.scale[2] = 1.0; - viewport.scale[3] = 1.0; - viewport.translate[0] = 0.0; - viewport.translate[1] = 0.0; - viewport.translate[2] = 0.0; - viewport.translate[3] = 0.0; - cso_set_viewport(st_ctx->cso, &viewport); - } - - /* samplers */ - { - struct pipe_sampler_state sampler; - unsigned i; - memset(&sampler, 0, sizeof(sampler)); - sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; - sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; - sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE; - sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NEAREST; - sampler.min_img_filter = PIPE_TEX_MIPFILTER_NEAREST; - sampler.mag_img_filter = PIPE_TEX_MIPFILTER_NEAREST; - sampler.normalized_coords = 1; - for (i = 0; i < PIPE_MAX_SAMPLERS; i++) - cso_single_sampler(st_ctx->cso, i, &sampler); - cso_single_sampler_done(st_ctx->cso); - } - - /* default textures */ - { - struct pipe_context *pipe = st_ctx->pipe; - struct pipe_screen *screen = st_dev->screen; - struct pipe_resource templat; - struct pipe_sampler_view view_templ; - struct pipe_sampler_view *view; - unsigned i; - - memset( &templat, 0, sizeof( templat ) ); - templat.target = PIPE_TEXTURE_2D; - templat.format = PIPE_FORMAT_B8G8R8A8_UNORM; - templat.width0 = 1; - templat.height0 = 1; - templat.depth0 = 1; - templat.array_size = 1; - templat.last_level = 0; - templat.bind = PIPE_BIND_SAMPLER_VIEW; - - st_ctx->default_texture = screen->resource_create( screen, &templat ); - if(st_ctx->default_texture) { - struct pipe_box box; - uint32_t zero = 0; - - u_box_origin_2d( 1, 1, &box ); - - pipe->transfer_inline_write(pipe, - st_ctx->default_texture, - 0, - PIPE_TRANSFER_WRITE, - &box, - &zero, - sizeof zero, - 0); - } - - u_sampler_view_default_template(&view_templ, - st_ctx->default_texture, - st_ctx->default_texture->format); - view = st_ctx->pipe->create_sampler_view(st_ctx->pipe, - st_ctx->default_texture, - &view_templ); - - for (i = 0; i < PIPE_MAX_SAMPLERS; i++) - pipe_sampler_view_reference(&st_ctx->fragment_sampler_views[i], view); - for (i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; i++) - pipe_sampler_view_reference(&st_ctx->vertex_sampler_views[i], view); - - st_ctx->pipe->set_fragment_sampler_views(st_ctx->pipe, - PIPE_MAX_SAMPLERS, - st_ctx->fragment_sampler_views); - st_ctx->pipe->set_vertex_sampler_views(st_ctx->pipe, - PIPE_MAX_VERTEX_SAMPLERS, - st_ctx->vertex_sampler_views); - - pipe_sampler_view_reference(&view, NULL); - } - - /* vertex shader */ - { - const uint semantic_names[] = { TGSI_SEMANTIC_POSITION, - TGSI_SEMANTIC_GENERIC }; - const uint semantic_indexes[] = { 0, 0 }; - st_ctx->vs = util_make_vertex_passthrough_shader(st_ctx->pipe, - 2, - semantic_names, - semantic_indexes); - cso_set_vertex_shader_handle(st_ctx->cso, st_ctx->vs); - } - - /* fragment shader */ - { - st_ctx->fs = util_make_fragment_passthrough_shader(st_ctx->pipe); - cso_set_fragment_shader_handle(st_ctx->cso, st_ctx->fs); - } - - return st_ctx; -} |