summaryrefslogtreecommitdiffstats
path: root/src/gallium/state_trackers/python/st_device.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/state_trackers/python/st_device.c')
-rw-r--r--src/gallium/state_trackers/python/st_device.c305
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;
-}