From 3679f690230b9691157d44cfa5baf947d84e1487 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Jos=C3=A9=20Fonseca?= Date: Mon, 14 Jul 2008 11:38:44 +0900 Subject: [PATCH] python: Set default state. --- src/gallium/state_trackers/python/gallium.i | 2 + src/gallium/state_trackers/python/st_device.c | 120 +++++++++++++++++- src/gallium/state_trackers/python/st_device.h | 4 +- 3 files changed, 116 insertions(+), 10 deletions(-) diff --git a/src/gallium/state_trackers/python/gallium.i b/src/gallium/state_trackers/python/gallium.i index 53d160ef6c4..6e355b79757 100644 --- a/src/gallium/state_trackers/python/gallium.i +++ b/src/gallium/state_trackers/python/gallium.i @@ -266,6 +266,8 @@ struct st_context { void set_sampler_texture(unsigned index, struct pipe_texture *texture) { + if(!texture) + texture = $self->default_texture; pipe_texture_reference(&$self->sampler_textures[index], texture); $self->pipe->set_sampler_textures($self->pipe, PIPE_MAX_SAMPLERS, diff --git a/src/gallium/state_trackers/python/st_device.c b/src/gallium/state_trackers/python/st_device.c index e9002b493de..25b5a4fa8c1 100644 --- a/src/gallium/state_trackers/python/st_device.c +++ b/src/gallium/state_trackers/python/st_device.c @@ -111,7 +111,8 @@ st_context_destroy(struct st_context *st_ctx) for(i = 0; i < PIPE_MAX_SAMPLERS; ++i) pipe_texture_reference(&st_ctx->sampler_textures[i], NULL); - + pipe_texture_reference(&st_ctx->default_texture, NULL); + FREE(st_ctx); if(!--st_dev->refcount) @@ -140,8 +141,111 @@ st_context_create(struct st_device *st_dev) if(!st_ctx->cso) st_context_destroy(st_ctx); + /* disabled blending/masking */ + { + struct pipe_blend_state blend; + memset(&blend, 0, sizeof(blend)); + blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE; + blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE; + blend.rgb_dst_factor = PIPE_BLENDFACTOR_ZERO; + blend.alpha_dst_factor = PIPE_BLENDFACTOR_ZERO; + blend.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.front_winding = PIPE_WINDING_CW; + rasterizer.cull_mode = PIPE_WINDING_NONE; + rasterizer.bypass_clipping = 1; + /*rasterizer.bypass_vs = 1;*/ + cso_set_rasterizer(st_ctx->cso, &rasterizer); + } + + /* 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_NONE; + 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_screen *screen = st_dev->screen; + struct pipe_texture templat; + struct pipe_surface *surface; + unsigned i; + + memset( &templat, 0, sizeof( templat ) ); + templat.target = PIPE_TEXTURE_2D; + templat.format = PIPE_FORMAT_A8R8G8B8_UNORM; + templat.block.size = 4; + templat.block.width = 1; + templat.block.height = 1; + templat.width[0] = 1; + templat.height[0] = 1; + templat.depth[0] = 1; + templat.last_level = 0; + + st_ctx->default_texture = screen->texture_create( screen, &templat ); + if(st_ctx->default_texture) { + surface = screen->get_tex_surface( screen, + st_ctx->default_texture, 0, 0, 0, + PIPE_BUFFER_USAGE_CPU_WRITE ); + if(surface) { + uint32_t *map; + map = (uint32_t *) pipe_surface_map(surface, PIPE_BUFFER_USAGE_CPU_WRITE ); + if(map) { + *map = 0x00000000; + pipe_surface_unmap( surface ); + } + pipe_surface_reference(&surface, NULL); + } + } + + for (i = 0; i < PIPE_MAX_SAMPLERS; i++) + pipe_texture_reference(&st_ctx->sampler_textures[i], st_ctx->default_texture); + + cso_set_sampler_textures(st_ctx->cso, PIPE_MAX_SAMPLERS, st_ctx->sampler_textures); + } + /* vertex shader */ { + struct pipe_shader_state vert_shader; + const uint semantic_names[] = { TGSI_SEMANTIC_POSITION, TGSI_SEMANTIC_GENERIC }; const uint semantic_indexes[] = { 0, 0 }; @@ -149,15 +253,17 @@ st_context_create(struct st_device *st_dev) 2, semantic_names, semantic_indexes, - &st_ctx->vert_shader); + &vert_shader); + cso_set_vertex_shader_handle(st_ctx->cso, st_ctx->vs); } /* fragment shader */ - st_ctx->fs = util_make_fragment_passthrough_shader(st_ctx->pipe, - &st_ctx->frag_shader); - - cso_set_fragment_shader_handle(st_ctx->cso, st_ctx->fs); - cso_set_vertex_shader_handle(st_ctx->cso, st_ctx->vs); + { + struct pipe_shader_state frag_shader; + st_ctx->fs = util_make_fragment_passthrough_shader(st_ctx->pipe, + &frag_shader); + cso_set_fragment_shader_handle(st_ctx->cso, st_ctx->fs); + } return st_ctx; } diff --git a/src/gallium/state_trackers/python/st_device.h b/src/gallium/state_trackers/python/st_device.h index 46db20acd76..2d95c2da731 100644 --- a/src/gallium/state_trackers/python/st_device.h +++ b/src/gallium/state_trackers/python/st_device.h @@ -45,12 +45,10 @@ struct st_context { struct cso_context *cso; - struct pipe_shader_state vert_shader; - struct pipe_shader_state frag_shader; - void *vs; void *fs; + struct pipe_texture *default_texture; struct pipe_texture *sampler_textures[PIPE_MAX_SAMPLERS]; struct pipe_vertex_buffer vertex_buffers[PIPE_MAX_ATTRIBS]; struct pipe_vertex_element vertex_elements[PIPE_MAX_ATTRIBS]; -- 2.30.2