void renderer_draw_texture(struct renderer *r, struct pipe_texture *tex, VGfloat x1offset, VGfloat y1offset, VGfloat x2offset, VGfloat y2offset, VGfloat x1, VGfloat y1, VGfloat x2, VGfloat y2) { struct pipe_context *pipe = r->pipe; struct pipe_buffer *buf; VGfloat s0, t0, s1, t1; assert(tex->width0 != 0); assert(tex->height0 != 0); s0 = x1offset / tex->width0; s1 = x2offset / tex->width0; t0 = y1offset / tex->height0; t1 = y2offset / tex->height0; cso_save_vertex_shader(r->cso); /* shaders */ cso_set_vertex_shader_handle(r->cso, vg_texture_vs(r->owner)); /* draw quad */ buf = setup_vertex_data_tex(r, x1, y1, x2, y2, s0, t0, s1, t1, 0.0f); if (buf) { util_draw_vertex_buffer(pipe, buf, 0, PIPE_PRIM_TRIANGLE_FAN, 4, /* verts */ 2); /* attribs/vert */ pipe_buffer_reference( &buf, NULL ); } cso_restore_vertex_shader(r->cso); }
/** * Copy pixel block from src sampler view to dst surface. * * The sampler view's first_level field indicates the source * mipmap level to use. * * The sampler view's first_layer indicate the layer to use, but for * cube maps it must point to the first face. Face is passed in src_face. * * The main advantage over util_blit_pixels is that it allows to specify swizzles in * pipe_sampler_view::swizzle_?. * * But there is no control over blitting Z and/or stencil. */ void util_blit_pixels_tex(struct blit_state *ctx, struct pipe_sampler_view *src_sampler_view, int srcX0, int srcY0, int srcX1, int srcY1, unsigned src_face, struct pipe_surface *dst, int dstX0, int dstY0, int dstX1, int dstY1, float z, uint filter) { boolean normalized = src_sampler_view->texture->target != PIPE_TEXTURE_RECT; struct pipe_framebuffer_state fb; float s0, t0, s1, t1; unsigned offset; struct pipe_resource *tex = src_sampler_view->texture; assert(filter == PIPE_TEX_MIPFILTER_NEAREST || filter == PIPE_TEX_MIPFILTER_LINEAR); assert(tex); assert(tex->width0 != 0); assert(tex->height0 != 0); s0 = (float) srcX0; s1 = (float) srcX1; t0 = (float) srcY0; t1 = (float) srcY1; if(normalized) { /* normalize according to the mipmap level's size */ int level = src_sampler_view->u.tex.first_level; float w = (float) u_minify(tex->width0, level); float h = (float) u_minify(tex->height0, level); s0 /= w; s1 /= w; t0 /= h; t1 /= h; } assert(ctx->pipe->screen->is_format_supported(ctx->pipe->screen, dst->format, PIPE_TEXTURE_2D, dst->texture->nr_samples, PIPE_BIND_RENDER_TARGET)); /* save state (restored below) */ cso_save_blend(ctx->cso); cso_save_depth_stencil_alpha(ctx->cso); cso_save_rasterizer(ctx->cso); cso_save_sample_mask(ctx->cso); cso_save_samplers(ctx->cso, PIPE_SHADER_FRAGMENT); cso_save_sampler_views(ctx->cso, PIPE_SHADER_FRAGMENT); cso_save_stream_outputs(ctx->cso); cso_save_viewport(ctx->cso); cso_save_framebuffer(ctx->cso); cso_save_fragment_shader(ctx->cso); cso_save_vertex_shader(ctx->cso); cso_save_geometry_shader(ctx->cso); cso_save_vertex_elements(ctx->cso); cso_save_aux_vertex_buffer_slot(ctx->cso); /* set misc state we care about */ cso_set_blend(ctx->cso, &ctx->blend_write_color); cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_keep_depthstencil); cso_set_sample_mask(ctx->cso, ~0); cso_set_rasterizer(ctx->cso, &ctx->rasterizer); cso_set_vertex_elements(ctx->cso, 2, ctx->velem); cso_set_stream_outputs(ctx->cso, 0, NULL, 0); /* sampler */ ctx->sampler.normalized_coords = normalized; ctx->sampler.min_img_filter = filter; ctx->sampler.mag_img_filter = filter; cso_single_sampler(ctx->cso, PIPE_SHADER_FRAGMENT, 0, &ctx->sampler); cso_single_sampler_done(ctx->cso, PIPE_SHADER_FRAGMENT); /* viewport */ ctx->viewport.scale[0] = 0.5f * dst->width; ctx->viewport.scale[1] = 0.5f * dst->height; ctx->viewport.scale[2] = 0.5f; ctx->viewport.scale[3] = 1.0f; ctx->viewport.translate[0] = 0.5f * dst->width; ctx->viewport.translate[1] = 0.5f * dst->height; ctx->viewport.translate[2] = 0.5f; ctx->viewport.translate[3] = 0.0f; cso_set_viewport(ctx->cso, &ctx->viewport); /* texture */ cso_set_sampler_views(ctx->cso, PIPE_SHADER_FRAGMENT, 1, &src_sampler_view); /* shaders */ set_fragment_shader(ctx, TGSI_WRITEMASK_XYZW, src_sampler_view->texture->target); set_vertex_shader(ctx); cso_set_geometry_shader_handle(ctx->cso, NULL); /* drawing dest */ memset(&fb, 0, sizeof(fb)); fb.width = dst->width; fb.height = dst->height; fb.nr_cbufs = 1; fb.cbufs[0] = dst; cso_set_framebuffer(ctx->cso, &fb); /* draw quad */ offset = setup_vertex_data_tex(ctx, src_sampler_view->texture->target, src_face, (float) dstX0 / dst->width * 2.0f - 1.0f, (float) dstY0 / dst->height * 2.0f - 1.0f, (float) dstX1 / dst->width * 2.0f - 1.0f, (float) dstY1 / dst->height * 2.0f - 1.0f, s0, t0, s1, t1, z); util_draw_vertex_buffer(ctx->pipe, ctx->cso, ctx->vbuf, cso_get_aux_vertex_buffer_slot(ctx->cso), offset, PIPE_PRIM_TRIANGLE_FAN, 4, /* verts */ 2); /* attribs/vert */ /* restore state we changed */ cso_restore_blend(ctx->cso); cso_restore_depth_stencil_alpha(ctx->cso); cso_restore_rasterizer(ctx->cso); cso_restore_sample_mask(ctx->cso); cso_restore_samplers(ctx->cso, PIPE_SHADER_FRAGMENT); cso_restore_sampler_views(ctx->cso, PIPE_SHADER_FRAGMENT); cso_restore_viewport(ctx->cso); cso_restore_framebuffer(ctx->cso); cso_restore_fragment_shader(ctx->cso); cso_restore_vertex_shader(ctx->cso); cso_restore_geometry_shader(ctx->cso); cso_restore_vertex_elements(ctx->cso); cso_restore_aux_vertex_buffer_slot(ctx->cso); cso_restore_stream_outputs(ctx->cso); }
/** * Copy pixel block from src sampler view to dst surface. * * The sampler view's first_level field indicates the source * mipmap level to use. * * The sampler view's first_layer indicate the layer to use, but for * cube maps it must point to the first face. Face is passed in src_face. * * The main advantage over util_blit_pixels is that it allows to specify * swizzles in pipe_sampler_view::swizzle_?. * * But there is no control over blitting Z and/or stencil. */ void util_blit_pixels_tex(struct blit_state *ctx, struct pipe_sampler_view *src_sampler_view, int srcX0, int srcY0, int srcX1, int srcY1, unsigned src_face, struct pipe_surface *dst, int dstX0, int dstY0, int dstX1, int dstY1, float z, enum pipe_tex_filter filter, boolean src_xrbias) { boolean normalized = src_sampler_view->texture->target != PIPE_TEXTURE_RECT; struct pipe_framebuffer_state fb; float s0, t0, s1, t1; unsigned offset; struct pipe_resource *tex = src_sampler_view->texture; assert(filter == PIPE_TEX_FILTER_NEAREST || filter == PIPE_TEX_FILTER_LINEAR); assert(tex); assert(tex->width0 != 0); assert(tex->height0 != 0); s0 = (float) srcX0; s1 = (float) srcX1; t0 = (float) srcY0; t1 = (float) srcY1; if (normalized) { /* normalize according to the mipmap level's size */ int level = src_sampler_view->u.tex.first_level; float w = (float) u_minify(tex->width0, level); float h = (float) u_minify(tex->height0, level); s0 /= w; s1 /= w; t0 /= h; t1 /= h; } assert(ctx->pipe->screen->is_format_supported(ctx->pipe->screen, dst->format, PIPE_TEXTURE_2D, dst->texture->nr_samples, PIPE_BIND_RENDER_TARGET)); /* save state (restored below) */ cso_save_state(ctx->cso, (CSO_BIT_BLEND | CSO_BIT_DEPTH_STENCIL_ALPHA | CSO_BIT_RASTERIZER | CSO_BIT_SAMPLE_MASK | CSO_BIT_MIN_SAMPLES | CSO_BIT_FRAGMENT_SAMPLERS | CSO_BIT_FRAGMENT_SAMPLER_VIEWS | CSO_BIT_STREAM_OUTPUTS | CSO_BIT_VIEWPORT | CSO_BIT_FRAMEBUFFER | CSO_BIT_PAUSE_QUERIES | CSO_BIT_FRAGMENT_SHADER | CSO_BIT_VERTEX_SHADER | CSO_BIT_TESSCTRL_SHADER | CSO_BIT_TESSEVAL_SHADER | CSO_BIT_GEOMETRY_SHADER | CSO_BIT_VERTEX_ELEMENTS | CSO_BIT_AUX_VERTEX_BUFFER_SLOT)); /* set misc state we care about */ cso_set_blend(ctx->cso, &ctx->blend_write_color); cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_keep_depthstencil); cso_set_sample_mask(ctx->cso, ~0); cso_set_min_samples(ctx->cso, 1); cso_set_rasterizer(ctx->cso, &ctx->rasterizer); cso_set_vertex_elements(ctx->cso, 2, ctx->velem); cso_set_stream_outputs(ctx->cso, 0, NULL, NULL); /* sampler */ ctx->sampler.normalized_coords = normalized; ctx->sampler.min_img_filter = filter; ctx->sampler.mag_img_filter = filter; { const struct pipe_sampler_state *samplers[] = {&ctx->sampler}; cso_set_samplers(ctx->cso, PIPE_SHADER_FRAGMENT, 1, samplers); } /* viewport */ ctx->viewport.scale[0] = 0.5f * dst->width; ctx->viewport.scale[1] = 0.5f * dst->height; ctx->viewport.scale[2] = 0.5f; ctx->viewport.translate[0] = 0.5f * dst->width; ctx->viewport.translate[1] = 0.5f * dst->height; ctx->viewport.translate[2] = 0.5f; cso_set_viewport(ctx->cso, &ctx->viewport); /* texture */ cso_set_sampler_views(ctx->cso, PIPE_SHADER_FRAGMENT, 1, &src_sampler_view); /* shaders */ set_fragment_shader(ctx, src_sampler_view->format, src_xrbias, src_sampler_view->texture->target); set_vertex_shader(ctx); cso_set_tessctrl_shader_handle(ctx->cso, NULL); cso_set_tesseval_shader_handle(ctx->cso, NULL); cso_set_geometry_shader_handle(ctx->cso, NULL); /* drawing dest */ memset(&fb, 0, sizeof(fb)); fb.width = dst->width; fb.height = dst->height; fb.nr_cbufs = 1; fb.cbufs[0] = dst; cso_set_framebuffer(ctx->cso, &fb); /* draw quad */ offset = setup_vertex_data_tex(ctx, src_sampler_view->texture->target, src_face, (float) dstX0 / dst->width * 2.0f - 1.0f, (float) dstY0 / dst->height * 2.0f - 1.0f, (float) dstX1 / dst->width * 2.0f - 1.0f, (float) dstY1 / dst->height * 2.0f - 1.0f, s0, t0, s1, t1, z); util_draw_vertex_buffer(ctx->pipe, ctx->cso, ctx->vbuf, cso_get_aux_vertex_buffer_slot(ctx->cso), offset, PIPE_PRIM_TRIANGLE_FAN, 4, /* verts */ 2); /* attribs/vert */ /* restore state we changed */ cso_restore_state(ctx->cso); }
void renderer_copy_texture(struct renderer *ctx, struct pipe_texture *src, VGfloat sx1, VGfloat sy1, VGfloat sx2, VGfloat sy2, struct pipe_texture *dst, VGfloat dx1, VGfloat dy1, VGfloat dx2, VGfloat dy2) { struct pipe_context *pipe = ctx->pipe; struct pipe_screen *screen = pipe->screen; struct pipe_buffer *buf; struct pipe_surface *dst_surf = screen->get_tex_surface( screen, dst, 0, 0, 0, PIPE_BUFFER_USAGE_GPU_WRITE); struct pipe_framebuffer_state fb; float s0, t0, s1, t1; assert(src->width0 != 0); assert(src->height0 != 0); assert(dst->width0 != 0); assert(dst->height0 != 0); #if 0 debug_printf("copy texture [%f, %f, %f, %f], [%f, %f, %f, %f]\n", sx1, sy1, sx2, sy2, dx1, dy1, dx2, dy2); #endif #if 1 s0 = sx1 / src->width0; s1 = sx2 / src->width0; t0 = sy1 / src->height0; t1 = sy2 / src->height0; #else s0 = 0; s1 = 1; t0 = 0; t1 = 1; #endif assert(screen->is_format_supported(screen, dst_surf->format, PIPE_TEXTURE_2D, PIPE_TEXTURE_USAGE_RENDER_TARGET, 0)); /* save state (restored below) */ cso_save_blend(ctx->cso); cso_save_samplers(ctx->cso); cso_save_sampler_textures(ctx->cso); cso_save_framebuffer(ctx->cso); cso_save_fragment_shader(ctx->cso); cso_save_vertex_shader(ctx->cso); cso_save_viewport(ctx->cso); /* set misc state we care about */ { 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(ctx->cso, &blend); } /* sampler */ { struct pipe_sampler_state sampler; 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_FILTER_NEAREST; sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST; sampler.normalized_coords = 1; cso_single_sampler(ctx->cso, 0, &sampler); cso_single_sampler_done(ctx->cso); } vg_set_viewport(ctx->owner, VEGA_Y0_TOP); /* texture */ cso_set_sampler_textures(ctx->cso, 1, &src); /* shaders */ cso_set_vertex_shader_handle(ctx->cso, vg_texture_vs(ctx->owner)); cso_set_fragment_shader_handle(ctx->cso, ctx->fs); /* drawing dest */ memset(&fb, 0, sizeof(fb)); fb.width = dst_surf->width; fb.height = dst_surf->height; fb.nr_cbufs = 1; fb.cbufs[0] = dst_surf; { VGint i; for (i = 1; i < PIPE_MAX_COLOR_BUFS; ++i) fb.cbufs[i] = 0; } cso_set_framebuffer(ctx->cso, &fb); /* draw quad */ buf = setup_vertex_data_tex(ctx, dx1, dy1, dx2, dy2, s0, t0, s1, t1, 0.0f); if (buf) { util_draw_vertex_buffer(ctx->pipe, buf, 0, PIPE_PRIM_TRIANGLE_FAN, 4, /* verts */ 2); /* attribs/vert */ pipe_buffer_reference( &buf, NULL ); } /* restore state we changed */ cso_restore_blend(ctx->cso); cso_restore_samplers(ctx->cso); cso_restore_sampler_textures(ctx->cso); cso_restore_framebuffer(ctx->cso); cso_restore_vertex_shader(ctx->cso); cso_restore_fragment_shader(ctx->cso); cso_restore_viewport(ctx->cso); pipe_surface_reference(&dst_surf, NULL); }
/** * Copy pixel block from src surface to dst surface. * Overlapping regions are acceptable. * Flipping and stretching are supported. * \param filter one of PIPE_TEX_MIPFILTER_NEAREST/LINEAR * \param writemask controls which channels in the dest surface are sourced * from the src surface. Disabled channels are sourced * from (0,0,0,1). */ void util_blit_pixels(struct blit_state *ctx, struct pipe_resource *src_tex, unsigned src_level, int srcX0, int srcY0, int srcX1, int srcY1, int srcZ0, struct pipe_surface *dst, int dstX0, int dstY0, int dstX1, int dstY1, float z, uint filter, uint writemask, uint zs_writemask) { struct pipe_context *pipe = ctx->pipe; struct pipe_screen *screen = pipe->screen; enum pipe_format src_format, dst_format; struct pipe_sampler_view *sampler_view = NULL; struct pipe_sampler_view sv_templ; struct pipe_surface *dst_surface; struct pipe_framebuffer_state fb; const int srcW = abs(srcX1 - srcX0); const int srcH = abs(srcY1 - srcY0); unsigned offset; boolean overlap; float s0, t0, s1, t1; boolean normalized; boolean is_stencil, is_depth, blit_depth, blit_stencil; const struct util_format_description *src_desc = util_format_description(src_tex->format); assert(filter == PIPE_TEX_MIPFILTER_NEAREST || filter == PIPE_TEX_MIPFILTER_LINEAR); assert(src_level <= src_tex->last_level); /* do the regions overlap? */ overlap = src_tex == dst->texture && dst->u.tex.level == src_level && dst->u.tex.first_layer == srcZ0 && regions_overlap(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1); src_format = util_format_linear(src_tex->format); dst_format = util_format_linear(dst->texture->format); /* See whether we will blit depth or stencil. */ is_depth = util_format_has_depth(src_desc); is_stencil = util_format_has_stencil(src_desc); blit_depth = is_depth && (zs_writemask & BLIT_WRITEMASK_Z); blit_stencil = is_stencil && (zs_writemask & BLIT_WRITEMASK_STENCIL); assert((writemask && !zs_writemask && !is_depth && !is_stencil) || (!writemask && (blit_depth || blit_stencil))); /* * Check for simple case: no format conversion, no flipping, no stretching, * no overlapping, same number of samples. * Filter mode should not matter since there's no stretching. */ if (formats_compatible(src_format, dst_format) && src_tex->nr_samples == dst->texture->nr_samples && is_stencil == blit_stencil && is_depth == blit_depth && srcX0 < srcX1 && dstX0 < dstX1 && srcY0 < srcY1 && dstY0 < dstY1 && (dstX1 - dstX0) == (srcX1 - srcX0) && (dstY1 - dstY0) == (srcY1 - srcY0) && !overlap) { struct pipe_box src_box; src_box.x = srcX0; src_box.y = srcY0; src_box.z = srcZ0; src_box.width = srcW; src_box.height = srcH; src_box.depth = 1; pipe->resource_copy_region(pipe, dst->texture, dst->u.tex.level, dstX0, dstY0, dst->u.tex.first_layer,/* dest */ src_tex, src_level, &src_box); return; } /* XXX Reading multisample textures is unimplemented. */ assert(src_tex->nr_samples <= 1); if (src_tex->nr_samples > 1) { return; } /* It's a mistake to call this function with a stencil format and * without shader stencil export. We don't do software fallbacks here. * Ignore stencil and only copy depth. */ if (blit_stencil && !ctx->has_stencil_export) { blit_stencil = FALSE; if (!blit_depth) return; } if (dst_format == dst->format) { dst_surface = dst; } else { struct pipe_surface templ = *dst; templ.format = dst_format; dst_surface = pipe->create_surface(pipe, dst->texture, &templ); } /* Create a temporary texture when src and dest alias. */ if (src_tex == dst_surface->texture && dst_surface->u.tex.level == src_level && dst_surface->u.tex.first_layer == srcZ0) { /* Make a temporary texture which contains a copy of the source pixels. * Then we'll sample from the temporary texture. */ struct pipe_resource texTemp; struct pipe_resource *tex; struct pipe_sampler_view sv_templ; struct pipe_box src_box; const int srcLeft = MIN2(srcX0, srcX1); const int srcTop = MIN2(srcY0, srcY1); if (srcLeft != srcX0) { /* left-right flip */ int tmp = dstX0; dstX0 = dstX1; dstX1 = tmp; } if (srcTop != srcY0) { /* up-down flip */ int tmp = dstY0; dstY0 = dstY1; dstY1 = tmp; } /* create temp texture */ memset(&texTemp, 0, sizeof(texTemp)); texTemp.target = ctx->internal_target; texTemp.format = src_format; texTemp.last_level = 0; texTemp.width0 = srcW; texTemp.height0 = srcH; texTemp.depth0 = 1; texTemp.array_size = 1; texTemp.bind = PIPE_BIND_SAMPLER_VIEW; tex = screen->resource_create(screen, &texTemp); if (!tex) return; src_box.x = srcLeft; src_box.y = srcTop; src_box.z = srcZ0; src_box.width = srcW; src_box.height = srcH; src_box.depth = 1; /* load temp texture */ pipe->resource_copy_region(pipe, tex, 0, 0, 0, 0, /* dest */ src_tex, src_level, &src_box); normalized = tex->target != PIPE_TEXTURE_RECT; if(normalized) { s0 = 0.0f; s1 = 1.0f; t0 = 0.0f; t1 = 1.0f; } else { s0 = 0; s1 = srcW; t0 = 0; t1 = srcH; } u_sampler_view_default_template(&sv_templ, tex, tex->format); if (!blit_depth && blit_stencil) { /* set a stencil-only format, e.g. Z24S8 --> X24S8 */ sv_templ.format = util_format_stencil_only(tex->format); assert(sv_templ.format != PIPE_FORMAT_NONE); } sampler_view = pipe->create_sampler_view(pipe, tex, &sv_templ); if (!sampler_view) { pipe_resource_reference(&tex, NULL); return; } pipe_resource_reference(&tex, NULL); } else { /* Directly sample from the source resource/texture */ u_sampler_view_default_template(&sv_templ, src_tex, src_format); if (!blit_depth && blit_stencil) { /* set a stencil-only format, e.g. Z24S8 --> X24S8 */ sv_templ.format = util_format_stencil_only(src_format); assert(sv_templ.format != PIPE_FORMAT_NONE); } sampler_view = pipe->create_sampler_view(pipe, src_tex, &sv_templ); if (!sampler_view) { return; } s0 = srcX0; s1 = srcX1; t0 = srcY0; t1 = srcY1; normalized = sampler_view->texture->target != PIPE_TEXTURE_RECT; if(normalized) { s0 /= (float)(u_minify(sampler_view->texture->width0, src_level)); s1 /= (float)(u_minify(sampler_view->texture->width0, src_level)); t0 /= (float)(u_minify(sampler_view->texture->height0, src_level)); t1 /= (float)(u_minify(sampler_view->texture->height0, src_level)); } } assert(screen->is_format_supported(screen, sampler_view->format, ctx->internal_target, sampler_view->texture->nr_samples, PIPE_BIND_SAMPLER_VIEW)); assert(screen->is_format_supported(screen, dst_format, ctx->internal_target, dst_surface->texture->nr_samples, is_depth || is_stencil ? PIPE_BIND_DEPTH_STENCIL : PIPE_BIND_RENDER_TARGET)); /* save state (restored below) */ cso_save_blend(ctx->cso); cso_save_depth_stencil_alpha(ctx->cso); cso_save_rasterizer(ctx->cso); cso_save_sample_mask(ctx->cso); cso_save_samplers(ctx->cso, PIPE_SHADER_FRAGMENT); cso_save_sampler_views(ctx->cso, PIPE_SHADER_FRAGMENT); cso_save_stream_outputs(ctx->cso); cso_save_viewport(ctx->cso); cso_save_framebuffer(ctx->cso); cso_save_fragment_shader(ctx->cso); cso_save_vertex_shader(ctx->cso); cso_save_geometry_shader(ctx->cso); cso_save_vertex_elements(ctx->cso); cso_save_aux_vertex_buffer_slot(ctx->cso); cso_save_render_condition(ctx->cso); /* set misc state we care about */ if (writemask) cso_set_blend(ctx->cso, &ctx->blend_write_color); else cso_set_blend(ctx->cso, &ctx->blend_keep_color); cso_set_sample_mask(ctx->cso, ~0); cso_set_rasterizer(ctx->cso, &ctx->rasterizer); cso_set_vertex_elements(ctx->cso, 2, ctx->velem); cso_set_stream_outputs(ctx->cso, 0, NULL, 0); cso_set_render_condition(ctx->cso, NULL, 0); /* default sampler state */ ctx->sampler.normalized_coords = normalized; ctx->sampler.min_img_filter = filter; ctx->sampler.mag_img_filter = filter; ctx->sampler.min_lod = src_level; ctx->sampler.max_lod = src_level; /* Depth stencil state, fragment shader and sampler setup depending on what * we blit. */ if (blit_depth && blit_stencil) { cso_single_sampler(ctx->cso, PIPE_SHADER_FRAGMENT, 0, &ctx->sampler); /* don't filter stencil */ ctx->sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST; ctx->sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST; cso_single_sampler(ctx->cso, PIPE_SHADER_FRAGMENT, 1, &ctx->sampler); cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_write_depthstencil); set_depthstencil_fragment_shader(ctx, sampler_view->texture->target); } else if (blit_depth) { cso_single_sampler(ctx->cso, PIPE_SHADER_FRAGMENT, 0, &ctx->sampler); cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_write_depth); set_depth_fragment_shader(ctx, sampler_view->texture->target); } else if (blit_stencil) { /* don't filter stencil */ ctx->sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST; ctx->sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST; cso_single_sampler(ctx->cso, PIPE_SHADER_FRAGMENT, 0, &ctx->sampler); cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_write_stencil); set_stencil_fragment_shader(ctx, sampler_view->texture->target); } else { /* color */ cso_single_sampler(ctx->cso, PIPE_SHADER_FRAGMENT, 0, &ctx->sampler); cso_set_depth_stencil_alpha(ctx->cso, &ctx->dsa_keep_depthstencil); set_fragment_shader(ctx, writemask, sampler_view->texture->target); } cso_single_sampler_done(ctx->cso, PIPE_SHADER_FRAGMENT); /* textures */ if (blit_depth && blit_stencil) { /* Setup two samplers, one for depth and the other one for stencil. */ struct pipe_sampler_view templ; struct pipe_sampler_view *views[2]; templ = *sampler_view; templ.format = util_format_stencil_only(templ.format); assert(templ.format != PIPE_FORMAT_NONE); views[0] = sampler_view; views[1] = pipe->create_sampler_view(pipe, views[0]->texture, &templ); cso_set_sampler_views(ctx->cso, PIPE_SHADER_FRAGMENT, 2, views); pipe_sampler_view_reference(&views[1], NULL); } else { cso_set_sampler_views(ctx->cso, PIPE_SHADER_FRAGMENT, 1, &sampler_view); } /* viewport */ ctx->viewport.scale[0] = 0.5f * dst_surface->width; ctx->viewport.scale[1] = 0.5f * dst_surface->height; ctx->viewport.scale[2] = 0.5f; ctx->viewport.scale[3] = 1.0f; ctx->viewport.translate[0] = 0.5f * dst_surface->width; ctx->viewport.translate[1] = 0.5f * dst_surface->height; ctx->viewport.translate[2] = 0.5f; ctx->viewport.translate[3] = 0.0f; cso_set_viewport(ctx->cso, &ctx->viewport); set_vertex_shader(ctx); cso_set_geometry_shader_handle(ctx->cso, NULL); /* drawing dest */ memset(&fb, 0, sizeof(fb)); fb.width = dst_surface->width; fb.height = dst_surface->height; if (blit_depth || blit_stencil) { fb.zsbuf = dst_surface; } else { fb.nr_cbufs = 1; fb.cbufs[0] = dst_surface; } cso_set_framebuffer(ctx->cso, &fb); /* draw quad */ offset = setup_vertex_data_tex(ctx, (float) dstX0 / dst_surface->width * 2.0f - 1.0f, (float) dstY0 / dst_surface->height * 2.0f - 1.0f, (float) dstX1 / dst_surface->width * 2.0f - 1.0f, (float) dstY1 / dst_surface->height * 2.0f - 1.0f, s0, t0, s1, t1, z); if (ctx->vbuf) { util_draw_vertex_buffer(ctx->pipe, ctx->cso, ctx->vbuf, cso_get_aux_vertex_buffer_slot(ctx->cso), offset, PIPE_PRIM_TRIANGLE_FAN, 4, /* verts */ 2); /* attribs/vert */ } /* restore state we changed */ cso_restore_blend(ctx->cso); cso_restore_depth_stencil_alpha(ctx->cso); cso_restore_rasterizer(ctx->cso); cso_restore_sample_mask(ctx->cso); cso_restore_samplers(ctx->cso, PIPE_SHADER_FRAGMENT); cso_restore_sampler_views(ctx->cso, PIPE_SHADER_FRAGMENT); cso_restore_viewport(ctx->cso); cso_restore_framebuffer(ctx->cso); cso_restore_fragment_shader(ctx->cso); cso_restore_vertex_shader(ctx->cso); cso_restore_geometry_shader(ctx->cso); cso_restore_vertex_elements(ctx->cso); cso_restore_aux_vertex_buffer_slot(ctx->cso); cso_restore_stream_outputs(ctx->cso); cso_restore_render_condition(ctx->cso); pipe_sampler_view_reference(&sampler_view, NULL); if (dst_surface != dst) pipe_surface_reference(&dst_surface, NULL); }