| /************************************************************************** |
| * |
| * Copyright 2009 Marek Olšák <maraeo@gmail.com> |
| * |
| * 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. |
| * |
| **************************************************************************/ |
| |
| /** |
| * @file |
| * Blitter utility to facilitate acceleration of the clear, clear_render_target, |
| * clear_depth_stencil, and resource_copy_region functions. |
| * |
| * @author Marek Olšák |
| */ |
| |
| #include "pipe/p_context.h" |
| #include "pipe/p_defines.h" |
| #include "util/u_inlines.h" |
| #include "pipe/p_shader_tokens.h" |
| #include "pipe/p_state.h" |
| |
| #include "util/u_format.h" |
| #include "util/u_memory.h" |
| #include "util/u_math.h" |
| #include "util/u_blitter.h" |
| #include "util/u_draw_quad.h" |
| #include "util/u_sampler.h" |
| #include "util/u_simple_shaders.h" |
| #include "util/u_surface.h" |
| #include "util/u_texture.h" |
| #include "util/u_upload_mgr.h" |
| |
| #define INVALID_PTR ((void*)~0) |
| |
| struct blitter_context_priv |
| { |
| struct blitter_context base; |
| |
| struct u_upload_mgr *upload; |
| |
| float vertices[4][2][4]; /**< {pos, color} or {pos, texcoord} */ |
| |
| /* Templates for various state objects. */ |
| |
| /* Constant state objects. */ |
| /* Vertex shaders. */ |
| void *vs; /**< Vertex shader which passes {pos, generic} to the output.*/ |
| void *vs_pos_only; /**< Vertex shader which passes pos to the output.*/ |
| |
| /* Fragment shaders. */ |
| /* The shader at index i outputs color to color buffers 0,1,...,i-1. */ |
| void *fs_col[PIPE_MAX_COLOR_BUFS+1]; |
| void *fs_col_int[PIPE_MAX_COLOR_BUFS+1]; |
| |
| /* FS which outputs a color from a texture, |
| where the index is PIPE_TEXTURE_* to be sampled. */ |
| void *fs_texfetch_col[PIPE_MAX_TEXTURE_TYPES]; |
| |
| /* FS which outputs a depth from a texture, |
| where the index is PIPE_TEXTURE_* to be sampled. */ |
| void *fs_texfetch_depth[PIPE_MAX_TEXTURE_TYPES]; |
| void *fs_texfetch_depthstencil[PIPE_MAX_TEXTURE_TYPES]; |
| void *fs_texfetch_stencil[PIPE_MAX_TEXTURE_TYPES]; |
| |
| /* FS which outputs one sample from a multisample texture. */ |
| void *fs_texfetch_col_msaa[PIPE_MAX_TEXTURE_TYPES]; |
| void *fs_texfetch_depth_msaa[PIPE_MAX_TEXTURE_TYPES]; |
| void *fs_texfetch_depthstencil_msaa[PIPE_MAX_TEXTURE_TYPES]; |
| void *fs_texfetch_stencil_msaa[PIPE_MAX_TEXTURE_TYPES]; |
| |
| /* Blend state. */ |
| void *blend_write_color; /**< blend state with writemask of RGBA */ |
| void *blend_keep_color; /**< blend state with writemask of 0 */ |
| |
| /* Depth stencil alpha state. */ |
| void *dsa_write_depth_stencil; |
| void *dsa_write_depth_keep_stencil; |
| void *dsa_keep_depth_stencil; |
| void *dsa_keep_depth_write_stencil; |
| |
| /* Vertex elements states. */ |
| void *velem_state; |
| void *velem_uint_state; |
| void *velem_sint_state; |
| void *velem_state_readbuf; |
| |
| /* Sampler state. */ |
| void *sampler_state; |
| |
| /* Rasterizer state. */ |
| void *rs_state; |
| void *rs_discard_state; |
| |
| /* Viewport state. */ |
| struct pipe_viewport_state viewport; |
| |
| /* Destination surface dimensions. */ |
| unsigned dst_width; |
| unsigned dst_height; |
| |
| boolean has_geometry_shader; |
| boolean vertex_has_integers; |
| boolean has_stream_out; |
| boolean has_stencil_export; |
| }; |
| |
| |
| struct blitter_context *util_blitter_create(struct pipe_context *pipe) |
| { |
| struct blitter_context_priv *ctx; |
| struct pipe_blend_state blend; |
| struct pipe_depth_stencil_alpha_state dsa; |
| struct pipe_rasterizer_state rs_state; |
| struct pipe_sampler_state sampler_state; |
| struct pipe_vertex_element velem[2]; |
| unsigned i; |
| |
| ctx = CALLOC_STRUCT(blitter_context_priv); |
| if (!ctx) |
| return NULL; |
| |
| ctx->base.pipe = pipe; |
| ctx->base.draw_rectangle = util_blitter_draw_rectangle; |
| |
| /* init state objects for them to be considered invalid */ |
| ctx->base.saved_blend_state = INVALID_PTR; |
| ctx->base.saved_dsa_state = INVALID_PTR; |
| ctx->base.saved_rs_state = INVALID_PTR; |
| ctx->base.saved_fs = INVALID_PTR; |
| ctx->base.saved_vs = INVALID_PTR; |
| ctx->base.saved_gs = INVALID_PTR; |
| ctx->base.saved_velem_state = INVALID_PTR; |
| ctx->base.saved_fb_state.nr_cbufs = ~0; |
| ctx->base.saved_num_sampler_views = ~0; |
| ctx->base.saved_num_sampler_states = ~0; |
| ctx->base.saved_num_vertex_buffers = ~0; |
| ctx->base.saved_num_so_targets = ~0; |
| |
| ctx->has_geometry_shader = |
| pipe->screen->get_shader_param(pipe->screen, PIPE_SHADER_GEOMETRY, |
| PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0; |
| ctx->vertex_has_integers = |
| pipe->screen->get_shader_param(pipe->screen, PIPE_SHADER_VERTEX, |
| PIPE_SHADER_CAP_INTEGERS); |
| ctx->has_stream_out = |
| pipe->screen->get_param(pipe->screen, |
| PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS) != 0; |
| |
| ctx->has_stencil_export = |
| pipe->screen->get_param(pipe->screen, |
| PIPE_CAP_SHADER_STENCIL_EXPORT); |
| |
| /* blend state objects */ |
| memset(&blend, 0, sizeof(blend)); |
| ctx->blend_keep_color = pipe->create_blend_state(pipe, &blend); |
| |
| blend.rt[0].colormask = PIPE_MASK_RGBA; |
| ctx->blend_write_color = pipe->create_blend_state(pipe, &blend); |
| |
| /* depth stencil alpha state objects */ |
| memset(&dsa, 0, sizeof(dsa)); |
| ctx->dsa_keep_depth_stencil = |
| pipe->create_depth_stencil_alpha_state(pipe, &dsa); |
| |
| dsa.depth.enabled = 1; |
| dsa.depth.writemask = 1; |
| dsa.depth.func = PIPE_FUNC_ALWAYS; |
| ctx->dsa_write_depth_keep_stencil = |
| pipe->create_depth_stencil_alpha_state(pipe, &dsa); |
| |
| dsa.stencil[0].enabled = 1; |
| dsa.stencil[0].func = PIPE_FUNC_ALWAYS; |
| dsa.stencil[0].fail_op = PIPE_STENCIL_OP_REPLACE; |
| dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE; |
| dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_REPLACE; |
| dsa.stencil[0].valuemask = 0xff; |
| dsa.stencil[0].writemask = 0xff; |
| ctx->dsa_write_depth_stencil = |
| pipe->create_depth_stencil_alpha_state(pipe, &dsa); |
| |
| dsa.depth.enabled = 0; |
| dsa.depth.writemask = 0; |
| ctx->dsa_keep_depth_write_stencil = |
| pipe->create_depth_stencil_alpha_state(pipe, &dsa); |
| |
| /* sampler state */ |
| memset(&sampler_state, 0, sizeof(sampler_state)); |
| sampler_state.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; |
| sampler_state.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; |
| sampler_state.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE; |
| sampler_state.normalized_coords = 1; |
| ctx->sampler_state = pipe->create_sampler_state(pipe, &sampler_state); |
| |
| /* rasterizer state */ |
| memset(&rs_state, 0, sizeof(rs_state)); |
| rs_state.cull_face = PIPE_FACE_NONE; |
| rs_state.gl_rasterization_rules = 1; |
| rs_state.flatshade = 1; |
| rs_state.depth_clip = 1; |
| ctx->rs_state = pipe->create_rasterizer_state(pipe, &rs_state); |
| |
| if (ctx->has_stream_out) { |
| rs_state.rasterizer_discard = 1; |
| ctx->rs_discard_state = pipe->create_rasterizer_state(pipe, &rs_state); |
| } |
| |
| /* vertex elements states */ |
| memset(&velem[0], 0, sizeof(velem[0]) * 2); |
| for (i = 0; i < 2; i++) { |
| velem[i].src_offset = i * 4 * sizeof(float); |
| velem[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; |
| } |
| ctx->velem_state = pipe->create_vertex_elements_state(pipe, 2, &velem[0]); |
| |
| if (ctx->vertex_has_integers) { |
| memset(&velem[0], 0, sizeof(velem[0]) * 2); |
| velem[0].src_offset = 0; |
| velem[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; |
| velem[1].src_offset = 4 * sizeof(float); |
| velem[1].src_format = PIPE_FORMAT_R32G32B32A32_SINT; |
| ctx->velem_sint_state = pipe->create_vertex_elements_state(pipe, 2, &velem[0]); |
| |
| memset(&velem[0], 0, sizeof(velem[0]) * 2); |
| velem[0].src_offset = 0; |
| velem[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; |
| velem[1].src_offset = 4 * sizeof(float); |
| velem[1].src_format = PIPE_FORMAT_R32G32B32A32_UINT; |
| ctx->velem_uint_state = pipe->create_vertex_elements_state(pipe, 2, &velem[0]); |
| } |
| |
| if (ctx->has_stream_out) { |
| velem[0].src_format = PIPE_FORMAT_R32_UINT; |
| ctx->velem_state_readbuf = pipe->create_vertex_elements_state(pipe, 1, &velem[0]); |
| } |
| |
| /* fragment shaders are created on-demand */ |
| |
| /* vertex shaders */ |
| { |
| const uint semantic_names[] = { TGSI_SEMANTIC_POSITION, |
| TGSI_SEMANTIC_GENERIC }; |
| const uint semantic_indices[] = { 0, 0 }; |
| ctx->vs = |
| util_make_vertex_passthrough_shader(pipe, 2, semantic_names, |
| semantic_indices); |
| } |
| if (ctx->has_stream_out) { |
| struct pipe_stream_output_info so; |
| const uint semantic_names[] = { TGSI_SEMANTIC_POSITION }; |
| const uint semantic_indices[] = { 0 }; |
| |
| memset(&so, 0, sizeof(so)); |
| so.num_outputs = 1; |
| so.output[0].num_components = 1; |
| so.stride[0] = 1; |
| |
| ctx->vs_pos_only = |
| util_make_vertex_passthrough_shader_with_so(pipe, 1, semantic_names, |
| semantic_indices, &so); |
| } |
| |
| /* set invariant vertex coordinates */ |
| for (i = 0; i < 4; i++) |
| ctx->vertices[i][0][3] = 1; /*v.w*/ |
| |
| ctx->upload = u_upload_create(pipe, 65536, 4, PIPE_BIND_VERTEX_BUFFER); |
| |
| return &ctx->base; |
| } |
| |
| void util_blitter_destroy(struct blitter_context *blitter) |
| { |
| struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
| struct pipe_context *pipe = blitter->pipe; |
| int i; |
| |
| pipe->delete_blend_state(pipe, ctx->blend_write_color); |
| pipe->delete_blend_state(pipe, ctx->blend_keep_color); |
| pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); |
| pipe->delete_depth_stencil_alpha_state(pipe, |
| ctx->dsa_write_depth_keep_stencil); |
| pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil); |
| pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil); |
| |
| pipe->delete_rasterizer_state(pipe, ctx->rs_state); |
| if (ctx->rs_discard_state) |
| pipe->delete_rasterizer_state(pipe, ctx->rs_discard_state); |
| pipe->delete_vs_state(pipe, ctx->vs); |
| if (ctx->vs_pos_only) |
| pipe->delete_vs_state(pipe, ctx->vs_pos_only); |
| pipe->delete_vertex_elements_state(pipe, ctx->velem_state); |
| if (ctx->vertex_has_integers) { |
| pipe->delete_vertex_elements_state(pipe, ctx->velem_sint_state); |
| pipe->delete_vertex_elements_state(pipe, ctx->velem_uint_state); |
| } |
| if (ctx->velem_state_readbuf) |
| pipe->delete_vertex_elements_state(pipe, ctx->velem_state_readbuf); |
| |
| for (i = 0; i < PIPE_MAX_TEXTURE_TYPES; i++) { |
| if (ctx->fs_texfetch_col[i]) |
| pipe->delete_fs_state(pipe, ctx->fs_texfetch_col[i]); |
| if (ctx->fs_texfetch_depth[i]) |
| pipe->delete_fs_state(pipe, ctx->fs_texfetch_depth[i]); |
| if (ctx->fs_texfetch_depthstencil[i]) |
| pipe->delete_fs_state(pipe, ctx->fs_texfetch_depthstencil[i]); |
| if (ctx->fs_texfetch_stencil[i]) |
| pipe->delete_fs_state(pipe, ctx->fs_texfetch_stencil[i]); |
| } |
| |
| for (i = 0; i <= PIPE_MAX_COLOR_BUFS; i++) { |
| if (ctx->fs_col[i]) |
| pipe->delete_fs_state(pipe, ctx->fs_col[i]); |
| if (ctx->fs_col_int[i]) |
| pipe->delete_fs_state(pipe, ctx->fs_col_int[i]); |
| } |
| |
| pipe->delete_sampler_state(pipe, ctx->sampler_state); |
| u_upload_destroy(ctx->upload); |
| FREE(ctx); |
| } |
| |
| static void blitter_set_running_flag(struct blitter_context_priv *ctx) |
| { |
| if (ctx->base.running) { |
| _debug_printf("u_blitter:%i: Caught recursion. This is a driver bug.\n", |
| __LINE__); |
| } |
| ctx->base.running = TRUE; |
| } |
| |
| static void blitter_unset_running_flag(struct blitter_context_priv *ctx) |
| { |
| if (!ctx->base.running) { |
| _debug_printf("u_blitter:%i: Caught recursion. This is a driver bug.\n", |
| __LINE__); |
| } |
| ctx->base.running = FALSE; |
| } |
| |
| static void blitter_check_saved_vertex_states(struct blitter_context_priv *ctx) |
| { |
| assert(ctx->base.saved_num_vertex_buffers != ~0); |
| assert(ctx->base.saved_velem_state != INVALID_PTR); |
| assert(ctx->base.saved_vs != INVALID_PTR); |
| assert(!ctx->has_geometry_shader || ctx->base.saved_gs != INVALID_PTR); |
| assert(!ctx->has_stream_out || ctx->base.saved_num_so_targets != ~0); |
| assert(ctx->base.saved_rs_state != INVALID_PTR); |
| } |
| |
| static void blitter_restore_vertex_states(struct blitter_context_priv *ctx) |
| { |
| struct pipe_context *pipe = ctx->base.pipe; |
| unsigned i; |
| |
| /* Vertex buffers. */ |
| pipe->set_vertex_buffers(pipe, |
| ctx->base.saved_num_vertex_buffers, |
| ctx->base.saved_vertex_buffers); |
| |
| for (i = 0; i < ctx->base.saved_num_vertex_buffers; i++) { |
| if (ctx->base.saved_vertex_buffers[i].buffer) { |
| pipe_resource_reference(&ctx->base.saved_vertex_buffers[i].buffer, |
| NULL); |
| } |
| } |
| ctx->base.saved_num_vertex_buffers = ~0; |
| |
| /* Vertex elements. */ |
| pipe->bind_vertex_elements_state(pipe, ctx->base.saved_velem_state); |
| ctx->base.saved_velem_state = INVALID_PTR; |
| |
| /* Vertex shader. */ |
| pipe->bind_vs_state(pipe, ctx->base.saved_vs); |
| ctx->base.saved_vs = INVALID_PTR; |
| |
| /* Geometry shader. */ |
| if (ctx->has_geometry_shader) { |
| pipe->bind_gs_state(pipe, ctx->base.saved_gs); |
| ctx->base.saved_gs = INVALID_PTR; |
| } |
| |
| /* Stream outputs. */ |
| if (ctx->has_stream_out) { |
| pipe->set_stream_output_targets(pipe, |
| ctx->base.saved_num_so_targets, |
| ctx->base.saved_so_targets, ~0); |
| |
| for (i = 0; i < ctx->base.saved_num_so_targets; i++) |
| pipe_so_target_reference(&ctx->base.saved_so_targets[i], NULL); |
| |
| ctx->base.saved_num_so_targets = ~0; |
| } |
| |
| /* Rasterizer. */ |
| pipe->bind_rasterizer_state(pipe, ctx->base.saved_rs_state); |
| ctx->base.saved_rs_state = INVALID_PTR; |
| } |
| |
| static void blitter_check_saved_fragment_states(struct blitter_context_priv *ctx) |
| { |
| assert(ctx->base.saved_fs != INVALID_PTR); |
| assert(ctx->base.saved_dsa_state != INVALID_PTR); |
| assert(ctx->base.saved_blend_state != INVALID_PTR); |
| } |
| |
| static void blitter_restore_fragment_states(struct blitter_context_priv *ctx) |
| { |
| struct pipe_context *pipe = ctx->base.pipe; |
| |
| /* Fragment shader. */ |
| pipe->bind_fs_state(pipe, ctx->base.saved_fs); |
| ctx->base.saved_fs = INVALID_PTR; |
| |
| /* Depth, stencil, alpha. */ |
| pipe->bind_depth_stencil_alpha_state(pipe, ctx->base.saved_dsa_state); |
| ctx->base.saved_dsa_state = INVALID_PTR; |
| |
| /* Blend state. */ |
| pipe->bind_blend_state(pipe, ctx->base.saved_blend_state); |
| ctx->base.saved_blend_state = INVALID_PTR; |
| |
| /* Sample mask. */ |
| if (ctx->base.is_sample_mask_saved) { |
| pipe->set_sample_mask(pipe, ctx->base.saved_sample_mask); |
| ctx->base.is_sample_mask_saved = FALSE; |
| } |
| |
| /* Miscellaneous states. */ |
| /* XXX check whether these are saved and whether they need to be restored |
| * (depending on the operation) */ |
| pipe->set_stencil_ref(pipe, &ctx->base.saved_stencil_ref); |
| pipe->set_viewport_state(pipe, &ctx->base.saved_viewport); |
| } |
| |
| static void blitter_check_saved_fb_state(struct blitter_context_priv *ctx) |
| { |
| assert(ctx->base.saved_fb_state.nr_cbufs != ~0); |
| } |
| |
| static void blitter_restore_fb_state(struct blitter_context_priv *ctx) |
| { |
| struct pipe_context *pipe = ctx->base.pipe; |
| |
| pipe->set_framebuffer_state(pipe, &ctx->base.saved_fb_state); |
| util_unreference_framebuffer_state(&ctx->base.saved_fb_state); |
| } |
| |
| static void blitter_check_saved_textures(struct blitter_context_priv *ctx) |
| { |
| assert(ctx->base.saved_num_sampler_states != ~0); |
| assert(ctx->base.saved_num_sampler_views != ~0); |
| } |
| |
| static void blitter_restore_textures(struct blitter_context_priv *ctx) |
| { |
| struct pipe_context *pipe = ctx->base.pipe; |
| unsigned i; |
| |
| /* Fragment sampler states. */ |
| pipe->bind_fragment_sampler_states(pipe, |
| ctx->base.saved_num_sampler_states, |
| ctx->base.saved_sampler_states); |
| ctx->base.saved_num_sampler_states = ~0; |
| |
| /* Fragment sampler views. */ |
| pipe->set_fragment_sampler_views(pipe, |
| ctx->base.saved_num_sampler_views, |
| ctx->base.saved_sampler_views); |
| |
| for (i = 0; i < ctx->base.saved_num_sampler_views; i++) |
| pipe_sampler_view_reference(&ctx->base.saved_sampler_views[i], NULL); |
| |
| ctx->base.saved_num_sampler_views = ~0; |
| } |
| |
| static void blitter_set_rectangle(struct blitter_context_priv *ctx, |
| unsigned x1, unsigned y1, |
| unsigned x2, unsigned y2, |
| float depth) |
| { |
| int i; |
| |
| /* set vertex positions */ |
| ctx->vertices[0][0][0] = (float)x1 / ctx->dst_width * 2.0f - 1.0f; /*v0.x*/ |
| ctx->vertices[0][0][1] = (float)y1 / ctx->dst_height * 2.0f - 1.0f; /*v0.y*/ |
| |
| ctx->vertices[1][0][0] = (float)x2 / ctx->dst_width * 2.0f - 1.0f; /*v1.x*/ |
| ctx->vertices[1][0][1] = (float)y1 / ctx->dst_height * 2.0f - 1.0f; /*v1.y*/ |
| |
| ctx->vertices[2][0][0] = (float)x2 / ctx->dst_width * 2.0f - 1.0f; /*v2.x*/ |
| ctx->vertices[2][0][1] = (float)y2 / ctx->dst_height * 2.0f - 1.0f; /*v2.y*/ |
| |
| ctx->vertices[3][0][0] = (float)x1 / ctx->dst_width * 2.0f - 1.0f; /*v3.x*/ |
| ctx->vertices[3][0][1] = (float)y2 / ctx->dst_height * 2.0f - 1.0f; /*v3.y*/ |
| |
| for (i = 0; i < 4; i++) |
| ctx->vertices[i][0][2] = depth; /*z*/ |
| |
| /* viewport */ |
| ctx->viewport.scale[0] = 0.5f * ctx->dst_width; |
| ctx->viewport.scale[1] = 0.5f * ctx->dst_height; |
| ctx->viewport.scale[2] = 1.0f; |
| ctx->viewport.scale[3] = 1.0f; |
| ctx->viewport.translate[0] = 0.5f * ctx->dst_width; |
| ctx->viewport.translate[1] = 0.5f * ctx->dst_height; |
| ctx->viewport.translate[2] = 0.0f; |
| ctx->viewport.translate[3] = 0.0f; |
| ctx->base.pipe->set_viewport_state(ctx->base.pipe, &ctx->viewport); |
| } |
| |
| static void blitter_set_clear_color(struct blitter_context_priv *ctx, |
| const union pipe_color_union *color) |
| { |
| int i; |
| |
| if (color) { |
| for (i = 0; i < 4; i++) { |
| uint32_t *uiverts = (uint32_t *)ctx->vertices[i][1]; |
| uiverts[0] = color->ui[0]; |
| uiverts[1] = color->ui[1]; |
| uiverts[2] = color->ui[2]; |
| uiverts[3] = color->ui[3]; |
| } |
| } else { |
| for (i = 0; i < 4; i++) { |
| ctx->vertices[i][1][0] = 0; |
| ctx->vertices[i][1][1] = 0; |
| ctx->vertices[i][1][2] = 0; |
| ctx->vertices[i][1][3] = 0; |
| } |
| } |
| } |
| |
| static void get_texcoords(struct pipe_sampler_view *src, |
| unsigned src_width0, unsigned src_height0, |
| unsigned x1, unsigned y1, |
| unsigned x2, unsigned y2, |
| float out[4]) |
| { |
| struct pipe_resource *tex = src->texture; |
| unsigned level = src->u.tex.first_level; |
| boolean normalized = tex->target != PIPE_TEXTURE_RECT && |
| tex->nr_samples <= 1; |
| |
| if (normalized) { |
| out[0] = x1 / (float)u_minify(src_width0, level); |
| out[1] = y1 / (float)u_minify(src_height0, level); |
| out[2] = x2 / (float)u_minify(src_width0, level); |
| out[3] = y2 / (float)u_minify(src_height0, level); |
| } else { |
| out[0] = x1; |
| out[1] = y1; |
| out[2] = x2; |
| out[3] = y2; |
| } |
| } |
| |
| static void set_texcoords_in_vertices(const float coord[4], |
| float *out, unsigned stride) |
| { |
| out[0] = coord[0]; /*t0.s*/ |
| out[1] = coord[1]; /*t0.t*/ |
| out += stride; |
| out[0] = coord[2]; /*t1.s*/ |
| out[1] = coord[1]; /*t1.t*/ |
| out += stride; |
| out[0] = coord[2]; /*t2.s*/ |
| out[1] = coord[3]; /*t2.t*/ |
| out += stride; |
| out[0] = coord[0]; /*t3.s*/ |
| out[1] = coord[3]; /*t3.t*/ |
| } |
| |
| static void blitter_set_texcoords(struct blitter_context_priv *ctx, |
| struct pipe_sampler_view *src, |
| unsigned src_width0, unsigned src_height0, |
| unsigned layer, unsigned sample, |
| unsigned x1, unsigned y1, |
| unsigned x2, unsigned y2) |
| { |
| unsigned i; |
| float coord[4]; |
| float face_coord[4][2]; |
| |
| get_texcoords(src, src_width0, src_height0, x1, y1, x2, y2, coord); |
| |
| if (src->texture->target == PIPE_TEXTURE_CUBE) { |
| set_texcoords_in_vertices(coord, &face_coord[0][0], 2); |
| util_map_texcoords2d_onto_cubemap(layer, |
| /* pointer, stride in floats */ |
| &face_coord[0][0], 2, |
| &ctx->vertices[0][1][0], 8); |
| } else { |
| set_texcoords_in_vertices(coord, &ctx->vertices[0][1][0], 8); |
| } |
| |
| /* Set the layer. */ |
| switch (src->texture->target) { |
| case PIPE_TEXTURE_3D: |
| { |
| float r = layer / (float)u_minify(src->texture->depth0, |
| src->u.tex.first_level); |
| for (i = 0; i < 4; i++) |
| ctx->vertices[i][1][2] = r; /*r*/ |
| } |
| break; |
| |
| case PIPE_TEXTURE_1D_ARRAY: |
| for (i = 0; i < 4; i++) |
| ctx->vertices[i][1][1] = layer; /*t*/ |
| break; |
| |
| case PIPE_TEXTURE_2D_ARRAY: |
| for (i = 0; i < 4; i++) { |
| ctx->vertices[i][1][2] = layer; /*r*/ |
| ctx->vertices[i][1][3] = sample; /*q*/ |
| } |
| break; |
| |
| case PIPE_TEXTURE_2D: |
| for (i = 0; i < 4; i++) { |
| ctx->vertices[i][1][2] = sample; /*r*/ |
| } |
| break; |
| |
| default:; |
| } |
| } |
| |
| static void blitter_set_dst_dimensions(struct blitter_context_priv *ctx, |
| unsigned width, unsigned height) |
| { |
| ctx->dst_width = width; |
| ctx->dst_height = height; |
| } |
| |
| static INLINE |
| void *blitter_get_fs_col(struct blitter_context_priv *ctx, unsigned num_cbufs, |
| boolean int_format) |
| { |
| struct pipe_context *pipe = ctx->base.pipe; |
| |
| assert(num_cbufs <= PIPE_MAX_COLOR_BUFS); |
| |
| if (int_format) { |
| if (!ctx->fs_col_int[num_cbufs]) |
| ctx->fs_col_int[num_cbufs] = |
| util_make_fragment_cloneinput_shader(pipe, num_cbufs, |
| TGSI_SEMANTIC_GENERIC, |
| TGSI_INTERPOLATE_CONSTANT); |
| return ctx->fs_col_int[num_cbufs]; |
| } else { |
| if (!ctx->fs_col[num_cbufs]) |
| ctx->fs_col[num_cbufs] = |
| util_make_fragment_cloneinput_shader(pipe, num_cbufs, |
| TGSI_SEMANTIC_GENERIC, |
| TGSI_INTERPOLATE_LINEAR); |
| return ctx->fs_col[num_cbufs]; |
| } |
| } |
| |
| static INLINE |
| void *blitter_get_fs_texfetch_col(struct blitter_context_priv *ctx, |
| struct pipe_resource *tex) |
| { |
| struct pipe_context *pipe = ctx->base.pipe; |
| |
| assert(tex->target < PIPE_MAX_TEXTURE_TYPES); |
| |
| if (tex->nr_samples > 1) { |
| void **shader = &ctx->fs_texfetch_col_msaa[tex->target]; |
| |
| /* Create the fragment shader on-demand. */ |
| if (!*shader) { |
| unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(tex->target, |
| tex->nr_samples); |
| |
| *shader = util_make_fs_blit_msaa_color(pipe, tgsi_tex); |
| } |
| |
| return *shader; |
| } else { |
| void **shader = &ctx->fs_texfetch_col[tex->target]; |
| |
| /* Create the fragment shader on-demand. */ |
| if (!*shader) { |
| unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(tex->target, 0); |
| |
| *shader = |
| util_make_fragment_tex_shader(pipe, tgsi_tex, |
| TGSI_INTERPOLATE_LINEAR); |
| } |
| |
| return *shader; |
| } |
| } |
| |
| static INLINE |
| void *blitter_get_fs_texfetch_depth(struct blitter_context_priv *ctx, |
| struct pipe_resource *tex) |
| { |
| struct pipe_context *pipe = ctx->base.pipe; |
| |
| assert(tex->target < PIPE_MAX_TEXTURE_TYPES); |
| |
| if (tex->nr_samples > 1) { |
| void **shader = &ctx->fs_texfetch_depth_msaa[tex->target]; |
| |
| /* Create the fragment shader on-demand. */ |
| if (!*shader) { |
| unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(tex->target, |
| tex->nr_samples); |
| |
| *shader = |
| util_make_fs_blit_msaa_depth(pipe, tgsi_tex); |
| } |
| |
| return *shader; |
| } else { |
| void **shader = &ctx->fs_texfetch_depth[tex->target]; |
| |
| /* Create the fragment shader on-demand. */ |
| if (!*shader) { |
| unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(tex->target, 0); |
| |
| *shader = |
| util_make_fragment_tex_shader_writedepth(pipe, tgsi_tex, |
| TGSI_INTERPOLATE_LINEAR); |
| } |
| |
| return *shader; |
| } |
| } |
| |
| static INLINE |
| void *blitter_get_fs_texfetch_depthstencil(struct blitter_context_priv *ctx, |
| struct pipe_resource *tex) |
| { |
| struct pipe_context *pipe = ctx->base.pipe; |
| |
| assert(tex->target < PIPE_MAX_TEXTURE_TYPES); |
| |
| if (tex->nr_samples > 1) { |
| void **shader = &ctx->fs_texfetch_depthstencil_msaa[tex->target]; |
| |
| /* Create the fragment shader on-demand. */ |
| if (!*shader) { |
| unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(tex->target, |
| tex->nr_samples); |
| |
| *shader = |
| util_make_fs_blit_msaa_depthstencil(pipe, tgsi_tex); |
| } |
| |
| return *shader; |
| } else { |
| void **shader = &ctx->fs_texfetch_depthstencil[tex->target]; |
| |
| /* Create the fragment shader on-demand. */ |
| if (!*shader) { |
| unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(tex->target, 0); |
| |
| *shader = |
| util_make_fragment_tex_shader_writedepthstencil(pipe, tgsi_tex, |
| TGSI_INTERPOLATE_LINEAR); |
| } |
| |
| return *shader; |
| } |
| } |
| |
| static INLINE |
| void *blitter_get_fs_texfetch_stencil(struct blitter_context_priv *ctx, |
| struct pipe_resource *tex) |
| { |
| struct pipe_context *pipe = ctx->base.pipe; |
| |
| assert(tex->target < PIPE_MAX_TEXTURE_TYPES); |
| |
| if (tex->nr_samples > 1) { |
| void **shader = &ctx->fs_texfetch_stencil_msaa[tex->target]; |
| |
| /* Create the fragment shader on-demand. */ |
| if (!*shader) { |
| unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(tex->target, |
| tex->nr_samples); |
| |
| *shader = |
| util_make_fs_blit_msaa_stencil(pipe, tgsi_tex); |
| } |
| |
| return *shader; |
| } else { |
| void **shader = &ctx->fs_texfetch_stencil[tex->target]; |
| |
| /* Create the fragment shader on-demand. */ |
| if (!*shader) { |
| unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(tex->target, 0); |
| |
| *shader = |
| util_make_fragment_tex_shader_writestencil(pipe, tgsi_tex, |
| TGSI_INTERPOLATE_LINEAR); |
| } |
| |
| return *shader; |
| } |
| } |
| |
| static void blitter_set_common_draw_rect_state(struct blitter_context_priv *ctx) |
| { |
| struct pipe_context *pipe = ctx->base.pipe; |
| |
| pipe->bind_rasterizer_state(pipe, ctx->rs_state); |
| pipe->bind_vs_state(pipe, ctx->vs); |
| if (ctx->has_geometry_shader) |
| pipe->bind_gs_state(pipe, NULL); |
| if (ctx->has_stream_out) |
| pipe->set_stream_output_targets(pipe, 0, NULL, 0); |
| } |
| |
| static void blitter_draw(struct blitter_context_priv *ctx, |
| unsigned x1, unsigned y1, |
| unsigned x2, unsigned y2, |
| float depth) |
| { |
| struct pipe_resource *buf = NULL; |
| unsigned offset = 0; |
| |
| blitter_set_rectangle(ctx, x1, y1, x2, y2, depth); |
| |
| u_upload_data(ctx->upload, 0, sizeof(ctx->vertices), ctx->vertices, |
| &offset, &buf); |
| u_upload_unmap(ctx->upload); |
| util_draw_vertex_buffer(ctx->base.pipe, NULL, buf, offset, |
| PIPE_PRIM_TRIANGLE_FAN, 4, 2); |
| pipe_resource_reference(&buf, NULL); |
| } |
| |
| void util_blitter_draw_rectangle(struct blitter_context *blitter, |
| unsigned x1, unsigned y1, |
| unsigned x2, unsigned y2, |
| float depth, |
| enum blitter_attrib_type type, |
| const union pipe_color_union *attrib) |
| { |
| struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
| |
| switch (type) { |
| case UTIL_BLITTER_ATTRIB_COLOR: |
| blitter_set_clear_color(ctx, attrib); |
| break; |
| |
| case UTIL_BLITTER_ATTRIB_TEXCOORD: |
| set_texcoords_in_vertices(attrib->f, &ctx->vertices[0][1][0], 8); |
| break; |
| |
| default:; |
| } |
| |
| blitter_draw(ctx, x1, y1, x2, y2, depth); |
| } |
| |
| static void util_blitter_clear_custom(struct blitter_context *blitter, |
| unsigned width, unsigned height, |
| unsigned num_cbufs, |
| unsigned clear_buffers, |
| enum pipe_format cbuf_format, |
| const union pipe_color_union *color, |
| double depth, unsigned stencil, |
| void *custom_blend, void *custom_dsa) |
| { |
| struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
| struct pipe_context *pipe = ctx->base.pipe; |
| struct pipe_stencil_ref sr = { { 0 } }; |
| boolean int_format = util_format_is_pure_integer(cbuf_format); |
| assert(num_cbufs <= PIPE_MAX_COLOR_BUFS); |
| |
| blitter_set_running_flag(ctx); |
| blitter_check_saved_vertex_states(ctx); |
| blitter_check_saved_fragment_states(ctx); |
| |
| /* bind states */ |
| if (custom_blend) { |
| pipe->bind_blend_state(pipe, custom_blend); |
| } else if (clear_buffers & PIPE_CLEAR_COLOR) { |
| pipe->bind_blend_state(pipe, ctx->blend_write_color); |
| } else { |
| pipe->bind_blend_state(pipe, ctx->blend_keep_color); |
| } |
| |
| if (custom_dsa) { |
| pipe->bind_depth_stencil_alpha_state(pipe, custom_dsa); |
| } else if ((clear_buffers & PIPE_CLEAR_DEPTHSTENCIL) == PIPE_CLEAR_DEPTHSTENCIL) { |
| pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil); |
| } else if (clear_buffers & PIPE_CLEAR_DEPTH) { |
| pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_keep_stencil); |
| } else if (clear_buffers & PIPE_CLEAR_STENCIL) { |
| pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil); |
| } else { |
| pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); |
| } |
| |
| sr.ref_value[0] = stencil & 0xff; |
| pipe->set_stencil_ref(pipe, &sr); |
| |
| if (util_format_is_pure_sint(cbuf_format)) { |
| pipe->bind_vertex_elements_state(pipe, ctx->velem_sint_state); |
| } else if (util_format_is_pure_uint(cbuf_format)) { |
| pipe->bind_vertex_elements_state(pipe, ctx->velem_uint_state); |
| } else { |
| pipe->bind_vertex_elements_state(pipe, ctx->velem_state); |
| } |
| pipe->bind_fs_state(pipe, blitter_get_fs_col(ctx, num_cbufs, int_format)); |
| pipe->set_sample_mask(pipe, ~0); |
| |
| blitter_set_common_draw_rect_state(ctx); |
| blitter_set_dst_dimensions(ctx, width, height); |
| blitter->draw_rectangle(blitter, 0, 0, width, height, depth, |
| UTIL_BLITTER_ATTRIB_COLOR, color); |
| |
| blitter_restore_vertex_states(ctx); |
| blitter_restore_fragment_states(ctx); |
| blitter_unset_running_flag(ctx); |
| } |
| |
| void util_blitter_clear(struct blitter_context *blitter, |
| unsigned width, unsigned height, |
| unsigned num_cbufs, |
| unsigned clear_buffers, |
| enum pipe_format cbuf_format, |
| const union pipe_color_union *color, |
| double depth, unsigned stencil) |
| { |
| util_blitter_clear_custom(blitter, width, height, num_cbufs, |
| clear_buffers, cbuf_format, color, depth, stencil, |
| NULL, NULL); |
| } |
| |
| void util_blitter_custom_clear_depth(struct blitter_context *blitter, |
| unsigned width, unsigned height, |
| double depth, void *custom_dsa) |
| { |
| static const union pipe_color_union color; |
| util_blitter_clear_custom(blitter, width, height, 0, |
| 0, PIPE_FORMAT_NONE, &color, depth, 0, NULL, custom_dsa); |
| } |
| |
| static |
| boolean is_overlap(unsigned dstx, unsigned dsty, unsigned dstz, |
| const struct pipe_box *srcbox) |
| { |
| struct pipe_box src = *srcbox; |
| |
| if (src.width < 0) { |
| src.x += src.width; |
| src.width = -src.width; |
| } |
| if (src.height < 0) { |
| src.y += src.height; |
| src.height = -src.height; |
| } |
| if (src.depth < 0) { |
| src.z += src.depth; |
| src.depth = -src.depth; |
| } |
| return src.x < dstx+src.width && src.x+src.width > dstx && |
| src.y < dsty+src.height && src.y+src.height > dsty && |
| src.z < dstz+src.depth && src.z+src.depth > dstz; |
| } |
| |
| void util_blitter_default_dst_texture(struct pipe_surface *dst_templ, |
| struct pipe_resource *dst, |
| unsigned dstlevel, |
| unsigned dstz, |
| const struct pipe_box *srcbox) |
| { |
| memset(dst_templ, 0, sizeof(*dst_templ)); |
| dst_templ->format = dst->format; |
| if (util_format_is_depth_or_stencil(dst->format)) { |
| dst_templ->usage = PIPE_BIND_DEPTH_STENCIL; |
| } else { |
| dst_templ->usage = PIPE_BIND_RENDER_TARGET; |
| } |
| dst_templ->format = util_format_linear(dst->format); |
| dst_templ->u.tex.level = dstlevel; |
| dst_templ->u.tex.first_layer = dstz; |
| dst_templ->u.tex.last_layer = dstz + srcbox->depth - 1; |
| } |
| |
| void util_blitter_default_src_texture(struct pipe_sampler_view *src_templ, |
| struct pipe_resource *src, |
| unsigned srclevel) |
| { |
| memset(src_templ, 0, sizeof(*src_templ)); |
| src_templ->format = util_format_linear(src->format); |
| src_templ->u.tex.first_level = srclevel; |
| src_templ->u.tex.last_level = srclevel; |
| src_templ->u.tex.first_layer = 0; |
| src_templ->u.tex.last_layer = |
| src->target == PIPE_TEXTURE_3D ? u_minify(src->depth0, srclevel) - 1 |
| : src->array_size - 1; |
| src_templ->swizzle_r = PIPE_SWIZZLE_RED; |
| src_templ->swizzle_g = PIPE_SWIZZLE_GREEN; |
| src_templ->swizzle_b = PIPE_SWIZZLE_BLUE; |
| src_templ->swizzle_a = PIPE_SWIZZLE_ALPHA; |
| } |
| |
| boolean util_blitter_is_copy_supported(struct blitter_context *blitter, |
| const struct pipe_resource *dst, |
| const struct pipe_resource *src, |
| unsigned mask) |
| { |
| struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
| struct pipe_screen *screen = ctx->base.pipe->screen; |
| |
| if (dst) { |
| unsigned bind; |
| boolean is_stencil; |
| const struct util_format_description *desc = |
| util_format_description(dst->format); |
| |
| is_stencil = util_format_has_stencil(desc); |
| |
| /* Stencil export must be supported for stencil copy. */ |
| if ((mask & PIPE_MASK_S) && is_stencil && !ctx->has_stencil_export) { |
| return FALSE; |
| } |
| |
| if (is_stencil || util_format_has_depth(desc)) |
| bind = PIPE_BIND_DEPTH_STENCIL; |
| else |
| bind = PIPE_BIND_RENDER_TARGET; |
| |
| if (!screen->is_format_supported(screen, dst->format, dst->target, |
| dst->nr_samples, bind)) { |
| return FALSE; |
| } |
| } |
| |
| if (src) { |
| if (!screen->is_format_supported(screen, src->format, src->target, |
| src->nr_samples, PIPE_BIND_SAMPLER_VIEW)) { |
| return FALSE; |
| } |
| |
| /* Check stencil sampler support for stencil copy. */ |
| if (util_format_has_stencil(util_format_description(src->format))) { |
| enum pipe_format stencil_format = |
| util_format_stencil_only(src->format); |
| assert(stencil_format != PIPE_FORMAT_NONE); |
| |
| if (stencil_format != src->format && |
| !screen->is_format_supported(screen, stencil_format, src->target, |
| src->nr_samples, PIPE_BIND_SAMPLER_VIEW)) { |
| return FALSE; |
| } |
| } |
| } |
| |
| return TRUE; |
| } |
| |
| void util_blitter_copy_texture(struct blitter_context *blitter, |
| struct pipe_resource *dst, |
| unsigned dst_level, unsigned dst_sample_mask, |
| unsigned dstx, unsigned dsty, unsigned dstz, |
| struct pipe_resource *src, |
| unsigned src_level, unsigned src_sample, |
| const struct pipe_box *srcbox) |
| { |
| struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
| struct pipe_context *pipe = ctx->base.pipe; |
| struct pipe_surface *dst_view, dst_templ; |
| struct pipe_sampler_view src_templ, *src_view; |
| |
| assert(dst && src); |
| assert(src->target < PIPE_MAX_TEXTURE_TYPES); |
| |
| /* Initialize the surface. */ |
| util_blitter_default_dst_texture(&dst_templ, dst, dst_level, dstz, srcbox); |
| dst_view = pipe->create_surface(pipe, dst, &dst_templ); |
| |
| /* Initialize the sampler view. */ |
| util_blitter_default_src_texture(&src_templ, src, src_level); |
| src_view = pipe->create_sampler_view(pipe, src, &src_templ); |
| |
| /* Copy. */ |
| util_blitter_copy_texture_view(blitter, dst_view, dst_sample_mask, dstx, |
| dsty, src_view, src_sample, srcbox, |
| src->width0, src->height0, PIPE_MASK_RGBAZS); |
| |
| pipe_surface_reference(&dst_view, NULL); |
| pipe_sampler_view_reference(&src_view, NULL); |
| } |
| |
| void util_blitter_copy_texture_view(struct blitter_context *blitter, |
| struct pipe_surface *dst, |
| unsigned dst_sample_mask, |
| unsigned dstx, unsigned dsty, |
| struct pipe_sampler_view *src, |
| unsigned src_sample, |
| const struct pipe_box *srcbox, |
| unsigned src_width0, unsigned src_height0, |
| unsigned mask) |
| { |
| struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
| struct pipe_context *pipe = ctx->base.pipe; |
| struct pipe_framebuffer_state fb_state; |
| enum pipe_texture_target src_target = src->texture->target; |
| int abs_width = abs(srcbox->width); |
| int abs_height = abs(srcbox->height); |
| boolean blit_stencil, blit_depth; |
| const struct util_format_description *src_desc = |
| util_format_description(src->format); |
| |
| blit_depth = util_format_has_depth(src_desc) && (mask & PIPE_MASK_Z); |
| blit_stencil = util_format_has_stencil(src_desc) && (mask & PIPE_MASK_S); |
| |
| /* If you want a fallback for stencil copies, |
| * use util_blitter_copy_texture. */ |
| if (blit_stencil && !ctx->has_stencil_export) { |
| blit_stencil = FALSE; |
| |
| if (!blit_depth) |
| return; |
| } |
| |
| /* Sanity checks. */ |
| if (dst->texture == src->texture && |
| dst->u.tex.level == src->u.tex.first_level) { |
| assert(!is_overlap(dstx, dsty, 0, srcbox)); |
| } |
| /* XXX should handle 3d regions */ |
| assert(srcbox->depth == 1); |
| |
| /* Check whether the states are properly saved. */ |
| blitter_set_running_flag(ctx); |
| blitter_check_saved_vertex_states(ctx); |
| blitter_check_saved_fragment_states(ctx); |
| blitter_check_saved_textures(ctx); |
| blitter_check_saved_fb_state(ctx); |
| |
| /* Initialize framebuffer state. */ |
| fb_state.width = dst->width; |
| fb_state.height = dst->height; |
| |
| if (blit_depth || blit_stencil) { |
| pipe->bind_blend_state(pipe, ctx->blend_keep_color); |
| |
| if (blit_depth && blit_stencil) { |
| pipe->bind_depth_stencil_alpha_state(pipe, |
| ctx->dsa_write_depth_stencil); |
| pipe->bind_fs_state(pipe, |
| blitter_get_fs_texfetch_depthstencil(ctx, src->texture)); |
| } else if (blit_depth) { |
| pipe->bind_depth_stencil_alpha_state(pipe, |
| ctx->dsa_write_depth_keep_stencil); |
| pipe->bind_fs_state(pipe, |
| blitter_get_fs_texfetch_depth(ctx, src->texture)); |
| } else { /* is_stencil */ |
| pipe->bind_depth_stencil_alpha_state(pipe, |
| ctx->dsa_keep_depth_write_stencil); |
| pipe->bind_fs_state(pipe, |
| blitter_get_fs_texfetch_stencil(ctx, src->texture)); |
| } |
| |
| fb_state.nr_cbufs = 0; |
| fb_state.zsbuf = dst; |
| } else { |
| pipe->bind_blend_state(pipe, ctx->blend_write_color); |
| pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); |
| pipe->bind_fs_state(pipe, |
| blitter_get_fs_texfetch_col(ctx, src->texture)); |
| |
| fb_state.nr_cbufs = 1; |
| fb_state.cbufs[0] = dst; |
| fb_state.zsbuf = 0; |
| } |
| |
| 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]; |
| void *samplers[2] = {ctx->sampler_state, ctx->sampler_state}; |
| |
| templ = *src; |
| templ.format = util_format_stencil_only(templ.format); |
| assert(templ.format != PIPE_FORMAT_NONE); |
| |
| views[0] = src; |
| views[1] = pipe->create_sampler_view(pipe, src->texture, &templ); |
| |
| pipe->set_fragment_sampler_views(pipe, 2, views); |
| pipe->bind_fragment_sampler_states(pipe, 2, samplers); |
| |
| pipe_sampler_view_reference(&views[1], NULL); |
| } else if (blit_stencil) { |
| /* Set a stencil-only sampler view for it not to sample depth instead. */ |
| struct pipe_sampler_view templ; |
| struct pipe_sampler_view *view; |
| |
| templ = *src; |
| templ.format = util_format_stencil_only(templ.format); |
| assert(templ.format != PIPE_FORMAT_NONE); |
| |
| view = pipe->create_sampler_view(pipe, src->texture, &templ); |
| |
| pipe->set_fragment_sampler_views(pipe, 1, &view); |
| pipe->bind_fragment_sampler_states(pipe, 1, &ctx->sampler_state); |
| |
| pipe_sampler_view_reference(&view, NULL); |
| } else { |
| pipe->set_fragment_sampler_views(pipe, 1, &src); |
| pipe->bind_fragment_sampler_states(pipe, 1, &ctx->sampler_state); |
| } |
| |
| pipe->bind_vertex_elements_state(pipe, ctx->velem_state); |
| pipe->set_framebuffer_state(pipe, &fb_state); |
| pipe->set_sample_mask(pipe, dst_sample_mask); |
| |
| blitter_set_common_draw_rect_state(ctx); |
| blitter_set_dst_dimensions(ctx, dst->width, dst->height); |
| |
| if ((src_target == PIPE_TEXTURE_1D || |
| src_target == PIPE_TEXTURE_2D || |
| src_target == PIPE_TEXTURE_RECT) && |
| src->texture->nr_samples <= 1) { |
| /* Draw the quad with the draw_rectangle callback. */ |
| |
| /* Set texture coordinates. - use a pipe color union |
| * for interface purposes. |
| * XXX pipe_color_union is a wrong name since we use that to set |
| * texture coordinates too. |
| */ |
| union pipe_color_union coord; |
| get_texcoords(src, src_width0, src_height0, srcbox->x, srcbox->y, |
| srcbox->x+srcbox->width, srcbox->y+srcbox->height, coord.f); |
| |
| /* Draw. */ |
| blitter->draw_rectangle(blitter, dstx, dsty, dstx+abs_width, dsty+abs_height, 0, |
| UTIL_BLITTER_ATTRIB_TEXCOORD, &coord); |
| } else { |
| /* Draw the quad with the generic codepath. */ |
| blitter_set_texcoords(ctx, src, src_width0, src_height0, srcbox->z, |
| src_sample, |
| srcbox->x, srcbox->y, |
| srcbox->x + srcbox->width, srcbox->y + srcbox->height); |
| blitter_draw(ctx, dstx, dsty, dstx+abs_width, dsty+abs_height, 0); |
| } |
| |
| blitter_restore_vertex_states(ctx); |
| blitter_restore_fragment_states(ctx); |
| blitter_restore_textures(ctx); |
| blitter_restore_fb_state(ctx); |
| blitter_unset_running_flag(ctx); |
| } |
| |
| /* Clear a region of a color surface to a constant value. */ |
| void util_blitter_clear_render_target(struct blitter_context *blitter, |
| struct pipe_surface *dstsurf, |
| const union pipe_color_union *color, |
| unsigned dstx, unsigned dsty, |
| unsigned width, unsigned height) |
| { |
| struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
| struct pipe_context *pipe = ctx->base.pipe; |
| struct pipe_framebuffer_state fb_state; |
| |
| assert(dstsurf->texture); |
| if (!dstsurf->texture) |
| return; |
| |
| /* check the saved state */ |
| blitter_set_running_flag(ctx); |
| blitter_check_saved_vertex_states(ctx); |
| blitter_check_saved_fragment_states(ctx); |
| blitter_check_saved_fb_state(ctx); |
| |
| /* bind states */ |
| pipe->bind_blend_state(pipe, ctx->blend_write_color); |
| pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); |
| pipe->bind_fs_state(pipe, blitter_get_fs_col(ctx, 1, FALSE)); |
| pipe->bind_vertex_elements_state(pipe, ctx->velem_state); |
| |
| /* set a framebuffer state */ |
| fb_state.width = dstsurf->width; |
| fb_state.height = dstsurf->height; |
| fb_state.nr_cbufs = 1; |
| fb_state.cbufs[0] = dstsurf; |
| fb_state.zsbuf = 0; |
| pipe->set_framebuffer_state(pipe, &fb_state); |
| pipe->set_sample_mask(pipe, ~0); |
| |
| blitter_set_common_draw_rect_state(ctx); |
| blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height); |
| blitter->draw_rectangle(blitter, dstx, dsty, dstx+width, dsty+height, 0, |
| UTIL_BLITTER_ATTRIB_COLOR, color); |
| |
| blitter_restore_vertex_states(ctx); |
| blitter_restore_fragment_states(ctx); |
| blitter_restore_fb_state(ctx); |
| blitter_unset_running_flag(ctx); |
| } |
| |
| /* Clear a region of a depth stencil surface. */ |
| void util_blitter_clear_depth_stencil(struct blitter_context *blitter, |
| struct pipe_surface *dstsurf, |
| unsigned clear_flags, |
| double depth, |
| unsigned stencil, |
| unsigned dstx, unsigned dsty, |
| unsigned width, unsigned height) |
| { |
| struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
| struct pipe_context *pipe = ctx->base.pipe; |
| struct pipe_framebuffer_state fb_state; |
| struct pipe_stencil_ref sr = { { 0 } }; |
| |
| assert(dstsurf->texture); |
| if (!dstsurf->texture) |
| return; |
| |
| /* check the saved state */ |
| blitter_set_running_flag(ctx); |
| blitter_check_saved_vertex_states(ctx); |
| blitter_check_saved_fragment_states(ctx); |
| blitter_check_saved_fb_state(ctx); |
| |
| /* bind states */ |
| pipe->bind_blend_state(pipe, ctx->blend_keep_color); |
| if ((clear_flags & PIPE_CLEAR_DEPTHSTENCIL) == PIPE_CLEAR_DEPTHSTENCIL) { |
| sr.ref_value[0] = stencil & 0xff; |
| pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil); |
| pipe->set_stencil_ref(pipe, &sr); |
| } |
| else if (clear_flags & PIPE_CLEAR_DEPTH) { |
| pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_keep_stencil); |
| } |
| else if (clear_flags & PIPE_CLEAR_STENCIL) { |
| sr.ref_value[0] = stencil & 0xff; |
| pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil); |
| pipe->set_stencil_ref(pipe, &sr); |
| } |
| else |
| /* hmm that should be illegal probably, or make it a no-op somewhere */ |
| pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); |
| |
| pipe->bind_fs_state(pipe, blitter_get_fs_col(ctx, 0, FALSE)); |
| pipe->bind_vertex_elements_state(pipe, ctx->velem_state); |
| |
| /* set a framebuffer state */ |
| fb_state.width = dstsurf->width; |
| fb_state.height = dstsurf->height; |
| fb_state.nr_cbufs = 0; |
| fb_state.cbufs[0] = 0; |
| fb_state.zsbuf = dstsurf; |
| pipe->set_framebuffer_state(pipe, &fb_state); |
| pipe->set_sample_mask(pipe, ~0); |
| |
| blitter_set_common_draw_rect_state(ctx); |
| blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height); |
| blitter->draw_rectangle(blitter, dstx, dsty, dstx+width, dsty+height, depth, |
| UTIL_BLITTER_ATTRIB_NONE, NULL); |
| |
| blitter_restore_vertex_states(ctx); |
| blitter_restore_fragment_states(ctx); |
| blitter_restore_fb_state(ctx); |
| blitter_unset_running_flag(ctx); |
| } |
| |
| /* draw a rectangle across a region using a custom dsa stage - for r600g */ |
| void util_blitter_custom_depth_stencil(struct blitter_context *blitter, |
| struct pipe_surface *zsurf, |
| struct pipe_surface *cbsurf, |
| unsigned sample_mask, |
| void *dsa_stage, float depth) |
| { |
| struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
| struct pipe_context *pipe = ctx->base.pipe; |
| struct pipe_framebuffer_state fb_state; |
| |
| assert(zsurf->texture); |
| if (!zsurf->texture) |
| return; |
| |
| /* check the saved state */ |
| blitter_set_running_flag(ctx); |
| blitter_check_saved_vertex_states(ctx); |
| blitter_check_saved_fragment_states(ctx); |
| blitter_check_saved_fb_state(ctx); |
| |
| /* bind states */ |
| pipe->bind_blend_state(pipe, ctx->blend_write_color); |
| pipe->bind_depth_stencil_alpha_state(pipe, dsa_stage); |
| pipe->bind_fs_state(pipe, blitter_get_fs_col(ctx, 0, FALSE)); |
| pipe->bind_vertex_elements_state(pipe, ctx->velem_state); |
| |
| /* set a framebuffer state */ |
| fb_state.width = zsurf->width; |
| fb_state.height = zsurf->height; |
| fb_state.nr_cbufs = 1; |
| if (cbsurf) { |
| fb_state.cbufs[0] = cbsurf; |
| fb_state.nr_cbufs = 1; |
| } else { |
| fb_state.cbufs[0] = NULL; |
| fb_state.nr_cbufs = 0; |
| } |
| fb_state.zsbuf = zsurf; |
| pipe->set_framebuffer_state(pipe, &fb_state); |
| pipe->set_sample_mask(pipe, sample_mask); |
| |
| blitter_set_common_draw_rect_state(ctx); |
| blitter_set_dst_dimensions(ctx, zsurf->width, zsurf->height); |
| blitter->draw_rectangle(blitter, 0, 0, zsurf->width, zsurf->height, depth, |
| UTIL_BLITTER_ATTRIB_NONE, NULL); |
| |
| blitter_restore_vertex_states(ctx); |
| blitter_restore_fragment_states(ctx); |
| blitter_restore_fb_state(ctx); |
| blitter_unset_running_flag(ctx); |
| } |
| |
| void util_blitter_copy_buffer(struct blitter_context *blitter, |
| struct pipe_resource *dst, |
| unsigned dstx, |
| struct pipe_resource *src, |
| unsigned srcx, |
| unsigned size) |
| { |
| struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
| struct pipe_context *pipe = ctx->base.pipe; |
| struct pipe_vertex_buffer vb; |
| struct pipe_stream_output_target *so_target; |
| |
| if (srcx >= src->width0 || |
| dstx >= dst->width0) { |
| return; |
| } |
| if (srcx + size > src->width0) { |
| size = src->width0 - srcx; |
| } |
| if (dstx + size > dst->width0) { |
| size = dst->width0 - dstx; |
| } |
| |
| /* Drivers not capable of Stream Out should not call this function |
| * in the first place. */ |
| assert(ctx->has_stream_out); |
| |
| /* Some alignment is required. */ |
| if (srcx % 4 != 0 || dstx % 4 != 0 || size % 4 != 0 || |
| !ctx->has_stream_out) { |
| struct pipe_box box; |
| u_box_1d(srcx, size, &box); |
| util_resource_copy_region(pipe, dst, 0, dstx, 0, 0, src, 0, &box); |
| return; |
| } |
| |
| blitter_set_running_flag(ctx); |
| blitter_check_saved_vertex_states(ctx); |
| |
| vb.buffer = src; |
| vb.buffer_offset = srcx; |
| vb.stride = 4; |
| |
| pipe->set_vertex_buffers(pipe, 1, &vb); |
| pipe->bind_vertex_elements_state(pipe, ctx->velem_state_readbuf); |
| pipe->bind_vs_state(pipe, ctx->vs_pos_only); |
| if (ctx->has_geometry_shader) |
| pipe->bind_gs_state(pipe, NULL); |
| pipe->bind_rasterizer_state(pipe, ctx->rs_discard_state); |
| |
| so_target = pipe->create_stream_output_target(pipe, dst, dstx, size); |
| pipe->set_stream_output_targets(pipe, 1, &so_target, 0); |
| |
| util_draw_arrays(pipe, PIPE_PRIM_POINTS, 0, size / 4); |
| |
| blitter_restore_vertex_states(ctx); |
| blitter_unset_running_flag(ctx); |
| pipe_so_target_reference(&so_target, NULL); |
| } |
| |
| /* probably radeon specific */ |
| void util_blitter_custom_resolve_color(struct blitter_context *blitter, |
| struct pipe_resource *dst, |
| unsigned dst_level, |
| unsigned dst_layer, |
| struct pipe_resource *src, |
| unsigned src_layer, |
| unsigned sample_mask, |
| void *custom_blend) |
| { |
| struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
| struct pipe_context *pipe = ctx->base.pipe; |
| struct pipe_framebuffer_state fb_state; |
| struct pipe_surface *srcsurf, *dstsurf, surf_tmpl; |
| |
| blitter_set_running_flag(ctx); |
| blitter_check_saved_vertex_states(ctx); |
| blitter_check_saved_fragment_states(ctx); |
| |
| /* bind states */ |
| pipe->bind_blend_state(pipe, custom_blend); |
| pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); |
| pipe->bind_vertex_elements_state(pipe, ctx->velem_state); |
| pipe->bind_fs_state(pipe, blitter_get_fs_col(ctx, 1, FALSE)); |
| pipe->set_sample_mask(pipe, sample_mask); |
| |
| memset(&surf_tmpl, 0, sizeof(surf_tmpl)); |
| surf_tmpl.format = dst->format; |
| surf_tmpl.u.tex.level = dst_level; |
| surf_tmpl.u.tex.first_layer = dst_layer; |
| surf_tmpl.u.tex.last_layer = dst_layer; |
| surf_tmpl.usage = PIPE_BIND_RENDER_TARGET; |
| |
| dstsurf = pipe->create_surface(pipe, dst, &surf_tmpl); |
| |
| surf_tmpl.u.tex.level = 0; |
| surf_tmpl.u.tex.first_layer = src_layer; |
| surf_tmpl.u.tex.last_layer = src_layer; |
| |
| srcsurf = pipe->create_surface(pipe, src, &surf_tmpl); |
| |
| /* set a framebuffer state */ |
| fb_state.width = src->width0; |
| fb_state.height = src->height0; |
| fb_state.nr_cbufs = 2; |
| fb_state.cbufs[0] = srcsurf; |
| fb_state.cbufs[1] = dstsurf; |
| fb_state.zsbuf = NULL; |
| pipe->set_framebuffer_state(pipe, &fb_state); |
| |
| blitter_set_common_draw_rect_state(ctx); |
| blitter_set_dst_dimensions(ctx, src->width0, src->height0); |
| blitter->draw_rectangle(blitter, 0, 0, src->width0, src->height0, |
| 0, 0, NULL); |
| blitter_restore_fb_state(ctx); |
| blitter_restore_vertex_states(ctx); |
| blitter_restore_fragment_states(ctx); |
| blitter_unset_running_flag(ctx); |
| |
| pipe_surface_reference(&srcsurf, NULL); |
| pipe_surface_reference(&dstsurf, NULL); |
| } |
| |
| void util_blitter_custom_color(struct blitter_context *blitter, |
| struct pipe_surface *dstsurf, |
| void *custom_blend) |
| { |
| struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
| struct pipe_context *pipe = ctx->base.pipe; |
| struct pipe_framebuffer_state fb_state; |
| |
| assert(dstsurf->texture); |
| if (!dstsurf->texture) |
| return; |
| |
| /* check the saved state */ |
| blitter_set_running_flag(ctx); |
| blitter_check_saved_vertex_states(ctx); |
| blitter_check_saved_fragment_states(ctx); |
| blitter_check_saved_fb_state(ctx); |
| |
| /* bind states */ |
| pipe->bind_blend_state(pipe, custom_blend); |
| pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); |
| pipe->bind_fs_state(pipe, blitter_get_fs_col(ctx, 1, FALSE)); |
| pipe->bind_vertex_elements_state(pipe, ctx->velem_state); |
| pipe->set_sample_mask(pipe, (1ull << MAX2(1, dstsurf->texture->nr_samples)) - 1); |
| |
| /* set a framebuffer state */ |
| fb_state.width = dstsurf->width; |
| fb_state.height = dstsurf->height; |
| fb_state.nr_cbufs = 1; |
| fb_state.cbufs[0] = dstsurf; |
| fb_state.zsbuf = 0; |
| pipe->set_framebuffer_state(pipe, &fb_state); |
| pipe->set_sample_mask(pipe, ~0); |
| |
| blitter_set_common_draw_rect_state(ctx); |
| blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height); |
| blitter->draw_rectangle(blitter, 0, 0, dstsurf->width, dstsurf->height, |
| 0, 0, NULL); |
| |
| blitter_restore_vertex_states(ctx); |
| blitter_restore_fragment_states(ctx); |
| blitter_restore_fb_state(ctx); |
| blitter_unset_running_flag(ctx); |
| } |