| /************************************************************************** |
| * |
| * 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 VMWARE 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, resource_copy_region, and blit 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) |
| |
| #define GET_CLEAR_BLEND_STATE_IDX(clear_buffers) \ |
| ((clear_buffers) / PIPE_CLEAR_COLOR0) |
| |
| #define NUM_RESOLVE_FRAG_SHADERS 5 /* MSAA 2x, 4x, 8x, 16x, 32x */ |
| #define GET_MSAA_RESOLVE_FS_IDX(nr_samples) (util_logbase2(nr_samples)-1) |
| |
| 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.*/ |
| void *vs_layered; /**< Vertex shader which sets LAYER = INSTANCEID. */ |
| |
| /* Fragment shaders. */ |
| void *fs_empty; |
| void *fs_write_one_cbuf; |
| void *fs_write_all_cbufs; |
| |
| /* 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]; |
| |
| /* FS which outputs an average of all samples. */ |
| void *fs_resolve[PIPE_MAX_TEXTURE_TYPES][NUM_RESOLVE_FRAG_SHADERS][2]; |
| void *fs_resolve_sint[PIPE_MAX_TEXTURE_TYPES][NUM_RESOLVE_FRAG_SHADERS][2]; |
| void *fs_resolve_uint[PIPE_MAX_TEXTURE_TYPES][NUM_RESOLVE_FRAG_SHADERS][2]; |
| |
| /* Blend state. */ |
| void *blend[PIPE_MASK_RGBA+1]; /**< blend state with writemask */ |
| void *blend_clear[GET_CLEAR_BLEND_STATE_IDX(PIPE_CLEAR_COLOR)+1]; |
| |
| /* 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_state_readbuf[4]; /**< X, XY, XYZ, XYZW */ |
| |
| /* Sampler state. */ |
| void *sampler_state; |
| void *sampler_state_linear; |
| void *sampler_state_rect; |
| void *sampler_state_rect_linear; |
| |
| /* Rasterizer state. */ |
| void *rs_state, *rs_state_scissor, *rs_discard_state; |
| |
| /* Viewport state. */ |
| struct pipe_viewport_state viewport; |
| |
| /* Destination surface dimensions. */ |
| unsigned dst_width; |
| unsigned dst_height; |
| |
| boolean has_geometry_shader; |
| boolean has_stream_out; |
| boolean has_stencil_export; |
| boolean has_texture_multisample; |
| |
| /* The Draw module overrides these functions. |
| * Always create the blitter before Draw. */ |
| void (*bind_fs_state)(struct pipe_context *, void *); |
| void (*delete_fs_state)(struct pipe_context *, void *); |
| }; |
| |
| static struct pipe_surface * |
| util_blitter_get_next_surface_layer(struct pipe_context *pipe, |
| struct pipe_surface *surf); |
| |
| 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; |
| ctx->base.get_next_surface_layer = util_blitter_get_next_surface_layer; |
| |
| ctx->bind_fs_state = pipe->bind_fs_state; |
| ctx->delete_fs_state = pipe->delete_fs_state; |
| |
| /* 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_so_targets = ~0; |
| |
| ctx->has_geometry_shader = |
| pipe->screen->get_shader_param(pipe->screen, PIPE_SHADER_GEOMETRY, |
| PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0; |
| 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); |
| |
| ctx->has_texture_multisample = |
| pipe->screen->get_param(pipe->screen, PIPE_CAP_TEXTURE_MULTISAMPLE); |
| |
| /* blend state objects */ |
| memset(&blend, 0, sizeof(blend)); |
| |
| for (i = 0; i <= PIPE_MASK_RGBA; i++) { |
| blend.rt[0].colormask = i; |
| ctx->blend[i] = 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); |
| sampler_state.normalized_coords = 0; |
| ctx->sampler_state_rect = pipe->create_sampler_state(pipe, &sampler_state); |
| |
| sampler_state.min_img_filter = PIPE_TEX_FILTER_LINEAR; |
| sampler_state.mag_img_filter = PIPE_TEX_FILTER_LINEAR; |
| sampler_state.normalized_coords = 1; |
| ctx->sampler_state_linear = pipe->create_sampler_state(pipe, &sampler_state); |
| sampler_state.normalized_coords = 0; |
| ctx->sampler_state_rect_linear = 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.half_pixel_center = 1; |
| rs_state.bottom_edge_rule = 1; |
| rs_state.flatshade = 1; |
| rs_state.depth_clip = 1; |
| ctx->rs_state = pipe->create_rasterizer_state(pipe, &rs_state); |
| |
| rs_state.scissor = 1; |
| ctx->rs_state_scissor = pipe->create_rasterizer_state(pipe, &rs_state); |
| |
| if (ctx->has_stream_out) { |
| rs_state.scissor = 0; |
| rs_state.rasterizer_discard = 1; |
| ctx->rs_discard_state = pipe->create_rasterizer_state(pipe, &rs_state); |
| } |
| |
| ctx->base.vb_slot = 0; /* 0 for now */ |
| |
| /* 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; |
| velem[i].vertex_buffer_index = ctx->base.vb_slot; |
| } |
| ctx->velem_state = pipe->create_vertex_elements_state(pipe, 2, &velem[0]); |
| |
| if (ctx->has_stream_out) { |
| static enum pipe_format formats[4] = { |
| PIPE_FORMAT_R32_UINT, |
| PIPE_FORMAT_R32G32_UINT, |
| PIPE_FORMAT_R32G32B32_UINT, |
| PIPE_FORMAT_R32G32B32A32_UINT |
| }; |
| |
| for (i = 0; i < 4; i++) { |
| velem[0].src_format = formats[i]; |
| velem[0].vertex_buffer_index = ctx->base.vb_slot; |
| ctx->velem_state_readbuf[i] = |
| pipe->create_vertex_elements_state(pipe, 1, &velem[0]); |
| } |
| } |
| |
| /* Fragment shaders are created on-demand, except these. |
| * The interpolation must be constant for integer texture clearing to work. |
| */ |
| ctx->fs_empty = util_make_empty_fragment_shader(pipe); |
| ctx->fs_write_one_cbuf = |
| util_make_fragment_passthrough_shader(pipe, TGSI_SEMANTIC_GENERIC, |
| TGSI_INTERPOLATE_CONSTANT, FALSE); |
| ctx->fs_write_all_cbufs = |
| util_make_fragment_passthrough_shader(pipe, TGSI_SEMANTIC_GENERIC, |
| TGSI_INTERPOLATE_CONSTANT, TRUE); |
| |
| /* 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); |
| } |
| |
| if (pipe->screen->get_param(pipe->screen, PIPE_CAP_TGSI_INSTANCEID) && |
| pipe->screen->get_param(pipe->screen, PIPE_CAP_TGSI_VS_LAYER)) { |
| ctx->vs_layered = util_make_layered_clear_vertex_shader(pipe); |
| } |
| |
| /* 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, j, f; |
| |
| for (i = 0; i <= PIPE_MASK_RGBA; i++) { |
| pipe->delete_blend_state(pipe, ctx->blend[i]); |
| } |
| for (i = 0; i < Elements(ctx->blend_clear); i++) { |
| if (ctx->blend_clear[i]) |
| pipe->delete_blend_state(pipe, ctx->blend_clear[i]); |
| } |
| 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); |
| pipe->delete_rasterizer_state(pipe, ctx->rs_state_scissor); |
| 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); |
| if (ctx->vs_layered) |
| pipe->delete_vs_state(pipe, ctx->vs_layered); |
| pipe->delete_vertex_elements_state(pipe, ctx->velem_state); |
| for (i = 0; i < 4; i++) { |
| if (ctx->velem_state_readbuf[i]) { |
| pipe->delete_vertex_elements_state(pipe, ctx->velem_state_readbuf[i]); |
| } |
| } |
| |
| for (i = 0; i < PIPE_MAX_TEXTURE_TYPES; i++) { |
| if (ctx->fs_texfetch_col[i]) |
| ctx->delete_fs_state(pipe, ctx->fs_texfetch_col[i]); |
| if (ctx->fs_texfetch_depth[i]) |
| ctx->delete_fs_state(pipe, ctx->fs_texfetch_depth[i]); |
| if (ctx->fs_texfetch_depthstencil[i]) |
| ctx->delete_fs_state(pipe, ctx->fs_texfetch_depthstencil[i]); |
| if (ctx->fs_texfetch_stencil[i]) |
| ctx->delete_fs_state(pipe, ctx->fs_texfetch_stencil[i]); |
| |
| for (j = 0; j< Elements(ctx->fs_resolve[i]); j++) |
| for (f = 0; f < 2; f++) |
| if (ctx->fs_resolve[i][j][f]) |
| ctx->delete_fs_state(pipe, ctx->fs_resolve[i][j][f]); |
| |
| for (j = 0; j< Elements(ctx->fs_resolve_sint[i]); j++) |
| for (f = 0; f < 2; f++) |
| if (ctx->fs_resolve_sint[i][j][f]) |
| ctx->delete_fs_state(pipe, ctx->fs_resolve_sint[i][j][f]); |
| |
| for (j = 0; j< Elements(ctx->fs_resolve_uint[i]); j++) |
| for (f = 0; f < 2; f++) |
| if (ctx->fs_resolve_uint[i][j][f]) |
| ctx->delete_fs_state(pipe, ctx->fs_resolve_uint[i][j][f]); |
| } |
| |
| ctx->delete_fs_state(pipe, ctx->fs_empty); |
| ctx->delete_fs_state(pipe, ctx->fs_write_one_cbuf); |
| ctx->delete_fs_state(pipe, ctx->fs_write_all_cbufs); |
| |
| pipe->delete_sampler_state(pipe, ctx->sampler_state_rect_linear); |
| pipe->delete_sampler_state(pipe, ctx->sampler_state_rect); |
| pipe->delete_sampler_state(pipe, ctx->sampler_state_linear); |
| pipe->delete_sampler_state(pipe, ctx->sampler_state); |
| u_upload_destroy(ctx->upload); |
| FREE(ctx); |
| } |
| |
| void util_blitter_set_texture_multisample(struct blitter_context *blitter, |
| boolean supported) |
| { |
| struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
| |
| ctx->has_texture_multisample = supported; |
| } |
| |
| 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_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 buffer. */ |
| pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, |
| &ctx->base.saved_vertex_buffer); |
| pipe_resource_reference(&ctx->base.saved_vertex_buffer.buffer, NULL); |
| |
| /* 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) { |
| unsigned offsets[PIPE_MAX_SO_BUFFERS]; |
| for (i = 0; i < ctx->base.saved_num_so_targets; i++) |
| offsets[i] = (unsigned)-1; |
| pipe->set_stream_output_targets(pipe, |
| ctx->base.saved_num_so_targets, |
| ctx->base.saved_so_targets, offsets); |
| |
| 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. */ |
| ctx->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_states(pipe, 0, 1, &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_disable_render_cond(struct blitter_context_priv *ctx) |
| { |
| struct pipe_context *pipe = ctx->base.pipe; |
| |
| if (ctx->base.saved_render_cond_query) { |
| pipe->render_condition(pipe, NULL, FALSE, 0); |
| } |
| } |
| |
| static void blitter_restore_render_cond(struct blitter_context_priv *ctx) |
| { |
| struct pipe_context *pipe = ctx->base.pipe; |
| |
| if (ctx->base.saved_render_cond_query) { |
| pipe->render_condition(pipe, ctx->base.saved_render_cond_query, |
| ctx->base.saved_render_cond_cond, |
| ctx->base.saved_render_cond_mode); |
| ctx->base.saved_render_cond_query = NULL; |
| } |
| } |
| |
| 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_sampler_states(pipe, PIPE_SHADER_FRAGMENT, 0, |
| ctx->base.saved_num_sampler_states, |
| ctx->base.saved_sampler_states); |
| |
| ctx->base.saved_num_sampler_states = ~0; |
| |
| /* Fragment sampler views. */ |
| pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, |
| 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, |
| int x1, int y1, int x2, int 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_states(ctx->base.pipe, 0, 1, &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, |
| int x1, int y1, int x2, int 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] = (float) x1; |
| out[1] = (float) y1; |
| out[2] = (float) x2; |
| out[3] = (float) 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, |
| int x1, int y1, int x2, int 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 || |
| src->texture->target == PIPE_TEXTURE_CUBE_ARRAY) { |
| set_texcoords_in_vertices(coord, &face_coord[0][0], 2); |
| util_map_texcoords2d_onto_cubemap(layer % 6, |
| /* pointer, stride in floats */ |
| &face_coord[0][0], 2, |
| &ctx->vertices[0][1][0], 8, |
| TRUE); |
| } 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] = (float) layer; /*t*/ |
| break; |
| |
| case PIPE_TEXTURE_2D_ARRAY: |
| for (i = 0; i < 4; i++) { |
| ctx->vertices[i][1][2] = (float) layer; /*r*/ |
| ctx->vertices[i][1][3] = (float) sample; /*q*/ |
| } |
| break; |
| |
| case PIPE_TEXTURE_CUBE_ARRAY: |
| for (i = 0; i < 4; i++) |
| ctx->vertices[i][1][3] = (float) (layer / 6); /*w*/ |
| break; |
| |
| case PIPE_TEXTURE_2D: |
| for (i = 0; i < 4; i++) { |
| ctx->vertices[i][1][3] = (float) 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 void *blitter_get_fs_texfetch_col(struct blitter_context_priv *ctx, |
| enum pipe_format format, |
| enum pipe_texture_target target, |
| unsigned src_nr_samples, |
| unsigned dst_nr_samples, |
| unsigned filter) |
| { |
| struct pipe_context *pipe = ctx->base.pipe; |
| unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, src_nr_samples); |
| |
| assert(target < PIPE_MAX_TEXTURE_TYPES); |
| |
| if (src_nr_samples > 1) { |
| void **shader; |
| |
| if (dst_nr_samples <= 1) { |
| /* The destination has one sample, so we'll do color resolve. */ |
| boolean is_uint, is_sint; |
| unsigned index = GET_MSAA_RESOLVE_FS_IDX(src_nr_samples); |
| |
| is_uint = util_format_is_pure_uint(format); |
| is_sint = util_format_is_pure_sint(format); |
| |
| assert(filter < 2); |
| |
| if (is_uint) |
| shader = &ctx->fs_resolve_uint[target][index][filter]; |
| else if (is_sint) |
| shader = &ctx->fs_resolve_sint[target][index][filter]; |
| else |
| shader = &ctx->fs_resolve[target][index][filter]; |
| |
| if (!*shader) { |
| if (filter == PIPE_TEX_FILTER_LINEAR) { |
| *shader = util_make_fs_msaa_resolve_bilinear(pipe, tgsi_tex, |
| src_nr_samples, |
| is_uint, is_sint); |
| } |
| else { |
| *shader = util_make_fs_msaa_resolve(pipe, tgsi_tex, |
| src_nr_samples, |
| is_uint, is_sint); |
| } |
| } |
| } |
| else { |
| /* The destination has multiple samples, we'll do |
| * an MSAA->MSAA copy. |
| */ |
| shader = &ctx->fs_texfetch_col_msaa[target]; |
| |
| /* Create the fragment shader on-demand. */ |
| if (!*shader) { |
| *shader = util_make_fs_blit_msaa_color(pipe, tgsi_tex); |
| } |
| } |
| |
| return *shader; |
| } else { |
| void **shader = &ctx->fs_texfetch_col[target]; |
| |
| /* Create the fragment shader on-demand. */ |
| if (!*shader) { |
| *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, |
| enum pipe_texture_target target, |
| unsigned nr_samples) |
| { |
| struct pipe_context *pipe = ctx->base.pipe; |
| |
| assert(target < PIPE_MAX_TEXTURE_TYPES); |
| |
| if (nr_samples > 1) { |
| void **shader = &ctx->fs_texfetch_depth_msaa[target]; |
| |
| /* Create the fragment shader on-demand. */ |
| if (!*shader) { |
| unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, |
| nr_samples); |
| |
| *shader = |
| util_make_fs_blit_msaa_depth(pipe, tgsi_tex); |
| } |
| |
| return *shader; |
| } else { |
| void **shader = &ctx->fs_texfetch_depth[target]; |
| |
| /* Create the fragment shader on-demand. */ |
| if (!*shader) { |
| unsigned tgsi_tex = util_pipe_tex_to_tgsi_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, |
| enum pipe_texture_target target, |
| unsigned nr_samples) |
| { |
| struct pipe_context *pipe = ctx->base.pipe; |
| |
| assert(target < PIPE_MAX_TEXTURE_TYPES); |
| |
| if (nr_samples > 1) { |
| void **shader = &ctx->fs_texfetch_depthstencil_msaa[target]; |
| |
| /* Create the fragment shader on-demand. */ |
| if (!*shader) { |
| unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, |
| nr_samples); |
| |
| *shader = |
| util_make_fs_blit_msaa_depthstencil(pipe, tgsi_tex); |
| } |
| |
| return *shader; |
| } else { |
| void **shader = &ctx->fs_texfetch_depthstencil[target]; |
| |
| /* Create the fragment shader on-demand. */ |
| if (!*shader) { |
| unsigned tgsi_tex = util_pipe_tex_to_tgsi_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, |
| enum pipe_texture_target target, |
| unsigned nr_samples) |
| { |
| struct pipe_context *pipe = ctx->base.pipe; |
| |
| assert(target < PIPE_MAX_TEXTURE_TYPES); |
| |
| if (nr_samples > 1) { |
| void **shader = &ctx->fs_texfetch_stencil_msaa[target]; |
| |
| /* Create the fragment shader on-demand. */ |
| if (!*shader) { |
| unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, |
| nr_samples); |
| |
| *shader = |
| util_make_fs_blit_msaa_stencil(pipe, tgsi_tex); |
| } |
| |
| return *shader; |
| } else { |
| void **shader = &ctx->fs_texfetch_stencil[target]; |
| |
| /* Create the fragment shader on-demand. */ |
| if (!*shader) { |
| unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0); |
| |
| *shader = |
| util_make_fragment_tex_shader_writestencil(pipe, tgsi_tex, |
| TGSI_INTERPOLATE_LINEAR); |
| } |
| |
| return *shader; |
| } |
| } |
| |
| void util_blitter_cache_all_shaders(struct blitter_context *blitter) |
| { |
| struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
| struct pipe_screen *screen = blitter->pipe->screen; |
| unsigned samples, j, f, target, max_samples; |
| boolean has_arraytex, has_cubearraytex; |
| |
| max_samples = ctx->has_texture_multisample ? 2 : 1; |
| has_arraytex = screen->get_param(screen, |
| PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS) != 0; |
| has_cubearraytex = screen->get_param(screen, |
| PIPE_CAP_CUBE_MAP_ARRAY) != 0; |
| |
| /* It only matters if i <= 1 or > 1. */ |
| for (samples = 1; samples <= max_samples; samples++) { |
| for (target = PIPE_TEXTURE_1D; target < PIPE_MAX_TEXTURE_TYPES; target++) { |
| if (!has_arraytex && |
| (target == PIPE_TEXTURE_1D_ARRAY || |
| target == PIPE_TEXTURE_2D_ARRAY)) { |
| continue; |
| } |
| if (!has_cubearraytex && |
| (target == PIPE_TEXTURE_CUBE_ARRAY)) |
| continue; |
| |
| if (samples > 1 && |
| (target != PIPE_TEXTURE_2D && |
| target != PIPE_TEXTURE_2D_ARRAY)) |
| continue; |
| |
| /* If samples == 1, the shaders read one texel. If samples >= 1, |
| * they read one sample. |
| */ |
| blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_FLOAT, target, |
| samples, samples, 0); |
| blitter_get_fs_texfetch_depth(ctx, target, samples); |
| if (ctx->has_stencil_export) { |
| blitter_get_fs_texfetch_depthstencil(ctx, target, samples); |
| blitter_get_fs_texfetch_stencil(ctx, target, samples); |
| } |
| |
| if (samples == 1) |
| continue; |
| |
| /* MSAA resolve shaders. */ |
| for (j = 2; j < 32; j++) { |
| if (!screen->is_format_supported(screen, PIPE_FORMAT_R32_FLOAT, |
| target, j, |
| PIPE_BIND_SAMPLER_VIEW)) { |
| continue; |
| } |
| |
| for (f = 0; f < 2; f++) { |
| blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_FLOAT, target, |
| j, 1, f); |
| blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_UINT, target, |
| j, 1, f); |
| blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_SINT, target, |
| j, 1, f); |
| } |
| } |
| } |
| } |
| } |
| |
| static void blitter_set_common_draw_rect_state(struct blitter_context_priv *ctx, |
| boolean scissor, |
| boolean vs_layered) |
| { |
| struct pipe_context *pipe = ctx->base.pipe; |
| |
| pipe->bind_rasterizer_state(pipe, scissor ? ctx->rs_state_scissor |
| : ctx->rs_state); |
| pipe->bind_vs_state(pipe, vs_layered ? ctx->vs_layered : 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, NULL); |
| } |
| |
| static void blitter_draw(struct blitter_context_priv *ctx, |
| int x1, int y1, int x2, int y2, float depth, |
| unsigned num_instances) |
| { |
| struct pipe_context *pipe = ctx->base.pipe; |
| struct pipe_vertex_buffer vb = {0}; |
| |
| blitter_set_rectangle(ctx, x1, y1, x2, y2, depth); |
| |
| vb.stride = 8 * sizeof(float); |
| |
| u_upload_data(ctx->upload, 0, sizeof(ctx->vertices), ctx->vertices, |
| &vb.buffer_offset, &vb.buffer); |
| u_upload_unmap(ctx->upload); |
| |
| pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, &vb); |
| util_draw_arrays_instanced(pipe, PIPE_PRIM_TRIANGLE_FAN, 0, 4, |
| 0, num_instances); |
| pipe_resource_reference(&vb.buffer, NULL); |
| } |
| |
| void util_blitter_draw_rectangle(struct blitter_context *blitter, |
| int x1, int y1, int x2, int 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, 1); |
| } |
| |
| static void *get_clear_blend_state(struct blitter_context_priv *ctx, |
| unsigned clear_buffers) |
| { |
| struct pipe_context *pipe = ctx->base.pipe; |
| int index; |
| |
| clear_buffers &= PIPE_CLEAR_COLOR; |
| |
| /* Return an existing blend state. */ |
| if (!clear_buffers) |
| return ctx->blend[0]; |
| |
| index = GET_CLEAR_BLEND_STATE_IDX(clear_buffers); |
| |
| if (ctx->blend_clear[index]) |
| return ctx->blend_clear[index]; |
| |
| /* Create a new one. */ |
| { |
| struct pipe_blend_state blend = {0}; |
| unsigned i; |
| |
| blend.independent_blend_enable = 1; |
| |
| for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) { |
| if (clear_buffers & (PIPE_CLEAR_COLOR0 << i)) { |
| blend.rt[i].colormask = PIPE_MASK_RGBA; |
| } |
| } |
| |
| ctx->blend_clear[index] = pipe->create_blend_state(pipe, &blend); |
| } |
| return ctx->blend_clear[index]; |
| } |
| |
| static void util_blitter_clear_custom(struct blitter_context *blitter, |
| unsigned width, unsigned height, |
| unsigned num_layers, |
| unsigned clear_buffers, |
| 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 } }; |
| |
| assert(ctx->vs_layered || num_layers <= 1); |
| |
| blitter_set_running_flag(ctx); |
| blitter_check_saved_vertex_states(ctx); |
| blitter_check_saved_fragment_states(ctx); |
| blitter_disable_render_cond(ctx); |
| |
| /* bind states */ |
| if (custom_blend) { |
| pipe->bind_blend_state(pipe, custom_blend); |
| } else { |
| pipe->bind_blend_state(pipe, get_clear_blend_state(ctx, clear_buffers)); |
| } |
| |
| 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); |
| |
| pipe->bind_vertex_elements_state(pipe, ctx->velem_state); |
| ctx->bind_fs_state(pipe, ctx->fs_write_all_cbufs); |
| pipe->set_sample_mask(pipe, ~0); |
| |
| blitter_set_dst_dimensions(ctx, width, height); |
| |
| if (num_layers > 1 && ctx->vs_layered) { |
| blitter_set_common_draw_rect_state(ctx, FALSE, TRUE); |
| blitter_set_clear_color(ctx, color); |
| blitter_draw(ctx, 0, 0, width, height, depth, num_layers); |
| } |
| else { |
| blitter_set_common_draw_rect_state(ctx, FALSE, FALSE); |
| blitter->draw_rectangle(blitter, 0, 0, width, height, (float) depth, |
| UTIL_BLITTER_ATTRIB_COLOR, color); |
| } |
| |
| blitter_restore_vertex_states(ctx); |
| blitter_restore_fragment_states(ctx); |
| blitter_restore_render_cond(ctx); |
| blitter_unset_running_flag(ctx); |
| } |
| |
| void util_blitter_clear(struct blitter_context *blitter, |
| unsigned width, unsigned height, unsigned num_layers, |
| unsigned clear_buffers, |
| const union pipe_color_union *color, |
| double depth, unsigned stencil) |
| { |
| util_blitter_clear_custom(blitter, width, height, num_layers, |
| clear_buffers, 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, &color, depth, 0, |
| NULL, custom_dsa); |
| } |
| |
| void util_blitter_default_dst_texture(struct pipe_surface *dst_templ, |
| struct pipe_resource *dst, |
| unsigned dstlevel, |
| unsigned dstz) |
| { |
| memset(dst_templ, 0, sizeof(*dst_templ)); |
| 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; |
| } |
| |
| static struct pipe_surface * |
| util_blitter_get_next_surface_layer(struct pipe_context *pipe, |
| struct pipe_surface *surf) |
| { |
| struct pipe_surface dst_templ; |
| |
| memset(&dst_templ, 0, sizeof(dst_templ)); |
| dst_templ.format = surf->format; |
| dst_templ.u.tex.level = surf->u.tex.level; |
| dst_templ.u.tex.first_layer = surf->u.tex.first_layer + 1; |
| dst_templ.u.tex.last_layer = surf->u.tex.last_layer + 1; |
| |
| return pipe->create_surface(pipe, surf->texture, &dst_templ); |
| } |
| |
| 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; |
| } |
| |
| static boolean is_blit_generic_supported(struct blitter_context *blitter, |
| const struct pipe_resource *dst, |
| enum pipe_format dst_format, |
| const struct pipe_resource *src, |
| enum pipe_format src_format, |
| unsigned mask) |
| { |
| struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
| struct pipe_screen *screen = ctx->base.pipe->screen; |
| |
| if (dst) { |
| unsigned bind; |
| const struct util_format_description *desc = |
| util_format_description(dst_format); |
| boolean dst_has_stencil = util_format_has_stencil(desc); |
| |
| /* Stencil export must be supported for stencil copy. */ |
| if ((mask & PIPE_MASK_S) && dst_has_stencil && |
| !ctx->has_stencil_export) { |
| return FALSE; |
| } |
| |
| if (dst_has_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 (src->nr_samples > 1 && !ctx->has_texture_multisample) { |
| return FALSE; |
| } |
| |
| 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 (mask & PIPE_MASK_S) { |
| 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; |
| } |
| |
| boolean util_blitter_is_copy_supported(struct blitter_context *blitter, |
| const struct pipe_resource *dst, |
| const struct pipe_resource *src) |
| { |
| return is_blit_generic_supported(blitter, dst, dst->format, |
| src, src->format, PIPE_MASK_RGBAZS); |
| } |
| |
| boolean util_blitter_is_blit_supported(struct blitter_context *blitter, |
| const struct pipe_blit_info *info) |
| { |
| return is_blit_generic_supported(blitter, |
| info->dst.resource, info->dst.format, |
| info->src.resource, info->src.format, |
| info->mask); |
| } |
| |
| void util_blitter_copy_texture(struct blitter_context *blitter, |
| struct pipe_resource *dst, |
| unsigned dst_level, |
| unsigned dstx, unsigned dsty, unsigned dstz, |
| struct pipe_resource *src, |
| unsigned src_level, |
| 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; |
| struct pipe_box dstbox; |
| |
| assert(dst && src); |
| assert(src->target < PIPE_MAX_TEXTURE_TYPES); |
| |
| u_box_3d(dstx, dsty, dstz, abs(srcbox->width), abs(srcbox->height), |
| abs(srcbox->depth), &dstbox); |
| |
| /* Initialize the surface. */ |
| util_blitter_default_dst_texture(&dst_templ, dst, dst_level, dstz); |
| 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_blit_generic(blitter, dst_view, &dstbox, |
| src_view, srcbox, src->width0, src->height0, |
| PIPE_MASK_RGBAZS, PIPE_TEX_FILTER_NEAREST, NULL); |
| |
| pipe_surface_reference(&dst_view, NULL); |
| pipe_sampler_view_reference(&src_view, NULL); |
| } |
| |
| void util_blitter_blit_generic(struct blitter_context *blitter, |
| struct pipe_surface *dst, |
| const struct pipe_box *dstbox, |
| struct pipe_sampler_view *src, |
| const struct pipe_box *srcbox, |
| unsigned src_width0, unsigned src_height0, |
| unsigned mask, unsigned filter, |
| const struct pipe_scissor_state *scissor) |
| { |
| 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; |
| unsigned src_samples = src->texture->nr_samples; |
| unsigned dst_samples = dst->texture->nr_samples; |
| boolean has_depth, has_stencil, has_color; |
| boolean blit_stencil, blit_depth, blit_color; |
| void *sampler_state; |
| const struct util_format_description *src_desc = |
| util_format_description(src->format); |
| const struct util_format_description *dst_desc = |
| util_format_description(dst->format); |
| |
| has_color = src_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS && |
| dst_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS; |
| has_depth = util_format_has_depth(src_desc) && |
| util_format_has_depth(dst_desc); |
| has_stencil = util_format_has_stencil(src_desc) && |
| util_format_has_stencil(dst_desc); |
| |
| blit_color = has_color && (mask & PIPE_MASK_RGBA); |
| blit_depth = has_depth && (mask & PIPE_MASK_Z); |
| blit_stencil = has_stencil && (mask & PIPE_MASK_S) && |
| ctx->has_stencil_export; |
| |
| if (!blit_stencil && !blit_depth && !blit_color) { |
| return; |
| } |
| |
| if (blit_stencil || |
| (dstbox->width == abs(srcbox->width) && |
| dstbox->height == abs(srcbox->height))) { |
| filter = PIPE_TEX_FILTER_NEAREST; |
| } |
| |
| /* 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); |
| blitter_disable_render_cond(ctx); |
| |
| /* Initialize framebuffer state. */ |
| fb_state.width = dst->width; |
| fb_state.height = dst->height; |
| fb_state.nr_cbufs = blit_depth || blit_stencil ? 0 : 1; |
| fb_state.cbufs[0] = NULL; |
| fb_state.zsbuf = NULL; |
| |
| if (blit_depth || blit_stencil) { |
| pipe->bind_blend_state(pipe, ctx->blend[0]); |
| |
| if (blit_depth && blit_stencil) { |
| pipe->bind_depth_stencil_alpha_state(pipe, |
| ctx->dsa_write_depth_stencil); |
| ctx->bind_fs_state(pipe, |
| blitter_get_fs_texfetch_depthstencil(ctx, src_target, |
| src_samples)); |
| } else if (blit_depth) { |
| pipe->bind_depth_stencil_alpha_state(pipe, |
| ctx->dsa_write_depth_keep_stencil); |
| ctx->bind_fs_state(pipe, |
| blitter_get_fs_texfetch_depth(ctx, src_target, |
| src_samples)); |
| } else { /* is_stencil */ |
| pipe->bind_depth_stencil_alpha_state(pipe, |
| ctx->dsa_keep_depth_write_stencil); |
| ctx->bind_fs_state(pipe, |
| blitter_get_fs_texfetch_stencil(ctx, src_target, |
| src_samples)); |
| } |
| |
| } else { |
| pipe->bind_blend_state(pipe, ctx->blend[mask & PIPE_MASK_RGBA]); |
| pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); |
| ctx->bind_fs_state(pipe, |
| blitter_get_fs_texfetch_col(ctx, src->format, src_target, |
| src_samples, dst_samples, filter)); |
| } |
| |
| /* Set the linear filter only for scaled color non-MSAA blits. */ |
| if (filter == PIPE_TEX_FILTER_LINEAR) { |
| if (src_target == PIPE_TEXTURE_RECT) { |
| sampler_state = ctx->sampler_state_rect_linear; |
| } else { |
| sampler_state = ctx->sampler_state_linear; |
| } |
| } else { |
| if (src_target == PIPE_TEXTURE_RECT) { |
| sampler_state = ctx->sampler_state_rect; |
| } else { |
| sampler_state = ctx->sampler_state; |
| } |
| } |
| |
| /* Set samplers. */ |
| 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] = {sampler_state, 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_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 2, views); |
| pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, 0, 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_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 1, &view); |
| pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, |
| 0, 1, &sampler_state); |
| |
| pipe_sampler_view_reference(&view, NULL); |
| } else { |
| pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 1, &src); |
| pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, |
| 0, 1, &sampler_state); |
| } |
| |
| pipe->bind_vertex_elements_state(pipe, ctx->velem_state); |
| if (scissor) { |
| pipe->set_scissor_states(pipe, 0, 1, scissor); |
| } |
| |
| blitter_set_common_draw_rect_state(ctx, scissor != NULL, FALSE); |
| 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_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); |
| |
| /* Set framebuffer state. */ |
| if (blit_depth || blit_stencil) { |
| fb_state.zsbuf = dst; |
| } else { |
| fb_state.cbufs[0] = dst; |
| } |
| pipe->set_framebuffer_state(pipe, &fb_state); |
| |
| /* Draw. */ |
| pipe->set_sample_mask(pipe, ~0); |
| blitter->draw_rectangle(blitter, dstbox->x, dstbox->y, |
| dstbox->x + dstbox->width, |
| dstbox->y + dstbox->height, 0, |
| UTIL_BLITTER_ATTRIB_TEXCOORD, &coord); |
| } else { |
| /* Draw the quad with the generic codepath. */ |
| int z; |
| for (z = 0; z < dstbox->depth; z++) { |
| struct pipe_surface *old; |
| |
| /* Set framebuffer state. */ |
| if (blit_depth || blit_stencil) { |
| fb_state.zsbuf = dst; |
| } else { |
| fb_state.cbufs[0] = dst; |
| } |
| pipe->set_framebuffer_state(pipe, &fb_state); |
| |
| /* See if we need to blit a multisample or singlesample buffer. */ |
| if (src_samples == dst_samples && dst_samples > 1) { |
| /* MSAA copy. */ |
| unsigned i, max_sample = dst_samples - 1; |
| |
| for (i = 0; i <= max_sample; i++) { |
| pipe->set_sample_mask(pipe, 1 << i); |
| blitter_set_texcoords(ctx, src, src_width0, src_height0, |
| srcbox->z + z, |
| i, srcbox->x, srcbox->y, |
| srcbox->x + srcbox->width, |
| srcbox->y + srcbox->height); |
| blitter_draw(ctx, dstbox->x, dstbox->y, |
| dstbox->x + dstbox->width, |
| dstbox->y + dstbox->height, 0, 1); |
| } |
| } else { |
| /* Normal copy, MSAA upsampling, or MSAA resolve. */ |
| pipe->set_sample_mask(pipe, ~0); |
| blitter_set_texcoords(ctx, src, src_width0, src_height0, |
| srcbox->z + z, 0, |
| srcbox->x, srcbox->y, |
| srcbox->x + srcbox->width, |
| srcbox->y + srcbox->height); |
| blitter_draw(ctx, dstbox->x, dstbox->y, |
| dstbox->x + dstbox->width, |
| dstbox->y + dstbox->height, 0, 1); |
| } |
| |
| /* Get the next surface or (if this is the last iteration) |
| * just unreference the last one. */ |
| old = dst; |
| if (z < dstbox->depth-1) { |
| dst = ctx->base.get_next_surface_layer(ctx->base.pipe, dst); |
| } |
| if (z) { |
| pipe_surface_reference(&old, NULL); |
| } |
| } |
| } |
| |
| blitter_restore_vertex_states(ctx); |
| blitter_restore_fragment_states(ctx); |
| blitter_restore_textures(ctx); |
| blitter_restore_fb_state(ctx); |
| if (scissor) { |
| pipe->set_scissor_states(pipe, 0, 1, &ctx->base.saved_scissor); |
| } |
| blitter_restore_render_cond(ctx); |
| blitter_unset_running_flag(ctx); |
| } |
| |
| void |
| util_blitter_blit(struct blitter_context *blitter, |
| const struct pipe_blit_info *info) |
| { |
| struct pipe_resource *dst = info->dst.resource; |
| struct pipe_resource *src = info->src.resource; |
| 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; |
| |
| /* Initialize the surface. */ |
| util_blitter_default_dst_texture(&dst_templ, dst, info->dst.level, |
| info->dst.box.z); |
| dst_templ.format = info->dst.format; |
| dst_view = pipe->create_surface(pipe, dst, &dst_templ); |
| |
| /* Initialize the sampler view. */ |
| util_blitter_default_src_texture(&src_templ, src, info->src.level); |
| src_templ.format = info->src.format; |
| src_view = pipe->create_sampler_view(pipe, src, &src_templ); |
| |
| /* Copy. */ |
| util_blitter_blit_generic(blitter, dst_view, &info->dst.box, |
| src_view, &info->src.box, src->width0, src->height0, |
| info->mask, info->filter, |
| info->scissor_enable ? &info->scissor : NULL); |
| |
| pipe_surface_reference(&dst_view, NULL); |
| pipe_sampler_view_reference(&src_view, NULL); |
| } |
| |
| /* 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); |
| blitter_disable_render_cond(ctx); |
| |
| /* bind states */ |
| pipe->bind_blend_state(pipe, ctx->blend[PIPE_MASK_RGBA]); |
| pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); |
| ctx->bind_fs_state(pipe, ctx->fs_write_one_cbuf); |
| 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, FALSE, FALSE); |
| 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_restore_render_cond(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); |
| blitter_disable_render_cond(ctx); |
| |
| /* bind states */ |
| pipe->bind_blend_state(pipe, ctx->blend[0]); |
| 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); |
| |
| ctx->bind_fs_state(pipe, ctx->fs_empty); |
| 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, FALSE, FALSE); |
| blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height); |
| blitter->draw_rectangle(blitter, dstx, dsty, dstx+width, dsty+height, |
| (float) depth, |
| UTIL_BLITTER_ATTRIB_NONE, NULL); |
| |
| blitter_restore_vertex_states(ctx); |
| blitter_restore_fragment_states(ctx); |
| blitter_restore_fb_state(ctx); |
| blitter_restore_render_cond(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); |
| blitter_disable_render_cond(ctx); |
| |
| /* bind states */ |
| pipe->bind_blend_state(pipe, cbsurf ? ctx->blend[PIPE_MASK_RGBA] : |
| ctx->blend[0]); |
| pipe->bind_depth_stencil_alpha_state(pipe, dsa_stage); |
| ctx->bind_fs_state(pipe, ctx->fs_empty); |
| 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, FALSE, FALSE); |
| 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_restore_render_cond(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; |
| unsigned offsets[PIPE_MAX_SO_BUFFERS] = {0}; |
| |
| 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); |
| blitter_disable_render_cond(ctx); |
| |
| vb.buffer = src; |
| vb.buffer_offset = srcx; |
| vb.stride = 4; |
| |
| pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, &vb); |
| pipe->bind_vertex_elements_state(pipe, ctx->velem_state_readbuf[0]); |
| 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, offsets); |
| |
| util_draw_arrays(pipe, PIPE_PRIM_POINTS, 0, size / 4); |
| |
| blitter_restore_vertex_states(ctx); |
| blitter_restore_render_cond(ctx); |
| blitter_unset_running_flag(ctx); |
| pipe_so_target_reference(&so_target, NULL); |
| } |
| |
| void util_blitter_clear_buffer(struct blitter_context *blitter, |
| struct pipe_resource *dst, |
| unsigned offset, unsigned size, |
| unsigned num_channels, |
| const union pipe_color_union *clear_value) |
| { |
| struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; |
| struct pipe_context *pipe = ctx->base.pipe; |
| struct pipe_vertex_buffer vb = {0}; |
| struct pipe_stream_output_target *so_target; |
| unsigned offsets[PIPE_MAX_SO_BUFFERS] = {0}; |
| |
| assert(num_channels >= 1); |
| assert(num_channels <= 4); |
| |
| /* IMPORTANT: DON'T DO ANY BOUNDS CHECKING HERE! |
| * |
| * R600 uses this to initialize texture resources, so width0 might not be |
| * what you think it is. |
| */ |
| |
| /* Streamout is required. */ |
| if (!ctx->has_stream_out) { |
| assert(!"Streamout unsupported in util_blitter_clear_buffer()"); |
| return; |
| } |
| |
| /* Some alignment is required. */ |
| if (offset % 4 != 0 || size % 4 != 0) { |
| assert(!"Bad alignment in util_blitter_clear_buffer()"); |
| return; |
| } |
| |
| u_upload_data(ctx->upload, 0, num_channels*4, clear_value, |
| &vb.buffer_offset, &vb.buffer); |
| vb.stride = 0; |
| |
| blitter_set_running_flag(ctx); |
| blitter_check_saved_vertex_states(ctx); |
| blitter_disable_render_cond(ctx); |
| |
| pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, &vb); |
| pipe->bind_vertex_elements_state(pipe, |
| ctx->velem_state_readbuf[num_channels-1]); |
| 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, offset, size); |
| pipe->set_stream_output_targets(pipe, 1, &so_target, offsets); |
| |
| util_draw_arrays(pipe, PIPE_PRIM_POINTS, 0, size / 4); |
| |
| blitter_restore_vertex_states(ctx); |
| blitter_restore_render_cond(ctx); |
| blitter_unset_running_flag(ctx); |
| pipe_so_target_reference(&so_target, NULL); |
| pipe_resource_reference(&vb.buffer, 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, |
| enum pipe_format format) |
| { |
| 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); |
| blitter_disable_render_cond(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); |
| ctx->bind_fs_state(pipe, ctx->fs_write_one_cbuf); |
| pipe->set_sample_mask(pipe, sample_mask); |
| |
| memset(&surf_tmpl, 0, sizeof(surf_tmpl)); |
| surf_tmpl.format = format; |
| surf_tmpl.u.tex.level = dst_level; |
| surf_tmpl.u.tex.first_layer = dst_layer; |
| surf_tmpl.u.tex.last_layer = dst_layer; |
| |
| 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, FALSE, FALSE); |
| 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_restore_render_cond(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); |
| blitter_disable_render_cond(ctx); |
| |
| /* bind states */ |
| pipe->bind_blend_state(pipe, custom_blend ? custom_blend |
| : ctx->blend[PIPE_MASK_RGBA]); |
| pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); |
| ctx->bind_fs_state(pipe, ctx->fs_write_one_cbuf); |
| 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, FALSE, FALSE); |
| 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_restore_render_cond(ctx); |
| blitter_unset_running_flag(ctx); |
| } |