/************************************************************************** * * Copyright 2009 Marek Olšák * * 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[4]; /**< 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]; void *fs_texfetch_col_uint[PIPE_MAX_TEXTURE_TYPES]; void *fs_texfetch_col_sint[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_col_msaa_uint[PIPE_MAX_TEXTURE_TYPES]; void *fs_texfetch_col_msaa_sint[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]; /* Blend state. */ void *blend[PIPE_MASK_RGBA+1][2]; /**< 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_tessellation; boolean has_layered; boolean has_stream_out; boolean has_stencil_export; boolean has_texture_multisample; boolean cached_all_shaders; /* 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, j; 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_tessellation = pipe->screen->get_shader_param(pipe->screen, PIPE_SHADER_TESS_CTRL, 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++) { for (j = 0; j < 2; j++) { memset(&blend.rt[0], 0, sizeof(blend.rt[0])); blend.rt[0].colormask = i; if (j) { blend.rt[0].blend_enable = 1; blend.rt[0].rgb_func = PIPE_BLEND_ADD; blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_SRC_ALPHA; blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_INV_SRC_ALPHA; blend.rt[0].alpha_func = PIPE_BLEND_ADD; blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_SRC_ALPHA; blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_INV_SRC_ALPHA; } ctx->blend[i][j] = 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]); } } ctx->has_layered = pipe->screen->get_param(pipe->screen, PIPE_CAP_TGSI_INSTANCEID) && pipe->screen->get_param(pipe->screen, PIPE_CAP_TGSI_VS_LAYER_VIEWPORT); /* 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, PIPE_BIND_VERTEX_BUFFER, PIPE_USAGE_STREAM); return &ctx->base; } static void bind_vs_pos_only(struct blitter_context_priv *ctx, unsigned num_so_channels) { struct pipe_context *pipe = ctx->base.pipe; int index = num_so_channels ? num_so_channels - 1 : 0; if (!ctx->vs_pos_only[index]) { 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 = num_so_channels; so.stride[0] = num_so_channels; ctx->vs_pos_only[index] = util_make_vertex_passthrough_shader_with_so(pipe, 1, semantic_names, semantic_indices, FALSE, &so); } pipe->bind_vs_state(pipe, ctx->vs_pos_only[index]); } static void bind_vs_passthrough(struct blitter_context_priv *ctx) { struct pipe_context *pipe = ctx->base.pipe; if (!ctx->vs) { 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, FALSE); } pipe->bind_vs_state(pipe, ctx->vs); } static void bind_vs_layered(struct blitter_context_priv *ctx) { struct pipe_context *pipe = ctx->base.pipe; if (!ctx->vs_layered) { ctx->vs_layered = util_make_layered_clear_vertex_shader(pipe); } pipe->bind_vs_state(pipe, ctx->vs_layered); } static void bind_fs_empty(struct blitter_context_priv *ctx) { struct pipe_context *pipe = ctx->base.pipe; if (!ctx->fs_empty) { assert(!ctx->cached_all_shaders); ctx->fs_empty = util_make_empty_fragment_shader(pipe); } ctx->bind_fs_state(pipe, ctx->fs_empty); } static void bind_fs_write_one_cbuf(struct blitter_context_priv *ctx) { struct pipe_context *pipe = ctx->base.pipe; if (!ctx->fs_write_one_cbuf) { assert(!ctx->cached_all_shaders); ctx->fs_write_one_cbuf = util_make_fragment_passthrough_shader(pipe, TGSI_SEMANTIC_GENERIC, TGSI_INTERPOLATE_CONSTANT, FALSE); } ctx->bind_fs_state(pipe, ctx->fs_write_one_cbuf); } static void bind_fs_write_all_cbufs(struct blitter_context_priv *ctx) { struct pipe_context *pipe = ctx->base.pipe; if (!ctx->fs_write_all_cbufs) { assert(!ctx->cached_all_shaders); ctx->fs_write_all_cbufs = util_make_fragment_passthrough_shader(pipe, TGSI_SEMANTIC_GENERIC, TGSI_INTERPOLATE_CONSTANT, TRUE); } ctx->bind_fs_state(pipe, ctx->fs_write_all_cbufs); } void util_blitter_destroy(struct blitter_context *blitter) { struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; struct pipe_context *pipe = blitter->pipe; unsigned i, j, f; for (i = 0; i <= PIPE_MASK_RGBA; i++) for (j = 0; j < 2; j++) pipe->delete_blend_state(pipe, ctx->blend[i][j]); for (i = 0; i < ARRAY_SIZE(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); if (ctx->vs) pipe->delete_vs_state(pipe, ctx->vs); for (i = 0; i < 4; i++) if (ctx->vs_pos_only[i]) pipe->delete_vs_state(pipe, ctx->vs_pos_only[i]); 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_col_sint[i]) ctx->delete_fs_state(pipe, ctx->fs_texfetch_col_sint[i]); if (ctx->fs_texfetch_col_uint[i]) ctx->delete_fs_state(pipe, ctx->fs_texfetch_col_uint[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]); if (ctx->fs_texfetch_col_msaa[i]) ctx->delete_fs_state(pipe, ctx->fs_texfetch_col_msaa[i]); if (ctx->fs_texfetch_col_msaa_sint[i]) ctx->delete_fs_state(pipe, ctx->fs_texfetch_col_msaa_sint[i]); if (ctx->fs_texfetch_col_msaa_uint[i]) ctx->delete_fs_state(pipe, ctx->fs_texfetch_col_msaa_uint[i]); if (ctx->fs_texfetch_depth_msaa[i]) ctx->delete_fs_state(pipe, ctx->fs_texfetch_depth_msaa[i]); if (ctx->fs_texfetch_depthstencil_msaa[i]) ctx->delete_fs_state(pipe, ctx->fs_texfetch_depthstencil_msaa[i]); if (ctx->fs_texfetch_stencil_msaa[i]) ctx->delete_fs_state(pipe, ctx->fs_texfetch_stencil_msaa[i]); for (j = 0; j< ARRAY_SIZE(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]); } if (ctx->fs_empty) ctx->delete_fs_state(pipe, ctx->fs_empty); if (ctx->fs_write_one_cbuf) ctx->delete_fs_state(pipe, ctx->fs_write_one_cbuf); if (ctx->fs_write_all_cbufs) 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; ctx->base.pipe->set_active_query_state(ctx->base.pipe, false); } 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; ctx->base.pipe->set_active_query_state(ctx->base.pipe, true); } 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_tessellation || ctx->base.saved_tcs != INVALID_PTR); assert(!ctx->has_tessellation || ctx->base.saved_tes != INVALID_PTR); assert(!ctx->has_stream_out || ctx->base.saved_num_so_targets != ~0u); 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; } if (ctx->has_tessellation) { pipe->bind_tcs_state(pipe, ctx->base.saved_tcs); pipe->bind_tes_state(pipe, ctx->base.saved_tes); ctx->base.saved_tcs = INVALID_PTR; ctx->base.saved_tes = 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 != ~0u); } 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 != ~0u); assert(ctx->base.saved_num_sampler_views != ~0u); } 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.translate[0] = 0.5f * ctx->dst_width; ctx->viewport.translate[1] = 0.5f * ctx->dst_height; ctx->viewport.translate[2] = 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, float 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((unsigned)layer % 6, /* pointer, stride in floats */ &face_coord[0][0], 2, &ctx->vertices[0][1][0], 8, FALSE); } 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) ((unsigned)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); enum tgsi_return_type stype; assert(target < PIPE_MAX_TEXTURE_TYPES); if (util_format_is_pure_uint(format)) stype = TGSI_RETURN_TYPE_UINT; else if (util_format_is_pure_sint(format)) stype = TGSI_RETURN_TYPE_SINT; else stype = TGSI_RETURN_TYPE_FLOAT; if (src_nr_samples > 1) { void **shader; /* OpenGL requires that integer textures just copy 1 sample instead * of averaging. */ if (dst_nr_samples <= 1 && stype != TGSI_RETURN_TYPE_UINT && stype != TGSI_RETURN_TYPE_SINT) { /* The destination has one sample, so we'll do color resolve. */ unsigned index = GET_MSAA_RESOLVE_FS_IDX(src_nr_samples); assert(filter < 2); shader = &ctx->fs_resolve[target][index][filter]; if (!*shader) { assert(!ctx->cached_all_shaders); if (filter == PIPE_TEX_FILTER_LINEAR) { *shader = util_make_fs_msaa_resolve_bilinear(pipe, tgsi_tex, src_nr_samples, stype); } else { *shader = util_make_fs_msaa_resolve(pipe, tgsi_tex, src_nr_samples, stype); } } } else { /* The destination has multiple samples, we'll do * an MSAA->MSAA copy. */ if (stype == TGSI_RETURN_TYPE_UINT) shader = &ctx->fs_texfetch_col_msaa_uint[target]; else if (stype == TGSI_RETURN_TYPE_SINT) shader = &ctx->fs_texfetch_col_msaa_sint[target]; else shader = &ctx->fs_texfetch_col_msaa[target]; /* Create the fragment shader on-demand. */ if (!*shader) { assert(!ctx->cached_all_shaders); *shader = util_make_fs_blit_msaa_color(pipe, tgsi_tex, stype); } } return *shader; } else { void **shader; if (stype == TGSI_RETURN_TYPE_UINT) shader = &ctx->fs_texfetch_col_uint[target]; else if (stype == TGSI_RETURN_TYPE_SINT) shader = &ctx->fs_texfetch_col_sint[target]; else shader = &ctx->fs_texfetch_col[target]; /* Create the fragment shader on-demand. */ if (!*shader) { assert(!ctx->cached_all_shaders); *shader = util_make_fragment_tex_shader(pipe, tgsi_tex, TGSI_INTERPOLATE_LINEAR, stype); } 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; assert(!ctx->cached_all_shaders); 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; assert(!ctx->cached_all_shaders); 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; assert(!ctx->cached_all_shaders); 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; assert(!ctx->cached_all_shaders); 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; assert(!ctx->cached_all_shaders); 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; assert(!ctx->cached_all_shaders); 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; } } /** * Generate and save all fragment shaders that we will ever need for * blitting. Drivers which use the 'draw' fallbacks will typically use * this to make sure we generate/use shaders that don't go through the * draw module's wrapper functions. */ void util_blitter_cache_all_shaders(struct blitter_context *blitter) { struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; struct pipe_context *pipe = blitter->pipe; struct pipe_screen *screen = 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_col(ctx, PIPE_FORMAT_R32_UINT, target, samples, samples, 0); blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_SINT, 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); } } } } 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); ctx->cached_all_shaders = TRUE; } 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); if (vs_layered) bind_vs_layered(ctx); else bind_vs_passthrough(ctx); if (ctx->has_geometry_shader) pipe->bind_gs_state(pipe, NULL); if (ctx->has_tessellation) { pipe->bind_tcs_state(pipe, NULL); pipe->bind_tes_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), 4, ctx->vertices, &vb.buffer_offset, &vb.buffer); if (!vb.buffer) return; 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][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->has_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); bind_fs_write_all_cbufs(ctx); pipe->set_sample_mask(pipe, ~0); blitter_set_dst_dimensions(ctx, width, height); if (num_layers > 1 && ctx->has_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->target = src->target; 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_X; src_templ->swizzle_g = PIPE_SWIZZLE_Y; src_templ->swizzle_b = PIPE_SWIZZLE_Z; src_templ->swizzle_a = PIPE_SWIZZLE_W; } 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, FALSE); 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, boolean alpha_blend) { struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter; struct pipe_context *pipe = ctx->base.pipe; struct pipe_framebuffer_state fb_state = {0}; 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][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 { unsigned colormask = mask & PIPE_MASK_RGBA; pipe->bind_blend_state(pipe, ctx->blend[colormask][alpha_blend]); 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 dst_z; for (dst_z = 0; dst_z < dstbox->depth; dst_z++) { struct pipe_surface *old; float dst2src_scale = srcbox->depth / (float)dstbox->depth; /* Scale Z properly if the blit is scaled. * * When downscaling, we want the coordinates centered, so that * mipmapping works for 3D textures. For example, when generating * a 4x4x4 level, this wouldn't average the pixels: * * src Z: 0 1 2 3 4 5 6 7 * dst Z: 0 1 2 3 * * Because the pixels are not centered below the pixels of the higher * level. Therefore, we want this: * src Z: 0 1 2 3 4 5 6 7 * dst Z: 0 1 2 3 * * dst_offset defines the offset needed for centering the pixels and * it works with any scaling (not just 2x). */ float dst_offset = ((srcbox->depth - 1) - (dstbox->depth - 1) * dst2src_scale) * 0.5; float src_z = (dst_z + dst_offset) * dst2src_scale; /* 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 + src_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 + src_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 (dst_z < dstbox->depth-1) { dst = ctx->base.get_next_surface_layer(ctx->base.pipe, dst); } if (dst_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, info->alpha_blend); 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; unsigned num_layers; 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][0]); pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); bind_fs_write_one_cbuf(ctx); 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_dst_dimensions(ctx, dstsurf->width, dstsurf->height); num_layers = dstsurf->u.tex.last_layer - dstsurf->u.tex.first_layer + 1; if (num_layers > 1 && ctx->has_layered) { blitter_set_common_draw_rect_state(ctx, FALSE, TRUE); blitter_set_clear_color(ctx, color); blitter_draw(ctx, dstx, dsty, dstx+width, dsty+height, 0, num_layers); } else { blitter_set_common_draw_rect_state(ctx, FALSE, FALSE); 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 } }; unsigned num_layers; 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][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); bind_fs_empty(ctx); 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_dst_dimensions(ctx, dstsurf->width, dstsurf->height); num_layers = dstsurf->u.tex.last_layer - dstsurf->u.tex.first_layer + 1; if (num_layers > 1 && ctx->has_layered) { blitter_set_common_draw_rect_state(ctx, FALSE, TRUE); blitter_draw(ctx, dstx, dsty, dstx+width, dsty+height, (float) depth, num_layers); } else { blitter_set_common_draw_rect_state(ctx, FALSE, FALSE); 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][0] : ctx->blend[0][0]); pipe->bind_depth_stencil_alpha_state(pipe, dsa_stage); if (cbsurf) bind_fs_write_one_cbuf(ctx); else bind_fs_empty(ctx); 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]); bind_vs_pos_only(ctx, 1); if (ctx->has_geometry_shader) pipe->bind_gs_state(pipe, NULL); if (ctx->has_tessellation) { pipe->bind_tcs_state(pipe, NULL); pipe->bind_tes_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 = NULL; 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, 4, clear_value, &vb.buffer_offset, &vb.buffer); if (!vb.buffer) goto out; 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]); bind_vs_pos_only(ctx, num_channels); if (ctx->has_geometry_shader) pipe->bind_gs_state(pipe, NULL); if (ctx->has_tessellation) { pipe->bind_tcs_state(pipe, NULL); pipe->bind_tes_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); out: 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); bind_fs_write_one_cbuf(ctx); 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][0]); pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil); bind_fs_write_one_cbuf(ctx); 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); }