/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ /* * Copyright (C) 2012 Rob Clark * * 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, sublicense, * 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 NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS 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. * * Authors: * Rob Clark */ #ifndef FREEDRENO_CONTEXT_H_ #define FREEDRENO_CONTEXT_H_ #include "draw/draw_context.h" #include "pipe/p_context.h" #include "indices/u_primconvert.h" #include "util/u_blitter.h" #include "util/u_slab.h" #include "util/u_string.h" #include "freedreno_screen.h" #include "freedreno_gmem.h" struct fd_vertex_stateobj; struct fd_texture_stateobj { struct pipe_sampler_view *textures[PIPE_MAX_SAMPLERS]; unsigned num_textures; struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS]; unsigned num_samplers; unsigned dirty_samplers; }; struct fd_program_stateobj { void *vp, *fp; enum { FD_SHADER_DIRTY_VP = (1 << 0), FD_SHADER_DIRTY_FP = (1 << 1), } dirty; uint8_t num_exports; /* Indexed by semantic name or TGSI_SEMANTIC_COUNT + semantic index * for TGSI_SEMANTIC_GENERIC. Special vs exports (position and point- * size) are not included in this */ uint8_t export_linkage[63]; }; struct fd_constbuf_stateobj { struct pipe_constant_buffer cb[PIPE_MAX_CONSTANT_BUFFERS]; uint32_t enabled_mask; uint32_t dirty_mask; }; struct fd_vertexbuf_stateobj { struct pipe_vertex_buffer vb[PIPE_MAX_ATTRIBS]; unsigned count; uint32_t enabled_mask; uint32_t dirty_mask; }; struct fd_vertex_stateobj { struct pipe_vertex_element pipe[PIPE_MAX_ATTRIBS]; unsigned num_elements; }; struct fd_context { struct pipe_context base; struct fd_screen *screen; struct blitter_context *blitter; struct primconvert_context *primconvert; struct util_slab_mempool transfer_pool; /* table with PIPE_PRIM_MAX entries mapping PIPE_PRIM_x to * DI_PT_x value to use for draw initiator. There are some * slight differences between generation: */ const uint8_t *primtypes; uint32_t primtype_mask; /* shaders used by clear, and gmem->mem blits: */ struct fd_program_stateobj solid_prog; // TODO move to screen? /* shaders used by mem->gmem blits: */ struct fd_program_stateobj blit_prog; // TODO move to screen? /* do we need to mem2gmem before rendering. We don't, if for example, * there was a glClear() that invalidated the entire previous buffer * contents. Keep track of which buffer(s) are cleared, or needs * restore. Masks of PIPE_CLEAR_* */ enum { /* align bitmask values w/ PIPE_CLEAR_*.. since that is convenient.. */ FD_BUFFER_COLOR = PIPE_CLEAR_COLOR, FD_BUFFER_DEPTH = PIPE_CLEAR_DEPTH, FD_BUFFER_STENCIL = PIPE_CLEAR_STENCIL, FD_BUFFER_ALL = FD_BUFFER_COLOR | FD_BUFFER_DEPTH | FD_BUFFER_STENCIL, } cleared, restore, resolve; bool needs_flush; /* To decide whether to render to system memory, keep track of the * number of draws, and whether any of them require multisample, * depth_test (or depth write), stencil_test, blending, and * color_logic_Op (since those functions are disabled when by- * passing GMEM. */ enum { FD_GMEM_CLEARS_DEPTH_STENCIL = 0x01, FD_GMEM_DEPTH_ENABLED = 0x02, FD_GMEM_STENCIL_ENABLED = 0x04, FD_GMEM_MSAA_ENABLED = 0x08, FD_GMEM_BLEND_ENABLED = 0x10, FD_GMEM_LOGICOP_ENABLED = 0x20, } gmem_reason; unsigned num_draws; /* we can't really sanely deal with wraparound point in ringbuffer * and because of the way tiling works we can't really flush at * arbitrary points (without a big performance hit). When we get * too close to the end of the current ringbuffer, cycle to the next * one (and wait for pending rendering from next rb to complete). * We want the # of ringbuffers to be high enough that we don't * normally have to wait before resetting to the start of the next * rb. */ struct fd_ringbuffer *rings[4]; unsigned rings_idx; struct fd_ringbuffer *ring; struct fd_ringmarker *draw_start, *draw_end; struct pipe_scissor_state scissor; /* we don't have a disable/enable bit for scissor, so instead we keep * a disabled-scissor state which matches the entire bound framebuffer * and use that when scissor is not enabled. */ struct pipe_scissor_state disabled_scissor; /* Track the maximal bounds of the scissor of all the draws within a * batch. Used at the tile rendering step (fd_gmem_render_tiles(), * mem2gmem/gmem2mem) to avoid needlessly moving data in/out of gmem. */ struct pipe_scissor_state max_scissor; /* Current gmem/tiling configuration.. gets updated on render_tiles() * if out of date with current maximal-scissor/cpp: */ struct fd_gmem_stateobj gmem; struct fd_vsc_pipe pipe[8]; struct fd_tile tile[64]; /* which state objects need to be re-emit'd: */ enum { FD_DIRTY_BLEND = (1 << 0), FD_DIRTY_RASTERIZER = (1 << 1), FD_DIRTY_ZSA = (1 << 2), FD_DIRTY_FRAGTEX = (1 << 3), FD_DIRTY_VERTTEX = (1 << 4), FD_DIRTY_TEXSTATE = (1 << 5), FD_DIRTY_PROG = (1 << 6), FD_DIRTY_BLEND_COLOR = (1 << 7), FD_DIRTY_STENCIL_REF = (1 << 8), FD_DIRTY_SAMPLE_MASK = (1 << 9), FD_DIRTY_FRAMEBUFFER = (1 << 10), FD_DIRTY_STIPPLE = (1 << 11), FD_DIRTY_VIEWPORT = (1 << 12), FD_DIRTY_CONSTBUF = (1 << 13), FD_DIRTY_VTXSTATE = (1 << 14), FD_DIRTY_VTXBUF = (1 << 15), FD_DIRTY_INDEXBUF = (1 << 16), FD_DIRTY_SCISSOR = (1 << 17), } dirty; struct pipe_blend_state *blend; struct pipe_rasterizer_state *rasterizer; struct pipe_depth_stencil_alpha_state *zsa; struct fd_texture_stateobj verttex, fragtex; struct fd_program_stateobj prog; struct fd_vertex_stateobj *vtx; struct pipe_blend_color blend_color; struct pipe_stencil_ref stencil_ref; unsigned sample_mask; struct pipe_framebuffer_state framebuffer; struct pipe_poly_stipple stipple; struct pipe_viewport_state viewport; struct fd_constbuf_stateobj constbuf[PIPE_SHADER_TYPES]; struct fd_vertexbuf_stateobj vertexbuf; struct pipe_index_buffer indexbuf; /* GMEM/tile handling fxns: */ void (*emit_tile_init)(struct fd_context *ctx); void (*emit_tile_prep)(struct fd_context *ctx, struct fd_tile *tile); void (*emit_tile_mem2gmem)(struct fd_context *ctx, struct fd_tile *tile); void (*emit_tile_renderprep)(struct fd_context *ctx, struct fd_tile *tile); void (*emit_tile_gmem2mem)(struct fd_context *ctx, struct fd_tile *tile); /* optional, for GMEM bypass: */ void (*emit_sysmem_prep)(struct fd_context *ctx); /* draw: */ void (*draw)(struct fd_context *pctx, const struct pipe_draw_info *info); void (*clear)(struct fd_context *ctx, unsigned buffers, const union pipe_color_union *color, double depth, unsigned stencil); }; static INLINE struct fd_context * fd_context(struct pipe_context *pctx) { return (struct fd_context *)pctx; } static INLINE struct pipe_scissor_state * fd_context_get_scissor(struct fd_context *ctx) { if (ctx->rasterizer && ctx->rasterizer->scissor) return &ctx->scissor; return &ctx->disabled_scissor; } static INLINE bool fd_supported_prim(struct fd_context *ctx, unsigned prim) { return (1 << prim) & ctx->primtype_mask; } struct pipe_context * fd_context_init(struct fd_context *ctx, struct pipe_screen *pscreen, const uint8_t *primtypes, void *priv); void fd_context_render(struct pipe_context *pctx); void fd_context_destroy(struct pipe_context *pctx); #endif /* FREEDRENO_CONTEXT_H_ */