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| /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ |
| |
| /* |
| * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org> |
| * |
| * 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 <robclark@freedesktop.org> |
| */ |
| |
| #ifndef FREEDRENO_CONTEXT_H_ |
| #define FREEDRENO_CONTEXT_H_ |
| |
| #include "draw/draw_context.h" |
| #include "pipe/p_context.h" |
| #include "util/u_blitter.h" |
| #include "util/u_slab.h" |
| #include "util/u_string.h" |
| |
| #include "freedreno_screen.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_gmem_stateobj { |
| struct pipe_scissor_state scissor; |
| uint cpp; |
| uint16_t minx, miny; |
| uint16_t bin_h, nbins_y; |
| uint16_t bin_w, nbins_x; |
| uint16_t width, height; |
| }; |
| |
| struct fd_context { |
| struct pipe_context base; |
| |
| struct fd_screen *screen; |
| struct blitter_context *blitter; |
| |
| struct util_slab_mempool transfer_pool; |
| |
| /* 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; |
| |
| 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; |
| |
| /* 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, uint32_t xoff, uint32_t yoff, |
| uint32_t bin_w, uint32_t bin_h); |
| void (*emit_tile_mem2gmem)(struct fd_context *ctx, uint32_t xoff, uint32_t yoff, |
| uint32_t bin_w, uint32_t bin_h); |
| void (*emit_tile_renderprep)(struct fd_context *ctx, uint32_t xoff, uint32_t yoff, |
| uint32_t bin_w, uint32_t bin_h); |
| void (*emit_tile_gmem2mem)(struct fd_context *ctx, uint32_t xoff, uint32_t yoff, |
| uint32_t bin_w, uint32_t bin_h); |
| |
| /* 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; |
| } |
| |
| struct pipe_context * fd_context_init(struct fd_context *ctx, |
| struct pipe_screen *pscreen, void *priv); |
| |
| void fd_context_render(struct pipe_context *pctx); |
| |
| void fd_context_destroy(struct pipe_context *pctx); |
| |
| #endif /* FREEDRENO_CONTEXT_H_ */ |