diff options
Diffstat (limited to 'src/gallium/drivers/freedreno/freedreno_draw.c')
| -rw-r--r-- | src/gallium/drivers/freedreno/freedreno_draw.c | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/src/gallium/drivers/freedreno/freedreno_draw.c b/src/gallium/drivers/freedreno/freedreno_draw.c new file mode 100644 index 00000000000..2b7c16847dc --- /dev/null +++ b/src/gallium/drivers/freedreno/freedreno_draw.c @@ -0,0 +1,212 @@ +/* -*- 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> + */ + +#include "pipe/p_state.h" +#include "util/u_string.h" +#include "util/u_memory.h" +#include "util/u_prim.h" +#include "util/u_format.h" + +#include "freedreno_draw.h" +#include "freedreno_context.h" +#include "freedreno_state.h" +#include "freedreno_resource.h" +#include "freedreno_util.h" + + +static enum pc_di_primtype +mode2primtype(unsigned mode) +{ + switch (mode) { + case PIPE_PRIM_POINTS: return DI_PT_POINTLIST; + case PIPE_PRIM_LINES: return DI_PT_LINELIST; + case PIPE_PRIM_LINE_STRIP: return DI_PT_LINESTRIP; + case PIPE_PRIM_TRIANGLES: return DI_PT_TRILIST; + case PIPE_PRIM_TRIANGLE_STRIP: return DI_PT_TRISTRIP; + case PIPE_PRIM_TRIANGLE_FAN: return DI_PT_TRIFAN; + case PIPE_PRIM_QUADS: return DI_PT_QUADLIST; + case PIPE_PRIM_QUAD_STRIP: return DI_PT_QUADSTRIP; + case PIPE_PRIM_POLYGON: return DI_PT_POLYGON; + } + DBG("unsupported mode: (%s) %d", u_prim_name(mode), mode); + assert(0); + return DI_PT_NONE; +} + +static enum pc_di_index_size +size2indextype(unsigned index_size) +{ + switch (index_size) { + case 1: return INDEX_SIZE_8_BIT; + case 2: return INDEX_SIZE_16_BIT; + case 4: return INDEX_SIZE_32_BIT; + } + DBG("unsupported index size: %d", index_size); + assert(0); + return INDEX_SIZE_IGN; +} + +/* this is same for a2xx/a3xx, so split into helper: */ +void +fd_draw_emit(struct fd_context *ctx, const struct pipe_draw_info *info) +{ + struct fd_ringbuffer *ring = ctx->ring; + struct pipe_index_buffer *idx = &ctx->indexbuf; + struct fd_bo *idx_bo = NULL; + enum pc_di_index_size idx_type = INDEX_SIZE_IGN; + enum pc_di_src_sel src_sel; + uint32_t idx_size, idx_offset; + + if (info->indexed) { + assert(!idx->user_buffer); + + idx_bo = fd_resource(idx->buffer)->bo; + idx_type = size2indextype(idx->index_size); + idx_size = idx->index_size * info->count; + idx_offset = idx->offset; + src_sel = DI_SRC_SEL_DMA; + } else { + idx_bo = NULL; + idx_type = INDEX_SIZE_IGN; + idx_size = 0; + idx_offset = 0; + src_sel = DI_SRC_SEL_AUTO_INDEX; + } + + OUT_PKT3(ring, CP_DRAW_INDX, info->indexed ? 5 : 3); + OUT_RING(ring, 0x00000000); /* viz query info. */ + OUT_RING(ring, DRAW(mode2primtype(info->mode), + src_sel, idx_type, IGNORE_VISIBILITY)); + OUT_RING(ring, info->count); /* NumIndices */ + if (info->indexed) { + OUT_RELOC(ring, idx_bo, idx_offset, 0); + OUT_RING (ring, idx_size); + } +} + +static void +fd_draw_vbo(struct pipe_context *pctx, const struct pipe_draw_info *info) +{ + struct fd_context *ctx = fd_context(pctx); + struct pipe_framebuffer_state *pfb = &ctx->framebuffer; + unsigned buffers; + + /* if we supported transform feedback, we'd have to disable this: */ + if (((ctx->scissor.maxx - ctx->scissor.minx) * + (ctx->scissor.maxy - ctx->scissor.miny)) == 0) { + return; + } + + ctx->needs_flush = true; + + fd_resource(pfb->cbufs[0]->texture)->dirty = true; + + /* figure out the buffers we need: */ + buffers = FD_BUFFER_COLOR; + if (fd_depth_enabled(ctx)) { + buffers |= FD_BUFFER_DEPTH; + fd_resource(pfb->zsbuf->texture)->dirty = true; + } + if (fd_stencil_enabled(ctx)) { + buffers |= FD_BUFFER_STENCIL; + fd_resource(pfb->zsbuf->texture)->dirty = true; + } + + /* any buffers that haven't been cleared, we need to restore: */ + ctx->restore |= buffers & (FD_BUFFER_ALL & ~ctx->cleared); + /* and any buffers used, need to be resolved: */ + ctx->resolve |= buffers; + + ctx->draw(ctx, info); +} + +/* TODO figure out how to make better use of existing state mechanism + * for clear (and possibly gmem->mem / mem->gmem) so we can (a) keep + * track of what state really actually changes, and (b) reduce the code + * in the a2xx/a3xx parts. + */ + +static void +fd_clear(struct pipe_context *pctx, unsigned buffers, + const union pipe_color_union *color, double depth, unsigned stencil) +{ + struct fd_context *ctx = fd_context(pctx); + struct pipe_framebuffer_state *pfb = &ctx->framebuffer; + + ctx->cleared |= buffers; + ctx->resolve |= buffers; + ctx->needs_flush = true; + + if (buffers & PIPE_CLEAR_COLOR) + fd_resource(pfb->cbufs[0]->texture)->dirty = true; + + if (buffers & (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL)) + fd_resource(pfb->zsbuf->texture)->dirty = true; + + DBG("%x depth=%f, stencil=%u (%s/%s)", buffers, depth, stencil, + util_format_name(pfb->cbufs[0]->format), + pfb->zsbuf ? util_format_name(pfb->zsbuf->format) : "none"); + + ctx->clear(ctx, buffers, color, depth, stencil); + + ctx->dirty |= FD_DIRTY_ZSA | + FD_DIRTY_RASTERIZER | + FD_DIRTY_SAMPLE_MASK | + FD_DIRTY_PROG | + FD_DIRTY_CONSTBUF | + FD_DIRTY_BLEND; + + if (fd_mesa_debug & FD_DBG_DCLEAR) + ctx->dirty = 0xffffffff; +} + +static void +fd_clear_render_target(struct pipe_context *pctx, struct pipe_surface *ps, + const union pipe_color_union *color, + unsigned x, unsigned y, unsigned w, unsigned h) +{ + DBG("TODO: x=%u, y=%u, w=%u, h=%u", x, y, w, h); +} + +static void +fd_clear_depth_stencil(struct pipe_context *pctx, struct pipe_surface *ps, + unsigned buffers, double depth, unsigned stencil, + unsigned x, unsigned y, unsigned w, unsigned h) +{ + DBG("TODO: buffers=%u, depth=%f, stencil=%u, x=%u, y=%u, w=%u, h=%u", + buffers, depth, stencil, x, y, w, h); +} + +void +fd_draw_init(struct pipe_context *pctx) +{ + pctx->draw_vbo = fd_draw_vbo; + pctx->clear = fd_clear; + pctx->clear_render_target = fd_clear_render_target; + pctx->clear_depth_stencil = fd_clear_depth_stencil; +} |