diff options
Diffstat (limited to 'src/gallium/drivers/freedreno/freedreno_vbo.c')
| -rw-r--r-- | src/gallium/drivers/freedreno/freedreno_vbo.c | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/src/gallium/drivers/freedreno/freedreno_vbo.c b/src/gallium/drivers/freedreno/freedreno_vbo.c new file mode 100644 index 00000000000..fc33539e213 --- /dev/null +++ b/src/gallium/drivers/freedreno/freedreno_vbo.c @@ -0,0 +1,232 @@ +/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ + +/* + * Copyright (C) 2012 Rob Clark <[email protected]> + * + * 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 <[email protected]> + */ + +#include "pipe/p_state.h" +#include "util/u_string.h" +#include "util/u_memory.h" +#include "util/u_prim.h" + +#include "freedreno_vbo.h" +#include "freedreno_context.h" +#include "freedreno_state.h" +#include "freedreno_zsa.h" +#include "freedreno_resource.h" +#include "freedreno_util.h" + + +static void * +fd_vertex_state_create(struct pipe_context *pctx, unsigned num_elements, + const struct pipe_vertex_element *elements) +{ + struct fd_vertex_stateobj *so = CALLOC_STRUCT(fd_vertex_stateobj); + + if (!so) + return NULL; + + memcpy(so->pipe, elements, sizeof(*elements) * num_elements); + so->num_elements = num_elements; + + return so; +} + +static void +fd_vertex_state_delete(struct pipe_context *pctx, void *hwcso) +{ + FREE(hwcso); +} + +static void +fd_vertex_state_bind(struct pipe_context *pctx, void *hwcso) +{ + struct fd_context *ctx = fd_context(pctx); + ctx->vtx = hwcso; + ctx->dirty |= FD_DIRTY_VTX; +} + +static void +emit_cacheflush(struct fd_ringbuffer *ring) +{ + unsigned i; + + for (i = 0; i < 12; i++) { + OUT_PKT3(ring, CP_EVENT_WRITE, 1); + OUT_RING(ring, CACHE_FLUSH); + } +} + +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; +} + +static void +emit_vertexbufs(struct fd_context *ctx, unsigned count) +{ + struct fd_vertex_stateobj *vtx = ctx->vtx; + struct fd_vertexbuf_stateobj *vertexbuf = &ctx->vertexbuf; + struct fd_vertex_buf bufs[PIPE_MAX_ATTRIBS]; + unsigned i; + + if (!vtx->num_elements) + return; + + for (i = 0; i < vtx->num_elements; i++) { + struct pipe_vertex_element *elem = &vtx->pipe[i]; + struct pipe_vertex_buffer *vb = + &vertexbuf->vb[elem->vertex_buffer_index]; + bufs[i].offset = vb->buffer_offset; + bufs[i].size = count * vb->stride; + bufs[i].prsc = vb->buffer; + } + + // NOTE I believe the 0x78 (or 0x9c in solid_vp) relates to the + // CONST(20,0) (or CONST(26,0) in soliv_vp) + + fd_emit_vertex_bufs(ctx->ring, 0x78, bufs, vtx->num_elements); +} + +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 *fb = &ctx->framebuffer.base; + struct fd_ringbuffer *ring = ctx->ring; + 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; + unsigned buffers; + + ctx->needs_flush = true; + + if (info->indexed) { + struct pipe_index_buffer *idx = &ctx->indexbuf; + + 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; + } + + fd_resource(fb->cbufs[0]->texture)->dirty = true; + + /* figure out the buffers we need: */ + buffers = FD_BUFFER_COLOR; + if (fd_depth_enabled(ctx->zsa)) { + buffers |= FD_BUFFER_DEPTH; + fd_resource(fb->zsbuf->texture)->dirty = true; + } + if (fd_stencil_enabled(ctx->zsa)) { + buffers |= FD_BUFFER_STENCIL; + fd_resource(fb->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; + + fd_state_emit(pctx, ctx->dirty); + + emit_vertexbufs(ctx, info->count); + + OUT_PKT3(ring, CP_SET_CONSTANT, 2); + OUT_RING(ring, CP_REG(REG_VGT_INDX_OFFSET)); + OUT_RING(ring, info->start); + + OUT_PKT3(ring, CP_SET_CONSTANT, 2); + OUT_RING(ring, CP_REG(REG_VGT_VERTEX_REUSE_BLOCK_CNTL)); + OUT_RING(ring, 0x0000003b); + + OUT_PKT0(ring, REG_TC_CNTL_STATUS, 1); + OUT_RING(ring, TC_CNTL_STATUS_L2_INVALIDATE); + + OUT_PKT3(ring, CP_WAIT_FOR_IDLE, 1); + OUT_RING(ring, 0x0000000); + + 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); + } + + OUT_PKT3(ring, CP_SET_CONSTANT, 2); + OUT_RING(ring, CP_REG(REG_2010)); + OUT_RING(ring, 0x00000000); + + emit_cacheflush(ring); +} + +void +fd_vbo_init(struct pipe_context *pctx) +{ + pctx->create_vertex_elements_state = fd_vertex_state_create; + pctx->delete_vertex_elements_state = fd_vertex_state_delete; + pctx->bind_vertex_elements_state = fd_vertex_state_bind; + pctx->draw_vbo = fd_draw_vbo; +} |