diff options
Diffstat (limited to 'src/gallium/drivers/etnaviv/etnaviv_context.c')
-rw-r--r-- | src/gallium/drivers/etnaviv/etnaviv_context.c | 323 |
1 files changed, 323 insertions, 0 deletions
diff --git a/src/gallium/drivers/etnaviv/etnaviv_context.c b/src/gallium/drivers/etnaviv/etnaviv_context.c new file mode 100644 index 00000000000..d767cd1f38e --- /dev/null +++ b/src/gallium/drivers/etnaviv/etnaviv_context.c @@ -0,0 +1,323 @@ +/* + * Copyright (c) 2012-2015 Etnaviv Project + * + * 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 + * 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: + * Wladimir J. van der Laan <[email protected]> + * Christian Gmeiner <[email protected]> + */ + +#include "etnaviv_context.h" + +#include "etnaviv_blend.h" +#include "etnaviv_clear_blit.h" +#include "etnaviv_compiler.h" +#include "etnaviv_debug.h" +#include "etnaviv_emit.h" +#include "etnaviv_fence.h" +#include "etnaviv_query.h" +#include "etnaviv_rasterizer.h" +#include "etnaviv_screen.h" +#include "etnaviv_shader.h" +#include "etnaviv_state.h" +#include "etnaviv_surface.h" +#include "etnaviv_texture.h" +#include "etnaviv_transfer.h" +#include "etnaviv_translate.h" +#include "etnaviv_zsa.h" + +#include "pipe/p_context.h" +#include "pipe/p_state.h" +#include "util/u_blitter.h" +#include "util/u_memory.h" +#include "util/u_prim.h" + +#include "hw/common.xml.h" + +static void +etna_context_destroy(struct pipe_context *pctx) +{ + struct etna_context *ctx = etna_context(pctx); + + if (ctx->primconvert) + util_primconvert_destroy(ctx->primconvert); + + if (ctx->blitter) + util_blitter_destroy(ctx->blitter); + + if (ctx->stream) + etna_cmd_stream_del(ctx->stream); + + slab_destroy_child(&ctx->transfer_pool); + + FREE(pctx); +} + +/* Update render state where needed based on draw operation */ +static void +etna_update_state_for_draw(struct etna_context *ctx, const struct pipe_draw_info *info) +{ + /* Handle primitive restart: + * - If not an indexed draw, we don't care about the state of the primitive restart bit. + * - Otherwise, set the bit in INDEX_STREAM_CONTROL in the index buffer state + * accordingly + * - If the value of the INDEX_STREAM_CONTROL register changed due to this, or + * primitive restart is enabled and the restart index changed, mark the index + * buffer state as dirty + */ + + if (info->indexed) { + uint32_t new_control = ctx->index_buffer.FE_INDEX_STREAM_CONTROL; + + if (info->primitive_restart) + new_control |= VIVS_FE_INDEX_STREAM_CONTROL_PRIMITIVE_RESTART; + else + new_control &= ~VIVS_FE_INDEX_STREAM_CONTROL_PRIMITIVE_RESTART; + + if (ctx->index_buffer.FE_INDEX_STREAM_CONTROL != new_control || + (info->primitive_restart && ctx->index_buffer.FE_PRIMITIVE_RESTART_INDEX != info->restart_index)) { + ctx->index_buffer.FE_INDEX_STREAM_CONTROL = new_control; + ctx->index_buffer.FE_PRIMITIVE_RESTART_INDEX = info->restart_index; + ctx->dirty |= ETNA_DIRTY_INDEX_BUFFER; + } + } +} + + +static void +etna_draw_vbo(struct pipe_context *pctx, const struct pipe_draw_info *info) +{ + struct etna_context *ctx = etna_context(pctx); + struct pipe_framebuffer_state *pfb = &ctx->framebuffer_s; + uint32_t draw_mode; + unsigned i; + + if (ctx->vertex_elements == NULL || ctx->vertex_elements->num_elements == 0) + return; /* Nothing to do */ + + if (!(ctx->prim_hwsupport & (1 << info->mode))) { + struct primconvert_context *primconvert = ctx->primconvert; + util_primconvert_save_index_buffer(primconvert, &ctx->index_buffer.ib); + util_primconvert_save_rasterizer_state(primconvert, ctx->rasterizer); + util_primconvert_draw_vbo(primconvert, info); + return; + } + + int prims = u_decomposed_prims_for_vertices(info->mode, info->count); + if (unlikely(prims <= 0)) { + DBG("Invalid draw primitive mode=%i or no primitives to be drawn", info->mode); + return; + } + + draw_mode = translate_draw_mode(info->mode); + if (draw_mode == ETNA_NO_MATCH) { + BUG("Unsupported draw mode"); + return; + } + + if (info->indexed && !ctx->index_buffer.FE_INDEX_STREAM_BASE_ADDR.bo) { + BUG("Unsupported or no index buffer"); + return; + } + + /* Update any derived state */ + if (!etna_state_update(ctx)) + return; + + /* + * Figure out the buffers/features we need: + */ + if (etna_depth_enabled(ctx)) + resource_written(ctx, pfb->zsbuf->texture); + + if (etna_stencil_enabled(ctx)) + resource_written(ctx, pfb->zsbuf->texture); + + for (i = 0; i < pfb->nr_cbufs; i++) { + struct pipe_resource *surf; + + if (!pfb->cbufs[i]) + continue; + + surf = pfb->cbufs[i]->texture; + resource_written(ctx, surf); + } + + /* Mark constant buffers as being read */ + resource_read(ctx, ctx->constant_buffer[PIPE_SHADER_VERTEX].buffer); + resource_read(ctx, ctx->constant_buffer[PIPE_SHADER_FRAGMENT].buffer); + + /* Mark VBOs as being read */ + for (i = 0; i < ctx->vertex_buffer.count; i++) { + assert(!ctx->vertex_buffer.vb[i].user_buffer); + resource_read(ctx, ctx->vertex_buffer.vb[i].buffer); + } + + /* Mark index buffer as being read */ + resource_read(ctx, ctx->index_buffer.ib.buffer); + + /* Mark textures as being read */ + for (i = 0; i < PIPE_MAX_SAMPLERS; i++) + if (ctx->sampler_view[i]) + resource_read(ctx, ctx->sampler_view[i]->texture); + + ctx->stats.prims_emitted += u_reduced_prims_for_vertices(info->mode, info->count); + ctx->stats.draw_calls++; + + /* Update state for this draw operation */ + etna_update_state_for_draw(ctx, info); + + /* First, sync state, then emit DRAW_PRIMITIVES or DRAW_INDEXED_PRIMITIVES */ + etna_emit_state(ctx); + + if (info->indexed) + etna_draw_indexed_primitives(ctx->stream, draw_mode, info->start, prims, info->index_bias); + else + etna_draw_primitives(ctx->stream, draw_mode, info->start, prims); + + if (DBG_ENABLED(ETNA_DBG_DRAW_STALL)) { + /* Stall the FE after every draw operation. This allows better + * debug of GPU hang conditions, as the FE will indicate which + * draw op has caused the hang. */ + etna_stall(ctx->stream, SYNC_RECIPIENT_FE, SYNC_RECIPIENT_PE); + } + + if (DBG_ENABLED(ETNA_DBG_FLUSH_ALL)) + pctx->flush(pctx, NULL, 0); + + if (ctx->framebuffer.cbuf) + etna_resource(ctx->framebuffer.cbuf->texture)->seqno++; + if (ctx->framebuffer.zsbuf) + etna_resource(ctx->framebuffer.zsbuf->texture)->seqno++; +} + +static void +etna_flush(struct pipe_context *pctx, struct pipe_fence_handle **fence, + enum pipe_flush_flags flags) +{ + struct etna_context *ctx = etna_context(pctx); + + etna_cmd_stream_flush(ctx->stream); + + if (fence) + *fence = etna_fence_create(pctx); +} + +static void +etna_cmd_stream_reset_notify(struct etna_cmd_stream *stream, void *priv) +{ + struct etna_context *ctx = priv; + struct etna_resource *rsc, *rsc_tmp; + + etna_set_state(stream, VIVS_GL_API_MODE, VIVS_GL_API_MODE_OPENGL); + etna_set_state(stream, VIVS_GL_VERTEX_ELEMENT_CONFIG, 0x00000001); + etna_set_state(stream, VIVS_RA_EARLY_DEPTH, 0x00000031); + etna_set_state(stream, VIVS_PA_W_CLIP_LIMIT, 0x34000001); + + ctx->dirty = ~0L; + + /* go through all the used resources and clear their status flag */ + LIST_FOR_EACH_ENTRY_SAFE(rsc, rsc_tmp, &ctx->used_resources, list) + { + debug_assert(rsc->status != 0); + rsc->status = 0; + rsc->pending_ctx = NULL; + list_delinit(&rsc->list); + } + + assert(LIST_IS_EMPTY(&ctx->used_resources)); +} + +struct pipe_context * +etna_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags) +{ + struct etna_context *ctx = CALLOC_STRUCT(etna_context); + struct etna_screen *screen; + struct pipe_context *pctx = NULL; + + if (ctx == NULL) + return NULL; + + screen = etna_screen(pscreen); + ctx->stream = etna_cmd_stream_new(screen->pipe, 0x2000, &etna_cmd_stream_reset_notify, ctx); + if (ctx->stream == NULL) + goto fail; + + pctx = &ctx->base; + pctx->priv = ctx; + pctx->screen = pscreen; + + /* context ctxate setup */ + ctx->specs = screen->specs; + ctx->screen = screen; + /* need some sane default in case state tracker doesn't set some state: */ + ctx->sample_mask = 0xffff; + + list_inithead(&ctx->used_resources); + + /* Set sensible defaults for state */ + etna_cmd_stream_reset_notify(ctx->stream, ctx); + + pctx->destroy = etna_context_destroy; + pctx->draw_vbo = etna_draw_vbo; + pctx->flush = etna_flush; + + /* creation of compile states */ + pctx->create_blend_state = etna_blend_state_create; + pctx->create_rasterizer_state = etna_rasterizer_state_create; + pctx->create_depth_stencil_alpha_state = etna_zsa_state_create; + + etna_clear_blit_init(pctx); + etna_query_context_init(pctx); + etna_state_init(pctx); + etna_surface_init(pctx); + etna_shader_init(pctx); + etna_texture_init(pctx); + etna_transfer_init(pctx); + + ctx->blitter = util_blitter_create(pctx); + if (!ctx->blitter) + goto fail; + + /* Generate the bitmask of supported draw primitives. */ + ctx->prim_hwsupport = 1 << PIPE_PRIM_POINTS | + 1 << PIPE_PRIM_LINES | + 1 << PIPE_PRIM_LINE_STRIP | + 1 << PIPE_PRIM_TRIANGLES | + 1 << PIPE_PRIM_TRIANGLE_STRIP | + 1 << PIPE_PRIM_TRIANGLE_FAN; + + if (VIV_FEATURE(ctx->screen, chipMinorFeatures2, LINE_LOOP)) + ctx->prim_hwsupport |= 1 << PIPE_PRIM_LINE_LOOP; + + ctx->primconvert = util_primconvert_create(pctx, ctx->prim_hwsupport); + if (!ctx->primconvert) + goto fail; + + slab_create_child(&ctx->transfer_pool, &screen->transfer_pool); + + return pctx; + +fail: + pctx->destroy(pctx); + + return NULL; +} |