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Diffstat (limited to 'src/gallium/drivers/etnaviv/etnaviv_context.c')
-rw-r--r--src/gallium/drivers/etnaviv/etnaviv_context.c323
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;
+}