1 files changed, 172 insertions, 0 deletions
diff --git a/src/gallium/drivers/freedreno/a4xx/fd4_context.c b/src/gallium/drivers/freedreno/a4xx/fd4_context.c
new file mode 100644
index 0000000..2321876
--- /dev/null
+++ b/src/gallium/drivers/freedreno/a4xx/fd4_context.c
@@ -0,0 +1,172 @@
+/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
+
+/*
+ * Copyright (C) 2014 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 "fd4_context.h"
+#include "fd4_blend.h"
+#include "fd4_draw.h"
+#include "fd4_emit.h"
+#include "fd4_gmem.h"
+#include "fd4_program.h"
+#include "fd4_query.h"
+#include "fd4_rasterizer.h"
+#include "fd4_texture.h"
+#include "fd4_zsa.h"
+
+static void
+fd4_context_destroy(struct pipe_context *pctx)
+{
+	struct fd4_context *fd4_ctx = fd4_context(fd_context(pctx));
+
+	util_dynarray_fini(&fd4_ctx->rbrc_patches);
+
+	fd_bo_del(fd4_ctx->vs_pvt_mem);
+	fd_bo_del(fd4_ctx->fs_pvt_mem);
+	fd_bo_del(fd4_ctx->vsc_size_mem);
+
+	pctx->delete_vertex_elements_state(pctx, fd4_ctx->solid_vbuf_state.vtx);
+	pctx->delete_vertex_elements_state(pctx, fd4_ctx->blit_vbuf_state.vtx);
+
+	pipe_resource_reference(&fd4_ctx->solid_vbuf, NULL);
+	pipe_resource_reference(&fd4_ctx->blit_texcoord_vbuf, NULL);
+
+	fd_context_destroy(pctx);
+}
+
+/* TODO we could combine a few of these small buffers (solid_vbuf,
+ * blit_texcoord_vbuf, and vsc_size_mem, into a single buffer and
+ * save a tiny bit of memory
+ */
+
+static struct pipe_resource *
+create_solid_vertexbuf(struct pipe_context *pctx)
+{
+	static const float init_shader_const[] = {
+			-1.000000, +1.000000, +1.000000,
+			+1.000000, -1.000000, +1.000000,
+	};
+	struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
+			PIPE_BIND_CUSTOM, PIPE_USAGE_IMMUTABLE, sizeof(init_shader_const));
+	pipe_buffer_write(pctx, prsc, 0,
+			sizeof(init_shader_const), init_shader_const);
+	return prsc;
+}
+
+static struct pipe_resource *
+create_blit_texcoord_vertexbuf(struct pipe_context *pctx)
+{
+	struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
+			PIPE_BIND_CUSTOM, PIPE_USAGE_DYNAMIC, 16);
+	return prsc;
+}
+
+static const uint8_t primtypes[PIPE_PRIM_MAX] = {
+		[PIPE_PRIM_POINTS]         = DI_PT_POINTLIST_A3XX,
+		[PIPE_PRIM_LINES]          = DI_PT_LINELIST,
+		[PIPE_PRIM_LINE_STRIP]     = DI_PT_LINESTRIP,
+		[PIPE_PRIM_LINE_LOOP]      = DI_PT_LINELOOP,
+		[PIPE_PRIM_TRIANGLES]      = DI_PT_TRILIST,
+		[PIPE_PRIM_TRIANGLE_STRIP] = DI_PT_TRISTRIP,
+		[PIPE_PRIM_TRIANGLE_FAN]   = DI_PT_TRIFAN,
+};
+
+struct pipe_context *
+fd4_context_create(struct pipe_screen *pscreen, void *priv)
+{
+	struct fd_screen *screen = fd_screen(pscreen);
+	struct fd4_context *fd4_ctx = CALLOC_STRUCT(fd4_context);
+	struct pipe_context *pctx;
+
+	if (!fd4_ctx)
+		return NULL;
+
+	pctx = &fd4_ctx->base.base;
+
+	fd4_ctx->base.dev = fd_device_ref(screen->dev);
+	fd4_ctx->base.screen = fd_screen(pscreen);
+
+	pctx->destroy = fd4_context_destroy;
+	pctx->create_blend_state = fd4_blend_state_create;
+	pctx->create_rasterizer_state = fd4_rasterizer_state_create;
+	pctx->create_depth_stencil_alpha_state = fd4_zsa_state_create;
+
+	fd4_draw_init(pctx);
+	fd4_gmem_init(pctx);
+	fd4_texture_init(pctx);
+	fd4_prog_init(pctx);
+
+	pctx = fd_context_init(&fd4_ctx->base, pscreen, primtypes, priv);
+	if (!pctx)
+		return NULL;
+
+	util_dynarray_init(&fd4_ctx->rbrc_patches);
+
+	fd4_ctx->vs_pvt_mem = fd_bo_new(screen->dev, 0x2000,
+			DRM_FREEDRENO_GEM_TYPE_KMEM);
+
+	fd4_ctx->fs_pvt_mem = fd_bo_new(screen->dev, 0x2000,
+			DRM_FREEDRENO_GEM_TYPE_KMEM);
+
+	fd4_ctx->vsc_size_mem = fd_bo_new(screen->dev, 0x1000,
+			DRM_FREEDRENO_GEM_TYPE_KMEM);
+
+	fd4_ctx->solid_vbuf = create_solid_vertexbuf(pctx);
+	fd4_ctx->blit_texcoord_vbuf = create_blit_texcoord_vertexbuf(pctx);
+
+	/* setup solid_vbuf_state: */
+	fd4_ctx->solid_vbuf_state.vtx = pctx->create_vertex_elements_state(
+			pctx, 1, (struct pipe_vertex_element[]){{
+				.vertex_buffer_index = 0,
+				.src_offset = 0,
+				.src_format = PIPE_FORMAT_R32G32B32_FLOAT,
+			}});
+	fd4_ctx->solid_vbuf_state.vertexbuf.count = 1;
+	fd4_ctx->solid_vbuf_state.vertexbuf.vb[0].stride = 12;
+	fd4_ctx->solid_vbuf_state.vertexbuf.vb[0].buffer = fd4_ctx->solid_vbuf;
+
+	/* setup blit_vbuf_state: */
+	fd4_ctx->blit_vbuf_state.vtx = pctx->create_vertex_elements_state(
+			pctx, 2, (struct pipe_vertex_element[]){{
+				.vertex_buffer_index = 0,
+				.src_offset = 0,
+				.src_format = PIPE_FORMAT_R32G32_FLOAT,
+			}, {
+				.vertex_buffer_index = 1,
+				.src_offset = 0,
+				.src_format = PIPE_FORMAT_R32G32B32_FLOAT,
+			}});
+	fd4_ctx->blit_vbuf_state.vertexbuf.count = 2;
+	fd4_ctx->blit_vbuf_state.vertexbuf.vb[0].stride = 8;
+	fd4_ctx->blit_vbuf_state.vertexbuf.vb[0].buffer = fd4_ctx->blit_texcoord_vbuf;
+	fd4_ctx->blit_vbuf_state.vertexbuf.vb[1].stride = 12;
+	fd4_ctx->blit_vbuf_state.vertexbuf.vb[1].buffer = fd4_ctx->solid_vbuf;
+
+	fd4_query_context_init(pctx);
+
+	return pctx;
+}