diff options
Diffstat (limited to 'src/gallium/drivers/freedreno/a3xx/fd3_context.c')
| -rw-r--r-- | src/gallium/drivers/freedreno/a3xx/fd3_context.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/src/gallium/drivers/freedreno/a3xx/fd3_context.c b/src/gallium/drivers/freedreno/a3xx/fd3_context.c new file mode 100644 index 00000000000..3ae9b2953e4 --- /dev/null +++ b/src/gallium/drivers/freedreno/a3xx/fd3_context.c @@ -0,0 +1,118 @@ +/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ + +/* + * Copyright (C) 2013 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 "fd3_context.h" +#include "fd3_blend.h" +#include "fd3_draw.h" +#include "fd3_emit.h" +#include "fd3_gmem.h" +#include "fd3_program.h" +#include "fd3_rasterizer.h" +#include "fd3_texture.h" +#include "fd3_zsa.h" + +static void +fd3_context_destroy(struct pipe_context *pctx) +{ + fd3_prog_fini(pctx); + 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; +} + +struct pipe_context * +fd3_context_create(struct pipe_screen *pscreen, void *priv) +{ + struct fd_screen *screen = fd_screen(pscreen); + struct fd3_context *fd3_ctx = CALLOC_STRUCT(fd3_context); + struct pipe_context *pctx; + + if (!fd3_ctx) + return NULL; + + pctx = &fd3_ctx->base.base; + + fd3_ctx->base.screen = fd_screen(pscreen); + + pctx->destroy = fd3_context_destroy; + pctx->create_blend_state = fd3_blend_state_create; + pctx->create_rasterizer_state = fd3_rasterizer_state_create; + pctx->create_depth_stencil_alpha_state = fd3_zsa_state_create; + + fd3_draw_init(pctx); + fd3_gmem_init(pctx); + fd3_texture_init(pctx); + fd3_prog_init(pctx); + + pctx = fd_context_init(&fd3_ctx->base, pscreen, priv); + if (!pctx) + return NULL; + + fd3_ctx->vs_pvt_mem = fd_bo_new(screen->dev, 0x2000, + DRM_FREEDRENO_GEM_TYPE_KMEM); + + fd3_ctx->fs_pvt_mem = fd_bo_new(screen->dev, 0x2000, + DRM_FREEDRENO_GEM_TYPE_KMEM); + + fd3_ctx->vsc_size_mem = fd_bo_new(screen->dev, 0x1000, + DRM_FREEDRENO_GEM_TYPE_KMEM); + + fd3_ctx->vsc_pipe_mem = fd_bo_new(screen->dev, 0x40000, + DRM_FREEDRENO_GEM_TYPE_KMEM); + + fd3_ctx->solid_vbuf = create_solid_vertexbuf(pctx); + fd3_ctx->blit_texcoord_vbuf = create_blit_texcoord_vertexbuf(pctx); + + return pctx; +} |