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/* -*- 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)
{
struct fd3_context *fd3_ctx = fd3_context(fd_context(pctx));
fd3_prog_fini(pctx);
fd_bo_del(fd3_ctx->vs_pvt_mem);
fd_bo_del(fd3_ctx->fs_pvt_mem);
fd_bo_del(fd3_ctx->vsc_size_mem);
pipe_resource_reference(&fd3_ctx->solid_vbuf, NULL);
pipe_resource_reference(&fd3_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 *
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, primtypes, 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->solid_vbuf = create_solid_vertexbuf(pctx);
fd3_ctx->blit_texcoord_vbuf = create_blit_texcoord_vertexbuf(pctx);
return pctx;
}
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