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/*
* 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 "fd2_context.h"
#include "fd2_blend.h"
#include "fd2_draw.h"
#include "fd2_emit.h"
#include "fd2_gmem.h"
#include "fd2_program.h"
#include "fd2_rasterizer.h"
#include "fd2_texture.h"
#include "fd2_zsa.h"
static void
fd2_context_destroy(struct pipe_context *pctx)
{
fd_context_destroy(pctx);
free(pctx);
}
static struct pipe_resource *
create_solid_vertexbuf(struct pipe_context *pctx)
{
static const float init_shader_const[] = {
/* for clear/gmem2mem/mem2gmem (vertices): */
-1.000000, +1.000000, +1.000000,
+1.000000, +1.000000, +1.000000,
-1.000000, -1.000000, +1.000000,
/* for mem2gmem: (tex coords) */
+0.000000, +0.000000,
+1.000000, +0.000000,
+0.000000, +1.000000,
/* SCREEN_SCISSOR_BR value (must be at 60 byte offset in page) */
0.0,
/* zero indices dummy draw workaround (3 16-bit zeros) */
0.0, 0.0,
};
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 const uint8_t a22x_primtypes[PIPE_PRIM_MAX] = {
[PIPE_PRIM_POINTS] = DI_PT_POINTLIST_PSIZE,
[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,
};
static const uint8_t a20x_primtypes[PIPE_PRIM_MAX] = {
[PIPE_PRIM_POINTS] = DI_PT_POINTLIST_PSIZE,
[PIPE_PRIM_LINES] = DI_PT_LINELIST,
[PIPE_PRIM_LINE_STRIP] = DI_PT_LINESTRIP,
[PIPE_PRIM_TRIANGLES] = DI_PT_TRILIST,
[PIPE_PRIM_TRIANGLE_STRIP] = DI_PT_TRISTRIP,
[PIPE_PRIM_TRIANGLE_FAN] = DI_PT_TRIFAN,
};
struct pipe_context *
fd2_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags)
{
struct fd_screen *screen = fd_screen(pscreen);
struct fd2_context *fd2_ctx = CALLOC_STRUCT(fd2_context);
struct pipe_context *pctx;
if (!fd2_ctx)
return NULL;
pctx = &fd2_ctx->base.base;
fd2_ctx->base.dev = fd_device_ref(screen->dev);
fd2_ctx->base.screen = fd_screen(pscreen);
pctx->destroy = fd2_context_destroy;
pctx->create_blend_state = fd2_blend_state_create;
pctx->create_rasterizer_state = fd2_rasterizer_state_create;
pctx->create_depth_stencil_alpha_state = fd2_zsa_state_create;
fd2_draw_init(pctx);
fd2_gmem_init(pctx);
fd2_texture_init(pctx);
fd2_prog_init(pctx);
fd2_emit_init(pctx);
pctx = fd_context_init(&fd2_ctx->base, pscreen,
(screen->gpu_id >= 220) ? a22x_primtypes : a20x_primtypes,
priv, flags);
if (!pctx)
return NULL;
/* construct vertex state used for solid ops (clear, and gmem<->mem) */
fd2_ctx->solid_vertexbuf = create_solid_vertexbuf(pctx);
return pctx;
}
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