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  1. /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
  2.  
  3. /*
  4.  * Copyright (C) 2013 Rob Clark <robclark@freedesktop.org>
  5.  *
  6.  * Permission is hereby granted, free of charge, to any person obtaining a
  7.  * copy of this software and associated documentation files (the "Software"),
  8.  * to deal in the Software without restriction, including without limitation
  9.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10.  * and/or sell copies of the Software, and to permit persons to whom the
  11.  * Software is furnished to do so, subject to the following conditions:
  12.  *
  13.  * The above copyright notice and this permission notice (including the next
  14.  * paragraph) shall be included in all copies or substantial portions of the
  15.  * Software.
  16.  *
  17.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20.  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21.  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22.  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23.  * SOFTWARE.
  24.  *
  25.  * Authors:
  26.  *    Rob Clark <robclark@freedesktop.org>
  27.  */
  28.  
  29.  
  30. #include "fd2_context.h"
  31. #include "fd2_blend.h"
  32. #include "fd2_draw.h"
  33. #include "fd2_emit.h"
  34. #include "fd2_gmem.h"
  35. #include "fd2_program.h"
  36. #include "fd2_rasterizer.h"
  37. #include "fd2_texture.h"
  38. #include "fd2_zsa.h"
  39.  
  40. static void
  41. fd2_context_destroy(struct pipe_context *pctx)
  42. {
  43.         fd2_prog_fini(pctx);
  44.         fd_context_destroy(pctx);
  45. }
  46.  
  47. static struct pipe_resource *
  48. create_solid_vertexbuf(struct pipe_context *pctx)
  49. {
  50.         static const float init_shader_const[] = {
  51.                         /* for clear/gmem2mem: */
  52.                         -1.000000, +1.000000, +1.000000, +1.100000,
  53.                         +1.000000, +1.000000, -1.000000, -1.100000,
  54.                         +1.000000, +1.100000, -1.100000, +1.000000,
  55.                         /* for mem2gmem: (vertices) */
  56.                         -1.000000, +1.000000, +1.000000, +1.000000,
  57.                         +1.000000, +1.000000, -1.000000, -1.000000,
  58.                         +1.000000, +1.000000, -1.000000, +1.000000,
  59.                         /* for mem2gmem: (tex coords) */
  60.                         +0.000000, +0.000000, +1.000000, +0.000000,
  61.                         +0.000000, +1.000000, +1.000000, +1.000000,
  62.         };
  63.         struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
  64.                         PIPE_BIND_CUSTOM, PIPE_USAGE_IMMUTABLE, sizeof(init_shader_const));
  65.         pipe_buffer_write(pctx, prsc, 0,
  66.                         sizeof(init_shader_const), init_shader_const);
  67.         return prsc;
  68. }
  69.  
  70. struct pipe_context *
  71. fd2_context_create(struct pipe_screen *pscreen, void *priv)
  72. {
  73.         struct fd2_context *fd2_ctx = CALLOC_STRUCT(fd2_context);
  74.         struct pipe_context *pctx;
  75.  
  76.         if (!fd2_ctx)
  77.                 return NULL;
  78.  
  79.         pctx = &fd2_ctx->base.base;
  80.  
  81.         pctx->destroy = fd2_context_destroy;
  82.         pctx->create_blend_state = fd2_blend_state_create;
  83.         pctx->create_rasterizer_state = fd2_rasterizer_state_create;
  84.         pctx->create_depth_stencil_alpha_state = fd2_zsa_state_create;
  85.  
  86.         fd2_draw_init(pctx);
  87.         fd2_gmem_init(pctx);
  88.         fd2_texture_init(pctx);
  89.         fd2_prog_init(pctx);
  90.  
  91.         pctx = fd_context_init(&fd2_ctx->base, pscreen, priv);
  92.         if (!pctx)
  93.                 return NULL;
  94.  
  95.         /* construct vertex state used for solid ops (clear, and gmem<->mem) */
  96.         fd2_ctx->solid_vertexbuf = create_solid_vertexbuf(pctx);
  97.  
  98.         fd2_emit_setup(&fd2_ctx->base);
  99.  
  100.         return pctx;
  101. }
  102.