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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 "fd3_context.h"
  31. #include "fd3_blend.h"
  32. #include "fd3_draw.h"
  33. #include "fd3_emit.h"
  34. #include "fd3_gmem.h"
  35. #include "fd3_program.h"
  36. #include "fd3_rasterizer.h"
  37. #include "fd3_texture.h"
  38. #include "fd3_zsa.h"
  39.  
  40. static void
  41. fd3_context_destroy(struct pipe_context *pctx)
  42. {
  43.         struct fd3_context *fd3_ctx = fd3_context(fd_context(pctx));
  44.  
  45.         fd3_prog_fini(pctx);
  46.  
  47.         fd_bo_del(fd3_ctx->vs_pvt_mem);
  48.         fd_bo_del(fd3_ctx->fs_pvt_mem);
  49.         fd_bo_del(fd3_ctx->vsc_size_mem);
  50.         fd_bo_del(fd3_ctx->vsc_pipe_mem);
  51.  
  52.         pipe_resource_reference(&fd3_ctx->solid_vbuf, NULL);
  53.         pipe_resource_reference(&fd3_ctx->blit_texcoord_vbuf, NULL);
  54.  
  55.         fd_context_destroy(pctx);
  56. }
  57.  
  58. /* TODO we could combine a few of these small buffers (solid_vbuf,
  59.  * blit_texcoord_vbuf, and vsc_size_mem, into a single buffer and
  60.  * save a tiny bit of memory
  61.  */
  62.  
  63. static struct pipe_resource *
  64. create_solid_vertexbuf(struct pipe_context *pctx)
  65. {
  66.         static const float init_shader_const[] = {
  67.                         -1.000000, +1.000000, +1.000000,
  68.                         +1.000000, -1.000000, +1.000000,
  69.         };
  70.         struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
  71.                         PIPE_BIND_CUSTOM, PIPE_USAGE_IMMUTABLE, sizeof(init_shader_const));
  72.         pipe_buffer_write(pctx, prsc, 0,
  73.                         sizeof(init_shader_const), init_shader_const);
  74.         return prsc;
  75. }
  76.  
  77. static struct pipe_resource *
  78. create_blit_texcoord_vertexbuf(struct pipe_context *pctx)
  79. {
  80.         struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
  81.                         PIPE_BIND_CUSTOM, PIPE_USAGE_DYNAMIC, 16);
  82.         return prsc;
  83. }
  84.  
  85. struct pipe_context *
  86. fd3_context_create(struct pipe_screen *pscreen, void *priv)
  87. {
  88.         struct fd_screen *screen = fd_screen(pscreen);
  89.         struct fd3_context *fd3_ctx = CALLOC_STRUCT(fd3_context);
  90.         struct pipe_context *pctx;
  91.  
  92.         if (!fd3_ctx)
  93.                 return NULL;
  94.  
  95.         pctx = &fd3_ctx->base.base;
  96.  
  97.         fd3_ctx->base.screen = fd_screen(pscreen);
  98.  
  99.         pctx->destroy = fd3_context_destroy;
  100.         pctx->create_blend_state = fd3_blend_state_create;
  101.         pctx->create_rasterizer_state = fd3_rasterizer_state_create;
  102.         pctx->create_depth_stencil_alpha_state = fd3_zsa_state_create;
  103.  
  104.         fd3_draw_init(pctx);
  105.         fd3_gmem_init(pctx);
  106.         fd3_texture_init(pctx);
  107.         fd3_prog_init(pctx);
  108.  
  109.         pctx = fd_context_init(&fd3_ctx->base, pscreen, priv);
  110.         if (!pctx)
  111.                 return NULL;
  112.  
  113.         fd3_ctx->vs_pvt_mem = fd_bo_new(screen->dev, 0x2000,
  114.                         DRM_FREEDRENO_GEM_TYPE_KMEM);
  115.  
  116.         fd3_ctx->fs_pvt_mem = fd_bo_new(screen->dev, 0x2000,
  117.                         DRM_FREEDRENO_GEM_TYPE_KMEM);
  118.  
  119.         fd3_ctx->vsc_size_mem = fd_bo_new(screen->dev, 0x1000,
  120.                         DRM_FREEDRENO_GEM_TYPE_KMEM);
  121.  
  122.         fd3_ctx->vsc_pipe_mem = fd_bo_new(screen->dev, 0x40000,
  123.                         DRM_FREEDRENO_GEM_TYPE_KMEM);
  124.  
  125.         fd3_ctx->solid_vbuf = create_solid_vertexbuf(pctx);
  126.         fd3_ctx->blit_texcoord_vbuf = create_blit_texcoord_vertexbuf(pctx);
  127.  
  128.         return pctx;
  129. }
  130.