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