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  1. /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
  2.  
  3. /*
  4.  * Copyright (C) 2014 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 "fd4_context.h"
  31. #include "fd4_blend.h"
  32. #include "fd4_draw.h"
  33. #include "fd4_emit.h"
  34. #include "fd4_gmem.h"
  35. #include "fd4_program.h"
  36. #include "fd4_query.h"
  37. #include "fd4_rasterizer.h"
  38. #include "fd4_texture.h"
  39. #include "fd4_zsa.h"
  40.  
  41. static void
  42. fd4_context_destroy(struct pipe_context *pctx)
  43. {
  44.         struct fd4_context *fd4_ctx = fd4_context(fd_context(pctx));
  45.  
  46.         util_dynarray_fini(&fd4_ctx->rbrc_patches);
  47.  
  48.         fd_bo_del(fd4_ctx->vs_pvt_mem);
  49.         fd_bo_del(fd4_ctx->fs_pvt_mem);
  50.         fd_bo_del(fd4_ctx->vsc_size_mem);
  51.  
  52.         pctx->delete_vertex_elements_state(pctx, fd4_ctx->solid_vbuf_state.vtx);
  53.         pctx->delete_vertex_elements_state(pctx, fd4_ctx->blit_vbuf_state.vtx);
  54.  
  55.         pipe_resource_reference(&fd4_ctx->solid_vbuf, NULL);
  56.         pipe_resource_reference(&fd4_ctx->blit_texcoord_vbuf, NULL);
  57.  
  58.         fd_context_destroy(pctx);
  59. }
  60.  
  61. /* TODO we could combine a few of these small buffers (solid_vbuf,
  62.  * blit_texcoord_vbuf, and vsc_size_mem, into a single buffer and
  63.  * save a tiny bit of memory
  64.  */
  65.  
  66. static struct pipe_resource *
  67. create_solid_vertexbuf(struct pipe_context *pctx)
  68. {
  69.         static const float init_shader_const[] = {
  70.                         -1.000000, +1.000000, +1.000000,
  71.                         +1.000000, -1.000000, +1.000000,
  72.         };
  73.         struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
  74.                         PIPE_BIND_CUSTOM, PIPE_USAGE_IMMUTABLE, sizeof(init_shader_const));
  75.         pipe_buffer_write(pctx, prsc, 0,
  76.                         sizeof(init_shader_const), init_shader_const);
  77.         return prsc;
  78. }
  79.  
  80. static struct pipe_resource *
  81. create_blit_texcoord_vertexbuf(struct pipe_context *pctx)
  82. {
  83.         struct pipe_resource *prsc = pipe_buffer_create(pctx->screen,
  84.                         PIPE_BIND_CUSTOM, PIPE_USAGE_DYNAMIC, 16);
  85.         return prsc;
  86. }
  87.  
  88. static const uint8_t primtypes[PIPE_PRIM_MAX] = {
  89.                 [PIPE_PRIM_POINTS]         = DI_PT_POINTLIST_A3XX,
  90.                 [PIPE_PRIM_LINES]          = DI_PT_LINELIST,
  91.                 [PIPE_PRIM_LINE_STRIP]     = DI_PT_LINESTRIP,
  92.                 [PIPE_PRIM_LINE_LOOP]      = DI_PT_LINELOOP,
  93.                 [PIPE_PRIM_TRIANGLES]      = DI_PT_TRILIST,
  94.                 [PIPE_PRIM_TRIANGLE_STRIP] = DI_PT_TRISTRIP,
  95.                 [PIPE_PRIM_TRIANGLE_FAN]   = DI_PT_TRIFAN,
  96. };
  97.  
  98. struct pipe_context *
  99. fd4_context_create(struct pipe_screen *pscreen, void *priv)
  100. {
  101.         struct fd_screen *screen = fd_screen(pscreen);
  102.         struct fd4_context *fd4_ctx = CALLOC_STRUCT(fd4_context);
  103.         struct pipe_context *pctx;
  104.  
  105.         if (!fd4_ctx)
  106.                 return NULL;
  107.  
  108.         pctx = &fd4_ctx->base.base;
  109.  
  110.         fd4_ctx->base.dev = fd_device_ref(screen->dev);
  111.         fd4_ctx->base.screen = fd_screen(pscreen);
  112.  
  113.         pctx->destroy = fd4_context_destroy;
  114.         pctx->create_blend_state = fd4_blend_state_create;
  115.         pctx->create_rasterizer_state = fd4_rasterizer_state_create;
  116.         pctx->create_depth_stencil_alpha_state = fd4_zsa_state_create;
  117.  
  118.         fd4_draw_init(pctx);
  119.         fd4_gmem_init(pctx);
  120.         fd4_texture_init(pctx);
  121.         fd4_prog_init(pctx);
  122.  
  123.         pctx = fd_context_init(&fd4_ctx->base, pscreen, primtypes, priv);
  124.         if (!pctx)
  125.                 return NULL;
  126.  
  127.         util_dynarray_init(&fd4_ctx->rbrc_patches);
  128.  
  129.         fd4_ctx->vs_pvt_mem = fd_bo_new(screen->dev, 0x2000,
  130.                         DRM_FREEDRENO_GEM_TYPE_KMEM);
  131.  
  132.         fd4_ctx->fs_pvt_mem = fd_bo_new(screen->dev, 0x2000,
  133.                         DRM_FREEDRENO_GEM_TYPE_KMEM);
  134.  
  135.         fd4_ctx->vsc_size_mem = fd_bo_new(screen->dev, 0x1000,
  136.                         DRM_FREEDRENO_GEM_TYPE_KMEM);
  137.  
  138.         fd4_ctx->solid_vbuf = create_solid_vertexbuf(pctx);
  139.         fd4_ctx->blit_texcoord_vbuf = create_blit_texcoord_vertexbuf(pctx);
  140.  
  141.         /* setup solid_vbuf_state: */
  142.         fd4_ctx->solid_vbuf_state.vtx = pctx->create_vertex_elements_state(
  143.                         pctx, 1, (struct pipe_vertex_element[]){{
  144.                                 .vertex_buffer_index = 0,
  145.                                 .src_offset = 0,
  146.                                 .src_format = PIPE_FORMAT_R32G32B32_FLOAT,
  147.                         }});
  148.         fd4_ctx->solid_vbuf_state.vertexbuf.count = 1;
  149.         fd4_ctx->solid_vbuf_state.vertexbuf.vb[0].stride = 12;
  150.         fd4_ctx->solid_vbuf_state.vertexbuf.vb[0].buffer = fd4_ctx->solid_vbuf;
  151.  
  152.         /* setup blit_vbuf_state: */
  153.         fd4_ctx->blit_vbuf_state.vtx = pctx->create_vertex_elements_state(
  154.                         pctx, 2, (struct pipe_vertex_element[]){{
  155.                                 .vertex_buffer_index = 0,
  156.                                 .src_offset = 0,
  157.                                 .src_format = PIPE_FORMAT_R32G32_FLOAT,
  158.                         }, {
  159.                                 .vertex_buffer_index = 1,
  160.                                 .src_offset = 0,
  161.                                 .src_format = PIPE_FORMAT_R32G32B32_FLOAT,
  162.                         }});
  163.         fd4_ctx->blit_vbuf_state.vertexbuf.count = 2;
  164.         fd4_ctx->blit_vbuf_state.vertexbuf.vb[0].stride = 8;
  165.         fd4_ctx->blit_vbuf_state.vertexbuf.vb[0].buffer = fd4_ctx->blit_texcoord_vbuf;
  166.         fd4_ctx->blit_vbuf_state.vertexbuf.vb[1].stride = 12;
  167.         fd4_ctx->blit_vbuf_state.vertexbuf.vb[1].buffer = fd4_ctx->solid_vbuf;
  168.  
  169.         fd4_query_context_init(pctx);
  170.  
  171.         return pctx;
  172. }
  173.