Subversion Repositories Kolibri OS

Rev

Blame | Last modification | View Log | RSS feed

  1. /*
  2.  * Copyright (C) 2009 Francisco Jerez.
  3.  * All Rights Reserved.
  4.  *
  5.  * Permission is hereby granted, free of charge, to any person obtaining
  6.  * a copy of this software and associated documentation files (the
  7.  * "Software"), to deal in the Software without restriction, including
  8.  * without limitation the rights to use, copy, modify, merge, publish,
  9.  * distribute, sublicense, and/or sell copies of the Software, and to
  10.  * permit persons to whom the Software is furnished to do so, subject to
  11.  * the following conditions:
  12.  *
  13.  * The above copyright notice and this permission notice (including the
  14.  * next paragraph) shall be included in all copies or substantial
  15.  * portions of the Software.
  16.  *
  17.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18.  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19.  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20.  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  21.  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22.  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23.  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24.  *
  25.  */
  26.  
  27. #include <stdio.h>
  28. #include "main/mtypes.h"
  29. #include "main/fbobject.h"
  30.  
  31. #include "nouveau_driver.h"
  32. #include "nouveau_context.h"
  33. #include "nouveau_fbo.h"
  34. #include "nouveau_util.h"
  35.  
  36. #include "drivers/common/meta.h"
  37.  
  38. const char const *nouveau_vendor_string = "Nouveau";
  39.  
  40. const char *
  41. nouveau_get_renderer_string(unsigned chipset)
  42. {
  43.         char hardware_name[32];
  44.         static char buffer[128];
  45.  
  46.         snprintf(hardware_name, sizeof(hardware_name), "nv%02X", chipset);
  47.         driGetRendererString(buffer, hardware_name, 0);
  48.  
  49.         return buffer;
  50. }
  51.  
  52. static const GLubyte *
  53. nouveau_get_string(struct gl_context *ctx, GLenum name)
  54. {
  55.         switch (name) {
  56.                 case GL_VENDOR:
  57.                         return (GLubyte *)nouveau_vendor_string;
  58.  
  59.                 case GL_RENDERER:
  60.                         return (GLubyte *)nouveau_get_renderer_string(context_chipset(ctx));
  61.                 default:
  62.                         return NULL;
  63.         }
  64. }
  65.  
  66. static void
  67. nouveau_flush(struct gl_context *ctx)
  68. {
  69.         struct nouveau_context *nctx = to_nouveau_context(ctx);
  70.         struct nouveau_pushbuf *push = context_push(ctx);
  71.  
  72.         PUSH_KICK(push);
  73.  
  74.         if (_mesa_is_winsys_fbo(ctx->DrawBuffer) &&
  75.             ctx->DrawBuffer->_ColorDrawBufferIndexes[0] == BUFFER_FRONT_LEFT) {
  76.                 __DRIscreen *screen = nctx->screen->dri_screen;
  77.                 const __DRIdri2LoaderExtension *dri2 = screen->dri2.loader;
  78.                 __DRIdrawable *drawable = nctx->dri_context->driDrawablePriv;
  79.  
  80.                 if (drawable && drawable->loaderPrivate)
  81.                         dri2->flushFrontBuffer(drawable, drawable->loaderPrivate);
  82.         }
  83. }
  84.  
  85. static void
  86. nouveau_finish(struct gl_context *ctx)
  87. {
  88.         struct nouveau_context *nctx = to_nouveau_context(ctx);
  89.         struct nouveau_pushbuf *push = context_push(ctx);
  90.         struct nouveau_pushbuf_refn refn =
  91.                 { nctx->fence, NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR };
  92.  
  93.         nouveau_flush(ctx);
  94.  
  95.         if (!nouveau_pushbuf_space(push, 16, 0, 0) &&
  96.             !nouveau_pushbuf_refn(push, &refn, 1)) {
  97.                 PUSH_DATA(push, 0);
  98.                 PUSH_KICK(push);
  99.         }
  100.  
  101.         nouveau_bo_wait(nctx->fence, NOUVEAU_BO_RDWR, context_client(ctx));
  102. }
  103.  
  104. void
  105. nouveau_clear(struct gl_context *ctx, GLbitfield buffers)
  106. {
  107.         struct gl_framebuffer *fb = ctx->DrawBuffer;
  108.         int x, y, w, h;
  109.         int i, buf;
  110.  
  111.         nouveau_validate_framebuffer(ctx);
  112.         get_scissors(fb, &x, &y, &w, &h);
  113.  
  114.         for (i = 0; i < BUFFER_COUNT; i++) {
  115.                 struct nouveau_surface *s;
  116.                 unsigned mask, value;
  117.  
  118.                 buf = buffers & (1 << i);
  119.                 if (!buf)
  120.                         continue;
  121.  
  122.                 s = &to_nouveau_renderbuffer(
  123.                         fb->Attachment[i].Renderbuffer)->surface;
  124.  
  125.                 if (buf & BUFFER_BITS_COLOR) {
  126.                         const float *color = ctx->Color.ClearColor.f;
  127.  
  128.                         if (fb->Attachment[i].Renderbuffer->_BaseFormat ==
  129.                             GL_LUMINANCE_ALPHA)
  130.                                 value = pack_la_clamp_f(
  131.                                                 s->format, color[0], color[3]);
  132.                         else
  133.                                 value = pack_rgba_clamp_f(s->format, color);
  134.  
  135.                         mask = pack_rgba_i(s->format, ctx->Color.ColorMask[0]);
  136.  
  137.                         if (mask)
  138.                                 context_drv(ctx)->surface_fill(
  139.                                         ctx, s, mask, value, x, y, w, h);
  140.  
  141.                         buffers &= ~buf;
  142.  
  143.                 } else if (buf & (BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL)) {
  144.                         mask = pack_zs_i(s->format,
  145.                                          (buffers & BUFFER_BIT_DEPTH &&
  146.                                           ctx->Depth.Mask) ? ~0 : 0,
  147.                                          (buffers & BUFFER_BIT_STENCIL ?
  148.                                           ctx->Stencil.WriteMask[0] : 0));
  149.                         value = pack_zs_f(s->format,
  150.                                           ctx->Depth.Clear,
  151.                                           ctx->Stencil.Clear);
  152.  
  153.                         if (mask)
  154.                                 context_drv(ctx)->surface_fill(
  155.                                         ctx, s, mask, value, x, y, w, h);
  156.  
  157.                         buffers &= ~(BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL);
  158.                 }
  159.         }
  160.  
  161.         if (buffers)
  162.                 _mesa_meta_Clear(ctx, buffers);
  163. }
  164.  
  165. void
  166. nouveau_driver_functions_init(struct dd_function_table *functions)
  167. {
  168.         functions->GetString = nouveau_get_string;
  169.         functions->Flush = nouveau_flush;
  170.         functions->Finish = nouveau_finish;
  171.         functions->Clear = nouveau_clear;
  172.         functions->DrawPixels = _mesa_meta_DrawPixels;
  173.         functions->CopyPixels = _mesa_meta_CopyPixels;
  174.         functions->Bitmap = _mesa_meta_Bitmap;
  175.         functions->BlitFramebuffer = _mesa_meta_and_swrast_BlitFramebuffer;
  176. }
  177.