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/*
* Copyright (C) 2009 Francisco Jerez.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include "nouveau_driver.h"
#include "nouveau_context.h"
#include "nouveau_fbo.h"
#include "nouveau_util.h"
#include "drivers/common/meta.h"
static const GLubyte *
nouveau_get_string(GLcontext *ctx, GLenum name)
{
static char buffer[128];
char hardware_name[32];
switch (name) {
case GL_VENDOR:
return (GLubyte *)"Nouveau";
case GL_RENDERER:
sprintf(hardware_name, "nv%02X", context_chipset(ctx));
driGetRendererString(buffer, hardware_name, DRIVER_DATE, 0);
return (GLubyte *)buffer;
default:
return NULL;
}
}
static void
nouveau_flush(GLcontext *ctx)
{
struct nouveau_context *nctx = to_nouveau_context(ctx);
struct nouveau_channel *chan = context_chan(ctx);
FIRE_RING(chan);
if (ctx->DrawBuffer->Name == 0 &&
ctx->DrawBuffer->_ColorDrawBufferIndexes[0] == BUFFER_FRONT_LEFT) {
__DRIscreen *screen = nctx->screen->dri_screen;
__DRIdri2LoaderExtension *dri2 = screen->dri2.loader;
__DRIdrawable *drawable = nctx->dri_context->driDrawablePriv;
dri2->flushFrontBuffer(drawable, drawable->loaderPrivate);
}
}
static void
nouveau_finish(GLcontext *ctx)
{
nouveau_flush(ctx);
}
void
nouveau_clear(GLcontext *ctx, GLbitfield buffers)
{
struct gl_framebuffer *fb = ctx->DrawBuffer;
int x, y, w, h;
int i, buf;
nouveau_validate_framebuffer(ctx);
get_scissors(fb, &x, &y, &w, &h);
for (i = 0; i < BUFFER_COUNT; i++) {
struct nouveau_surface *s;
unsigned mask, value;
buf = buffers & (1 << i);
if (!buf)
continue;
s = &to_nouveau_renderbuffer(
fb->Attachment[i].Renderbuffer->Wrapped)->surface;
if (buf & BUFFER_BITS_COLOR) {
mask = pack_rgba_i(s->format, ctx->Color.ColorMask[0]);
value = pack_rgba_f(s->format, ctx->Color.ClearColor);
if (mask)
context_drv(ctx)->surface_fill(
ctx, s, mask, value, x, y, w, h);
buffers &= ~buf;
} else if (buf & (BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL)) {
mask = pack_zs_i(s->format,
(buffers & BUFFER_BIT_DEPTH &&
ctx->Depth.Mask) ? ~0 : 0,
(buffers & BUFFER_BIT_STENCIL ?
ctx->Stencil.WriteMask[0] : 0));
value = pack_zs_f(s->format,
ctx->Depth.Clear,
ctx->Stencil.Clear);
if (mask)
context_drv(ctx)->surface_fill(
ctx, s, mask, value, x, y, w, h);
buffers &= ~(BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL);
}
}
if (buffers)
_mesa_meta_Clear(ctx, buffers);
}
void
nouveau_driver_functions_init(struct dd_function_table *functions)
{
functions->GetString = nouveau_get_string;
functions->Flush = nouveau_flush;
functions->Finish = nouveau_finish;
functions->Clear = nouveau_clear;
functions->DrawPixels = _mesa_meta_DrawPixels;
functions->CopyPixels = _mesa_meta_CopyPixels;
functions->Bitmap = _mesa_meta_Bitmap;
#if FEATURE_EXT_framebuffer_blit
functions->BlitFramebuffer = _mesa_meta_BlitFramebuffer;
#endif
}
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