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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 <stdio.h>
#include "main/mtypes.h"
#include "main/fbobject.h"
#include "nouveau_driver.h"
#include "nouveau_context.h"
#include "nouveau_fbo.h"
#include "nouveau_util.h"
#include "drivers/common/meta.h"
const char * const nouveau_vendor_string = "Nouveau";
const char *
nouveau_get_renderer_string(unsigned chipset)
{
char hardware_name[32];
static char buffer[128];
snprintf(hardware_name, sizeof(hardware_name), "nv%02X", chipset);
driGetRendererString(buffer, hardware_name, 0);
return buffer;
}
static const GLubyte *
nouveau_get_string(struct gl_context *ctx, GLenum name)
{
switch (name) {
case GL_VENDOR:
return (GLubyte *)nouveau_vendor_string;
case GL_RENDERER:
return (GLubyte *)nouveau_get_renderer_string(context_chipset(ctx));
default:
return NULL;
}
}
static void
nouveau_flush(struct gl_context *ctx)
{
struct nouveau_context *nctx = to_nouveau_context(ctx);
struct nouveau_pushbuf *push = context_push(ctx);
PUSH_KICK(push);
if (_mesa_is_winsys_fbo(ctx->DrawBuffer) &&
ctx->DrawBuffer->_ColorDrawBufferIndexes[0] == BUFFER_FRONT_LEFT) {
__DRIscreen *screen = nctx->screen->dri_screen;
const __DRIdri2LoaderExtension *dri2 = screen->dri2.loader;
__DRIdrawable *drawable = nctx->dri_context->driDrawablePriv;
if (drawable && drawable->loaderPrivate)
dri2->flushFrontBuffer(drawable, drawable->loaderPrivate);
}
}
static void
nouveau_finish(struct gl_context *ctx)
{
struct nouveau_context *nctx = to_nouveau_context(ctx);
struct nouveau_pushbuf *push = context_push(ctx);
struct nouveau_pushbuf_refn refn =
{ nctx->fence, NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR };
nouveau_flush(ctx);
if (!nouveau_pushbuf_space(push, 16, 0, 0) &&
!nouveau_pushbuf_refn(push, &refn, 1)) {
PUSH_DATA(push, 0);
PUSH_KICK(push);
}
nouveau_bo_wait(nctx->fence, NOUVEAU_BO_RDWR, context_client(ctx));
}
void
nouveau_clear(struct gl_context *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)->surface;
if (buf & BUFFER_BITS_COLOR) {
const float *color = ctx->Color.ClearColor.f;
if (fb->Attachment[i].Renderbuffer->_BaseFormat ==
GL_LUMINANCE_ALPHA)
value = pack_la_clamp_f(
s->format, color[0], color[3]);
else
value = pack_rgba_clamp_f(s->format, color);
const uint8_t colormask[4] = {
GET_COLORMASK_BIT(ctx->Color.ColorMask, 0, 0) ? 0xff : 0,
GET_COLORMASK_BIT(ctx->Color.ColorMask, 0, 1) ? 0xff : 0,
GET_COLORMASK_BIT(ctx->Color.ColorMask, 0, 2) ? 0xff : 0,
GET_COLORMASK_BIT(ctx->Color.ColorMask, 0, 3) ? 0xff : 0,
};
mask = pack_rgba_i(s->format, colormask);
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;
functions->BlitFramebuffer = _mesa_meta_and_swrast_BlitFramebuffer;
}
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