void intelFinish( GLcontext *ctx )
{
intelContextPtr intel = INTEL_CONTEXT( ctx );
intelFlush( ctx );
intelWaitForIdle( intel );
intelCheckFrontRotate(ctx);
}
/* Move locking out to get reasonable span performance.
*/
void intelSpanRenderStart( GLcontext *ctx )
{
intelContextPtr intel = INTEL_CONTEXT(ctx);
intelFlush(&intel->ctx);
LOCK_HARDWARE(intel);
intelWaitForIdle(intel);
}
GLboolean
i830TryTextureDrawPixels( GLcontext *ctx,
GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type,
const struct gl_pixelstore_attrib *unpack,
const GLvoid *pixels )
{
intelContextPtr intel = INTEL_CONTEXT(ctx);
i830ContextPtr i830 = I830_CONTEXT(ctx);
GLint pitch = unpack->RowLength ? unpack->RowLength : width;
__DRIdrawablePrivate *dPriv = intel->driDrawable;
int textureFormat;
GLenum glTextureFormat;
int dst_offset = i830->meta.Buffer[I830_DESTREG_CBUFADDR2];
int src_offset = intelAgpOffsetFromVirtual( intel, pixels );
if (INTEL_DEBUG & DEBUG_PIXEL)
fprintf(stderr, "%s\n", __FUNCTION__);
/* Todo -- upload images that aren't in agp space, then texture
* from them.
*/
if ( !intelIsAgpMemory( intel, pixels, pitch*height ) ) {
fprintf(stderr, "%s: intelIsAgpMemory failed\n", __FUNCTION__);
return GL_FALSE;
}
/* Todo -- don't want to clobber all the drawing state like we do
* for readpixels -- most of this state can be handled just fine.
*/
if ( ctx->_ImageTransferState ||
unpack->SwapBytes ||
unpack->LsbFirst ||
ctx->Color.AlphaEnabled ||
ctx->Depth.Test ||
ctx->Fog.Enabled ||
ctx->Scissor.Enabled ||
ctx->Stencil.Enabled ||
!ctx->Color.ColorMask[0] ||
!ctx->Color.ColorMask[1] ||
!ctx->Color.ColorMask[2] ||
!ctx->Color.ColorMask[3] ||
ctx->Color.ColorLogicOpEnabled ||
ctx->Texture._EnabledUnits ||
ctx->Depth.OcclusionTest) {
fprintf(stderr, "%s: other tests failed\n", __FUNCTION__);
return GL_FALSE;
}
/* Todo -- remove these restrictions:
*/
if (ctx->Pixel.ZoomX != 1.0F ||
ctx->Pixel.ZoomY != -1.0F)
return GL_FALSE;
switch (type) {
case GL_UNSIGNED_SHORT_1_5_5_5_REV:
if (format != GL_BGRA) return GL_FALSE;
textureFormat = MAPSURF_16BIT | MT_16BIT_ARGB1555;
glTextureFormat = GL_RGBA;
break;
case GL_UNSIGNED_SHORT_5_6_5:
if (format != GL_RGB) return GL_FALSE;
textureFormat = MAPSURF_16BIT | MT_16BIT_RGB565;
glTextureFormat = GL_RGB;
break;
case GL_UNSIGNED_SHORT_8_8_MESA:
if (format != GL_YCBCR_MESA) return GL_FALSE;
textureFormat = (MAPSURF_422 | MT_422_YCRCB_SWAPY
/* | TM0S1_COLORSPACE_CONVERSION */
);
glTextureFormat = GL_YCBCR_MESA;
break;
case GL_UNSIGNED_SHORT_8_8_REV_MESA:
if (format != GL_YCBCR_MESA) return GL_FALSE;
textureFormat = (MAPSURF_422 | MT_422_YCRCB_NORMAL
/* | TM0S1_COLORSPACE_CONVERSION */
);
glTextureFormat = GL_YCBCR_MESA;
break;
case GL_UNSIGNED_INT_8_8_8_8_REV:
if (format != GL_BGRA) return GL_FALSE;
textureFormat = MAPSURF_32BIT | MT_32BIT_ARGB8888;
glTextureFormat = GL_RGBA;
break;
default:
fprintf(stderr, "%s: destFormat failed\n", __FUNCTION__);
return GL_FALSE;
}
intelFlush( ctx );
SET_STATE( i830, meta );
LOCK_HARDWARE( intel );
{
intelWaitForIdle( intel ); /* required by GL */
y -= height; /* cope with pixel zoom */
if (!driClipRectToFramebuffer(ctx->ReadBuffer, &x, &y, &width, &height)) {
UNLOCK_HARDWARE( intel );
SET_STATE(i830, state);
fprintf(stderr, "%s: cliprect failed\n", __FUNCTION__);
return GL_TRUE;
}
y = dPriv->h - y - height;
set_initial_state( i830 );
/* Set the pixel image up as a rectangular texture.
*/
set_tex_rect_source( i830,
src_offset,
width,
height,
pitch, /* XXXX!!!! -- /2 sometimes */
textureFormat );
enable_texture_blend_replace( i830 );
/* Draw to the current draw buffer:
*/
set_draw_offset( i830, dst_offset );
/* Draw a quad, use regular cliprects
*/
/* fprintf(stderr, "x: %d y: %d width %d height %d\n", x, y, width, height); */
draw_quad( i830,
x, x+width, y, y+height,
0, 255, 0, 0,
0, width, 0, height );
intelWindowMoved( intel );
}
UNLOCK_HARDWARE( intel );
intelFinish( ctx ); /* required by GL */
SET_STATE(i830, state);
return GL_TRUE;
}
GLboolean
i830TryTextureReadPixels( GLcontext *ctx,
GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type,
const struct gl_pixelstore_attrib *pack,
GLvoid *pixels )
{
i830ContextPtr i830 = I830_CONTEXT(ctx);
intelContextPtr intel = INTEL_CONTEXT(ctx);
intelScreenPrivate *screen = i830->intel.intelScreen;
GLint pitch = pack->RowLength ? pack->RowLength : width;
__DRIdrawablePrivate *dPriv = i830->intel.driDrawable;
int textureFormat;
GLenum glTextureFormat;
int src_offset = i830->meta.Buffer[I830_DESTREG_CBUFADDR2];
int destOffset = intelAgpOffsetFromVirtual( &i830->intel, pixels);
int destFormat, depthFormat, destPitch;
drm_clip_rect_t tmp;
if (INTEL_DEBUG & DEBUG_PIXEL)
fprintf(stderr, "%s\n", __FUNCTION__);
if ( ctx->_ImageTransferState ||
pack->SwapBytes ||
pack->LsbFirst ||
!pack->Invert) {
fprintf(stderr, "%s: check_color failed\n", __FUNCTION__);
return GL_FALSE;
}
switch (screen->fbFormat) {
case DV_PF_565:
textureFormat = MAPSURF_16BIT | MT_16BIT_RGB565;
glTextureFormat = GL_RGB;
break;
case DV_PF_555:
textureFormat = MAPSURF_16BIT | MT_16BIT_ARGB1555;
glTextureFormat = GL_RGBA;
break;
case DV_PF_8888:
textureFormat = MAPSURF_32BIT | MT_32BIT_ARGB8888;
glTextureFormat = GL_RGBA;
break;
default:
fprintf(stderr, "%s: textureFormat failed %x\n", __FUNCTION__,
screen->fbFormat);
return GL_FALSE;
}
switch (type) {
case GL_UNSIGNED_SHORT_5_6_5:
if (format != GL_RGB) return GL_FALSE;
destFormat = COLR_BUF_RGB565;
depthFormat = DEPTH_FRMT_16_FIXED;
destPitch = pitch * 2;
break;
case GL_UNSIGNED_INT_8_8_8_8_REV:
if (format != GL_BGRA) return GL_FALSE;
destFormat = COLR_BUF_ARGB8888;
depthFormat = DEPTH_FRMT_24_FIXED_8_OTHER;
destPitch = pitch * 4;
break;
default:
fprintf(stderr, "%s: destFormat failed %s\n", __FUNCTION__,
_mesa_lookup_enum_by_nr(type));
return GL_FALSE;
}
destFormat |= (0x02<<24);
/* fprintf(stderr, "type: %s destFormat: %x\n", */
/* _mesa_lookup_enum_by_nr(type), */
/* destFormat); */
intelFlush( ctx );
SET_STATE( i830, meta );
set_initial_state( i830 );
set_no_depth_stencil_write( i830 );
LOCK_HARDWARE( intel );
{
intelWaitForIdle( intel ); /* required by GL */
if (!driClipRectToFramebuffer(ctx->ReadBuffer, &x, &y, &width, &height)) {
UNLOCK_HARDWARE( intel );
SET_STATE(i830, state);
fprintf(stderr, "%s: cliprect failed\n", __FUNCTION__);
return GL_TRUE;
}
#if 0
/* FIXME -- Just emit the correct state
*/
if (i830SetParam(i830->driFd, I830_SETPARAM_CBUFFER_PITCH,
destPitch) != 0) {
UNLOCK_HARDWARE( intel );
SET_STATE(i830, state);
fprintf(stderr, "%s: setparam failed\n", __FUNCTION__);
return GL_FALSE;
}
#endif
y = dPriv->h - y - height;
x += dPriv->x;
y += dPriv->y;
/* Set the frontbuffer up as a large rectangular texture.
*/
set_tex_rect_source( i830,
src_offset,
screen->width,
screen->height,
screen->front.pitch,
textureFormat );
enable_texture_blend_replace( i830 );
/* Set the 3d engine to draw into the agp memory
*/
set_draw_region( i830, destOffset );
set_draw_format( i830, destFormat, depthFormat );
/* Draw a single quad, no cliprects:
*/
i830->intel.numClipRects = 1;
i830->intel.pClipRects = &tmp;
i830->intel.pClipRects[0].x1 = 0;
i830->intel.pClipRects[0].y1 = 0;
i830->intel.pClipRects[0].x2 = width;
i830->intel.pClipRects[0].y2 = height;
draw_quad( i830,
0, width, 0, height,
0, 255, 0, 0,
x, x+width, y, y+height );
intelWindowMoved( intel );
}
UNLOCK_HARDWARE( intel );
intelFinish( ctx ); /* required by GL */
SET_STATE( i830, state );
return GL_TRUE;
}
