* 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.
+ */
+
+/**
+ * \file mgapixel.c
+ * Implement framebuffer pixel operations for MGA.
*
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- * Gareth Hughes <gareth@valinux.com>
+ * \todo
+ * Someday the accelerated \c glReadPixels and \c glDrawPixels paths need to
+ * be resurrected. They are currently ifdef'ed out because they don't seem
+ * to work and they only get activated some very rare circumstances.
+ *
+ * \author Keith Whitwell <keith@tungstengraphics.com>
+ * \author Gareth Hughes <gareth@valinux.com>
*/
-/* $XFree86: xc/lib/GL/mesa/src/drv/mga/mgapixel.c,v 1.9 2002/11/05 17:46:08 tsi Exp $ */
-#include "enums.h"
-#include "mtypes.h"
-#include "macros.h"
-#include "texutil.h"
+#include "main/mtypes.h"
+#include "main/macros.h"
#include "mgadd.h"
#include "mgacontext.h"
#include "mgaioctl.h"
#include "mgastate.h"
#include "swrast/swrast.h"
-#include "imports.h"
+#include "main/imports.h"
+#if 0
#define IS_AGP_MEM( mmesa, p ) \
((unsigned long)mmesa->mgaScreen->buffers.map <= ((unsigned long)p) && \
(unsigned long)mmesa->mgaScreen->buffers.map + \
(((unsigned long)p) - (unsigned long)mmesa->mgaScreen->buffers.map)
-#if defined(MESA_packed_depth_stencil)
static GLboolean
check_depth_stencil_24_8( const GLcontext *ctx, GLenum type,
const struct gl_pixelstore_attrib *packing,
{
mgaContextPtr mmesa = MGA_CONTEXT(ctx);
- return ( type == GL_UNSIGNED_INT_24_8_MESA &&
+ return ( type == GL_UNSIGNED_INT_24_8 &&
ctx->Visual->DepthBits == 24 &&
ctx->Visual->StencilBits == 8 &&
mmesa->mgaScreen->cpp == 4 &&
pitch % 32 == 0 &&
pitch < 4096 );
}
-#endif
static GLboolean
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->Stencil._Enabled ||
+ !ctx->Color.ColorMask[0][0] ||
+ !ctx->Color.ColorMask[0][1] ||
+ !ctx->Color.ColorMask[0][2] ||
+ !ctx->Color.ColorMask[0][3] ||
ctx->Color.ColorLogicOpEnabled ||
- ctx->Texture._EnabledUnits ||
- ctx->Depth.OcclusionTest
+ ctx->Texture._EnabledUnits
) &&
ctx->Current.RasterPosValid &&
ctx->Pixel.ZoomX == 1.0F &&
check_depth_per_fragment_ops( const GLcontext *ctx )
{
return ( ctx->Current.RasterPosValid &&
- ctx->Color.ColorMask[RCOMP] == 0 &&
- ctx->Color.ColorMask[BCOMP] == 0 &&
- ctx->Color.ColorMask[GCOMP] == 0 &&
- ctx->Color.ColorMask[ACOMP] == 0 &&
+ ctx->Color.ColorMask[0][RCOMP] == 0 &&
+ ctx->Color.ColorMask[0][BCOMP] == 0 &&
+ ctx->Color.ColorMask[0][GCOMP] == 0 &&
+ ctx->Color.ColorMask[0][ACOMP] == 0 &&
ctx->Pixel.ZoomX == 1.0F &&
( ctx->Pixel.ZoomY == 1.0F || ctx->Pixel.ZoomY == -1.0F ) );
}
return GL_FALSE;
switch (format) {
-#if defined(MESA_packed_depth_stencil)
- case GL_DEPTH_STENCIL_MESA:
+ case GL_DEPTH_STENCIL:
ok = check_depth_stencil_24_8(ctx, type, pack, pixels, size, pitch);
planemask = ~0;
source = mmesa->mgaScreen->depthOffset;
break;
-#endif
case GL_DEPTH_COMPONENT:
ok = check_depth(ctx, type, pack, pixels, size, pitch);
#if 0
{
- __DRIdrawablePrivate *dPriv = mmesa->driDrawable;
+ __DRIdrawable *dPriv = mmesa->driDrawable;
int nbox, retcode, i;
UPDATE_LOCK( mmesa, DRM_LOCK_FLUSH | DRM_LOCK_QUIESCENT );
for (i = 0 ; i < nbox ; )
{
int nr = MIN2(i + MGA_NR_SAREA_CLIPRECTS, dPriv->numClipRects);
- XF86DRIClipRectRec *box = dPriv->pClipRects;
+ drm_clip_rect_t *box = dPriv->pClipRects;
drm_clip_rect_t *b = mmesa->sarea->boxes;
int n = 0;
#if 0
mgaContextPtr mmesa = MGA_CONTEXT(ctx);
drmMGABlit blit;
- __DRIdrawablePrivate *dPriv = mmesa->driDrawable;
- XF86DRIClipRectPtr pbox = dPriv->pClipRects;
+ __DRIdrawable *dPriv = mmesa->driDrawable;
+ drm_clip_rect_t pbox = dPriv->pClipRects;
int nbox = dPriv->numClipRects;
int retcode, i;
for (i = 0 ; i < nbox ; )
{
int nr = MIN2(i + MGA_NR_SAREA_CLIPRECTS, dPriv->numClipRects);
- XF86DRIClipRectRec *box = mmesa->pClipRects;
+ drm_clip_rect_t *box = mmesa->pClipRects;
drm_clip_rect_t *b = mmesa->sarea->boxes;
int n = 0;
switch (format) {
-#if defined(MESA_packed_depth_stencil)
- case GL_DEPTH_STENCIL_MESA:
+ case GL_DEPTH_STENCIL:
dest = mmesa->mgaScreen->depthOffset;
planemask = ~0;
if (!check_depth_stencil_24_8(ctx, type, unpack, pixels, size, pitch) ||
!check_stencil_per_fragment_ops(ctx))
return GL_FALSE;
break;
-#endif
case GL_DEPTH_COMPONENT:
dest = mmesa->mgaScreen->depthOffset;
mmesa->mgaScreen->backOffset);
planemask = mgaPackColor(cpp,
- ctx->Color.ColorMask[RCOMP],
- ctx->Color.ColorMask[GCOMP],
- ctx->Color.ColorMask[BCOMP],
- ctx->Color.ColorMask[ACOMP]);
+ ctx->Color.ColorMask[0][RCOMP],
+ ctx->Color.ColorMask[0][GCOMP],
+ ctx->Color.ColorMask[0][BCOMP],
+ ctx->Color.ColorMask[0][ACOMP]);
if (cpp == 2)
planemask |= planemask << 16;
}
}
#else
- MEMCPY( address, pixels, rows*bufferpitch );
+ memcpy( address, pixels, rows*bufferpitch );
#endif
do_draw_pix( ctx, x, y, width, rows,
_swrast_DrawPixels( ctx, x, y, width, height, format, type,
unpack, pixels );
}
-
+#endif
/* Stub functions - not a real allocator, always returns pointer to
*/
void mgaDDInitPixelFuncs( GLcontext *ctx )
{
- /* Pixel path fallbacks.
- */
- ctx->Driver.Accum = _swrast_Accum;
- ctx->Driver.Bitmap = _swrast_Bitmap;
- ctx->Driver.CopyPixels = _swrast_CopyPixels;
- ctx->Driver.DrawPixels = _swrast_DrawPixels;
- ctx->Driver.ReadPixels = _swrast_ReadPixels;
-
+#if 0
+ /* evidently, these functions don't always work */
if (getenv("MGA_BLIT_PIXELS")) {
ctx->Driver.ReadPixels = mgaDDReadPixels; /* requires agp dest */
ctx->Driver.DrawPixels = mgaDDDrawPixels; /* works with agp/normal mem */
}
+#endif
}
projects / mesa.git / blobdiff