#include "s_zoom.h"
-/*
+/**
* Try to do a fast and simple RGB(a) glDrawPixels.
* Return: GL_TRUE if success, GL_FALSE if slow path must be used instead
*/
fast_draw_pixels(GLcontext *ctx, GLint x, GLint y,
GLsizei width, GLsizei height,
GLenum format, GLenum type,
- const struct gl_pixelstore_attrib *unpack,
+ const struct gl_pixelstore_attrib *userUnpack,
const GLvoid *pixels)
{
const GLint imgX = x, imgY = y;
struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0][0];
+ const GLenum rbType = rb->DataType;
SWcontext *swrast = SWRAST_CONTEXT(ctx);
SWspan span;
-
- INIT_SPAN(span, GL_BITMAP, 0, 0, SPAN_RGBA);
-
- if (swrast->_RasterMask & MULTI_DRAW_BIT)
- return GL_FALSE;
-
- if (ctx->_ImageTransferState) {
- /* don't handle any pixel transfer options here */
+ GLboolean simpleZoom;
+ GLint yStep; /* +1 or -1 */
+ struct gl_pixelstore_attrib unpack;
+ GLint destX, destY, drawWidth, drawHeight; /* post clipping */
+
+ if ((swrast->_RasterMask & ~CLIP_BIT) ||
+ ctx->Texture._EnabledCoordUnits ||
+ userUnpack->Alignment != 1 ||
+ userUnpack->SwapBytes ||
+ ctx->_ImageTransferState) {
+ /* can't handle any of those conditions */
return GL_FALSE;
}
+ INIT_SPAN(span, GL_BITMAP, 0, 0, SPAN_RGBA);
if (ctx->Depth.Test)
_swrast_span_default_z(ctx, &span);
if (swrast->_FogEnabled)
if (ctx->Texture._EnabledCoordUnits)
_swrast_span_default_texcoords(ctx, &span);
- if ((swrast->_RasterMask & ~CLIP_BIT) == 0
- && ctx->Texture._EnabledCoordUnits == 0
- && unpack->Alignment == 1 /* XXX may not really need this */
- && !unpack->SwapBytes
- && !unpack->LsbFirst) {
-
- /* XXX there's a lot of clipping code here that should be replaced
- * by a call to _mesa_clip_drawpixels().
- */
- GLint destX = x;
- GLint destY = y;
- GLint drawWidth = width; /* actual width drawn */
- GLint drawHeight = height; /* actual height drawn */
- GLint skipPixels = unpack->SkipPixels;
- GLint skipRows = unpack->SkipRows;
- GLint rowLength;
-
- if (unpack->RowLength > 0)
- rowLength = unpack->RowLength;
- else
- rowLength = width;
+ /* copy input params since clipping may change them */
+ unpack = *userUnpack;
+ destX = x;
+ destY = y;
+ drawWidth = width;
+ drawHeight = height;
+
+ /* check for simple zooming and clipping */
+ if (ctx->Pixel.ZoomX == 1.0F &&
+ (ctx->Pixel.ZoomY == 1.0F || ctx->Pixel.ZoomY == -1.0F)) {
+ if (!_mesa_clip_drawpixels(ctx, &destX, &destY,
+ &drawWidth, &drawHeight, &unpack)) {
+ /* image was completely clipped: no-op, all done */
+ return GL_TRUE;
+ }
+ simpleZoom = GL_TRUE;
+ yStep = (GLint) ctx->Pixel.ZoomY;
+ ASSERT(yStep == 1 || yStep == -1);
+ }
+ else {
+ /* non-simple zooming */
+ simpleZoom = GL_FALSE;
+ if (unpack.RowLength == 0)
+ unpack.RowLength = width;
+ }
- /* If we're not using pixel zoom then do all clipping calculations
- * now. Otherwise, we'll let the _swrast_write_zoomed_*_span() functions
- * handle the clipping.
- */
- if (ctx->Pixel.ZoomX==1.0F && ctx->Pixel.ZoomY==1.0F) {
- /* horizontal clipping */
- if (destX < ctx->DrawBuffer->_Xmin) {
- skipPixels += (ctx->DrawBuffer->_Xmin - destX);
- drawWidth -= (ctx->DrawBuffer->_Xmin - destX);
- destX = ctx->DrawBuffer->_Xmin;
- }
- if (destX + drawWidth > ctx->DrawBuffer->_Xmax)
- drawWidth -= (destX + drawWidth - ctx->DrawBuffer->_Xmax);
- if (drawWidth <= 0)
- return GL_TRUE;
+ /*
+ * Ready to draw!
+ * The window region at (destX, destY) of size (drawWidth, drawHeight)
+ * will be written to.
+ * We'll take pixel data from buffer pointed to by "pixels" but we'll
+ * skip "unpack.SkipRows" rows and skip "unpack.SkipPixels" pixels/row.
+ */
- /* vertical clipping */
- if (destY < ctx->DrawBuffer->_Ymin) {
- skipRows += (ctx->DrawBuffer->_Ymin - destY);
- drawHeight -= (ctx->DrawBuffer->_Ymin - destY);
- destY = ctx->DrawBuffer->_Ymin;
+ if (format == GL_RGBA && type == CHAN_TYPE && rbType == CHAN_TYPE) {
+ const GLchan *src = (const GLchan *) pixels
+ + (unpack.SkipRows * unpack.RowLength + unpack.SkipPixels) * 4;
+ if (simpleZoom) {
+ GLint row;
+ for (row = 0; row < drawHeight; row++) {
+ rb->PutRow(ctx, rb, drawWidth, destX, destY, src, NULL);
+ src += unpack.RowLength * 4;
+ destY += yStep;
}
- if (destY + drawHeight > ctx->DrawBuffer->_Ymax)
- drawHeight -= (destY + drawHeight - ctx->DrawBuffer->_Ymax);
- if (drawHeight <= 0)
- return GL_TRUE;
}
- else if (ctx->Pixel.ZoomX==1.0F && ctx->Pixel.ZoomY==-1.0F) {
- /* upside-down image */
- /* horizontal clipping */
- if (destX < ctx->DrawBuffer->_Xmin) {
- skipPixels += (ctx->DrawBuffer->_Xmin - destX);
- drawWidth -= (ctx->DrawBuffer->_Xmin - destX);
- destX = ctx->DrawBuffer->_Xmin;
+ else {
+ /* with zooming */
+ GLint row;
+ for (row = 0; row < drawHeight; row++) {
+ span.x = destX;
+ span.y = destY + row;
+ span.end = drawWidth;
+ _swrast_write_zoomed_rgba_span(ctx, imgX, imgY, &span,
+ (CONST GLchan (*)[4]) src);
+ src += unpack.RowLength * 4;
}
- if (destX + drawWidth > ctx->DrawBuffer->_Xmax)
- drawWidth -= (destX + drawWidth - ctx->DrawBuffer->_Xmax);
- if (drawWidth <= 0)
- return GL_TRUE;
+ }
+ return GL_TRUE;
+ }
- /* vertical clipping */
- if (destY > ctx->DrawBuffer->_Ymax) {
- skipRows += (destY - ctx->DrawBuffer->_Ymax);
- drawHeight -= (destY - ctx->DrawBuffer->_Ymax);
- destY = ctx->DrawBuffer->_Ymax;
+ if (format == GL_RGB && type == CHAN_TYPE && rbType == CHAN_TYPE) {
+ const GLchan *src = (const GLchan *) pixels
+ + (unpack.SkipRows * unpack.RowLength + unpack.SkipPixels) * 3;
+ if (simpleZoom) {
+ GLint row;
+ for (row = 0; row < drawHeight; row++) {
+ rb->PutRowRGB(ctx, rb, drawWidth, destX, destY, src, NULL);
+ src += unpack.RowLength * 3;
+ destY += yStep;
}
- if (destY - drawHeight < ctx->DrawBuffer->_Ymin)
- drawHeight -= (ctx->DrawBuffer->_Ymin - (destY - drawHeight));
- if (drawHeight <= 0)
- return GL_TRUE;
}
else {
- if (drawWidth > MAX_WIDTH)
- return GL_FALSE; /* fall back to general case path */
+ /* with zooming */
+ GLint row;
+ for (row = 0; row < drawHeight; row++) {
+ span.x = destX;
+ span.y = destY;
+ span.end = drawWidth;
+ _swrast_write_zoomed_rgb_span(ctx, imgX, imgY, &span,
+ (CONST GLchan (*)[3]) src);
+ src += unpack.RowLength * 3;
+ destY++;
+ }
}
+ return GL_TRUE;
+ }
-
- /*
- * Ready to draw!
- * The window region at (destX, destY) of size (drawWidth, drawHeight)
- * will be written to.
- * We'll take pixel data from buffer pointed to by "pixels" but we'll
- * skip "skipRows" rows and skip "skipPixels" pixels/row.
- */
-
- if (format == GL_RGBA && type == CHAN_TYPE) {
- if (ctx->Visual.rgbMode) {
- const GLchan *src = (const GLchan *) pixels
- + (skipRows * rowLength + skipPixels) * 4;
- if (ctx->Pixel.ZoomX==1.0F && ctx->Pixel.ZoomY==1.0F) {
- /* no zooming */
- GLint row;
- for (row=0; row<drawHeight; row++) {
- rb->PutRow(ctx, rb, drawWidth, destX, destY, src, NULL);
- src += rowLength * 4;
- destY++;
- }
- }
- else if (ctx->Pixel.ZoomX==1.0F && ctx->Pixel.ZoomY==-1.0F) {
- /* upside-down */
- GLint row;
- for (row=0; row<drawHeight; row++) {
- destY--;
- rb->PutRow(ctx, rb, drawWidth, destX, destY, src, NULL);
- src += rowLength * 4;
- }
- }
- else {
- /* with zooming */
- GLint row;
- for (row=0; row<drawHeight; row++) {
- span.x = destX;
- span.y = destY + row;
- span.end = drawWidth;
- _swrast_write_zoomed_rgba_span(ctx, imgX, imgY, &span,
- (CONST GLchan (*)[4]) src);
- src += rowLength * 4;
- }
+ if (format == GL_LUMINANCE && type == CHAN_TYPE && rbType == CHAN_TYPE) {
+ const GLchan *src = (const GLchan *) pixels
+ + (unpack.SkipRows * unpack.RowLength + unpack.SkipPixels);
+ if (simpleZoom) {
+ /* no zooming */
+ GLint row;
+ ASSERT(drawWidth <= MAX_WIDTH);
+ for (row = 0; row < drawHeight; row++) {
+ GLchan rgb[MAX_WIDTH][3];
+ GLint i;
+ for (i = 0;i<drawWidth;i++) {
+ rgb[i][0] = src[i];
+ rgb[i][1] = src[i];
+ rgb[i][2] = src[i];
}
+ rb->PutRowRGB(ctx, rb, drawWidth, destX, destY, rgb, NULL);
+ src += unpack.RowLength;
+ destY += yStep;
}
- return GL_TRUE;
}
- else if (format == GL_RGB && type == CHAN_TYPE) {
- if (ctx->Visual.rgbMode) {
- const GLchan *src = (const GLchan *) pixels
- + (skipRows * rowLength + skipPixels) * 3;
- if (ctx->Pixel.ZoomX==1.0F && ctx->Pixel.ZoomY==1.0F) {
- GLint row;
- for (row=0; row<drawHeight; row++) {
- rb->PutRowRGB(ctx, rb, drawWidth, destX, destY, src, NULL);
- src += rowLength * 3;
- destY++;
- }
- }
- else if (ctx->Pixel.ZoomX==1.0F && ctx->Pixel.ZoomY==-1.0F) {
- /* upside-down */
- GLint row;
- for (row=0; row<drawHeight; row++) {
- destY--;
- rb->PutRowRGB(ctx, rb, drawWidth, destX, destY, src, NULL);
- src += rowLength * 3;
- }
- }
- else {
- /* with zooming */
- GLint row;
- for (row=0; row<drawHeight; row++) {
- span.x = destX;
- span.y = destY;
- span.end = drawWidth;
- _swrast_write_zoomed_rgb_span(ctx, imgX, imgY, &span,
- (CONST GLchan (*)[3]) src);
- src += rowLength * 3;
- destY++;
- }
+ else {
+ /* with zooming */
+ GLint row;
+ ASSERT(drawWidth <= MAX_WIDTH);
+ for (row = 0; row < drawHeight; row++) {
+ GLchan rgb[MAX_WIDTH][3];
+ GLint i;
+ for (i = 0;i<drawWidth;i++) {
+ rgb[i][0] = src[i];
+ rgb[i][1] = src[i];
+ rgb[i][2] = src[i];
}
+ span.x = destX;
+ span.y = destY;
+ span.end = drawWidth;
+ _swrast_write_zoomed_rgb_span(ctx, imgX, imgY, &span,
+ (CONST GLchan (*)[3]) rgb);
+ src += unpack.RowLength;
+ destY++;
}
- return GL_TRUE;
}
- else if (format == GL_LUMINANCE && type == CHAN_TYPE) {
- if (ctx->Visual.rgbMode) {
- const GLchan *src = (const GLchan *) pixels
- + (skipRows * rowLength + skipPixels);
- if (ctx->Pixel.ZoomX==1.0F && ctx->Pixel.ZoomY==1.0F) {
- /* no zooming */
- GLint row;
- ASSERT(drawWidth <= MAX_WIDTH);
- for (row=0; row<drawHeight; row++) {
- GLchan rgb[MAX_WIDTH][3];
- GLint i;
- for (i=0;i<drawWidth;i++) {
- rgb[i][0] = src[i];
- rgb[i][1] = src[i];
- rgb[i][2] = src[i];
- }
- rb->PutRowRGB(ctx, rb, drawWidth, destX, destY, rgb, NULL);
- src += rowLength;
- destY++;
- }
- }
- else if (ctx->Pixel.ZoomX==1.0F && ctx->Pixel.ZoomY==-1.0F) {
- /* upside-down */
- GLint row;
- ASSERT(drawWidth <= MAX_WIDTH);
- for (row=0; row<drawHeight; row++) {
- GLchan rgb[MAX_WIDTH][3];
- GLint i;
- for (i=0;i<drawWidth;i++) {
- rgb[i][0] = src[i];
- rgb[i][1] = src[i];
- rgb[i][2] = src[i];
- }
- destY--;
- rb->PutRow(ctx, rb, drawWidth, destX, destY, rgb, NULL);
- src += rowLength;
- }
- }
- else {
- /* with zooming */
- GLint row;
- ASSERT(drawWidth <= MAX_WIDTH);
- for (row=0; row<drawHeight; row++) {
- GLchan rgb[MAX_WIDTH][3];
- GLint i;
- for (i=0;i<drawWidth;i++) {
- rgb[i][0] = src[i];
- rgb[i][1] = src[i];
- rgb[i][2] = src[i];
- }
- span.x = destX;
- span.y = destY;
- span.end = drawWidth;
- _swrast_write_zoomed_rgb_span(ctx, imgX, imgY, &span,
- (CONST GLchan (*)[3]) rgb);
- src += rowLength;
- destY++;
- }
+ return GL_TRUE;
+ }
+
+ if (format == GL_LUMINANCE_ALPHA && type == CHAN_TYPE && rbType == CHAN_TYPE) {
+ const GLchan *src = (const GLchan *) pixels
+ + (unpack.SkipRows * unpack.RowLength + unpack.SkipPixels)*2;
+ if (simpleZoom) {
+ GLint row;
+ ASSERT(drawWidth <= MAX_WIDTH);
+ for (row = 0; row < drawHeight; row++) {
+ GLint i;
+ const GLchan *ptr = src;
+ for (i = 0;i<drawWidth;i++) {
+ span.array->rgba[i][0] = *ptr;
+ span.array->rgba[i][1] = *ptr;
+ span.array->rgba[i][2] = *ptr++;
+ span.array->rgba[i][3] = *ptr++;
}
+ rb->PutRow(ctx, rb, drawWidth, destX, destY,
+ span.array->rgba, NULL);
+ src += unpack.RowLength*2;
+ destY += yStep;
}
- return GL_TRUE;
}
- else if (format == GL_LUMINANCE_ALPHA && type == CHAN_TYPE) {
- if (ctx->Visual.rgbMode) {
- const GLchan *src = (const GLchan *) pixels
- + (skipRows * rowLength + skipPixels)*2;
- if (ctx->Pixel.ZoomX==1.0F && ctx->Pixel.ZoomY==1.0F) {
- /* no zooming */
- GLint row;
- ASSERT(drawWidth <= MAX_WIDTH);
- for (row=0; row<drawHeight; row++) {
- GLint i;
- const GLchan *ptr = src;
- for (i=0;i<drawWidth;i++) {
- span.array->rgba[i][0] = *ptr;
- span.array->rgba[i][1] = *ptr;
- span.array->rgba[i][2] = *ptr++;
- span.array->rgba[i][3] = *ptr++;
- }
- rb->PutRow(ctx, rb, drawWidth, destX, destY,
- span.array->rgba, NULL);
- src += rowLength*2;
- destY++;
- }
- }
- else if (ctx->Pixel.ZoomX==1.0F && ctx->Pixel.ZoomY==-1.0F) {
- /* upside-down */
- GLint row;
- ASSERT(drawWidth <= MAX_WIDTH);
- for (row=0; row<drawHeight; row++) {
- GLint i;
- const GLchan *ptr = src;
- for (i=0;i<drawWidth;i++) {
- span.array->rgba[i][0] = *ptr;
- span.array->rgba[i][1] = *ptr;
- span.array->rgba[i][2] = *ptr++;
- span.array->rgba[i][3] = *ptr++;
- }
- destY--;
- rb->PutRow(ctx, rb, drawWidth, destX, destY,
- span.array->rgba, NULL);
- src += rowLength*2;
- }
- }
- else {
- /* with zooming */
- GLint row;
- ASSERT(drawWidth <= MAX_WIDTH);
- for (row=0; row<drawHeight; row++) {
- const GLchan *ptr = src;
- GLint i;
- for (i=0;i<drawWidth;i++) {
- span.array->rgba[i][0] = *ptr;
- span.array->rgba[i][1] = *ptr;
- span.array->rgba[i][2] = *ptr++;
- span.array->rgba[i][3] = *ptr++;
- }
- span.x = destX;
- span.y = destY;
- span.end = drawWidth;
- _swrast_write_zoomed_rgba_span(ctx, imgX, imgY, &span,
- (CONST GLchan (*)[4]) span.array->rgba);
- src += rowLength*2;
- destY++;
- }
+ else {
+ /* with zooming */
+ GLint row;
+ ASSERT(drawWidth <= MAX_WIDTH);
+ for (row = 0; row < drawHeight; row++) {
+ const GLchan *ptr = src;
+ GLint i;
+ for (i = 0;i<drawWidth;i++) {
+ span.array->rgba[i][0] = *ptr;
+ span.array->rgba[i][1] = *ptr;
+ span.array->rgba[i][2] = *ptr++;
+ span.array->rgba[i][3] = *ptr++;
}
+ span.x = destX;
+ span.y = destY;
+ span.end = drawWidth;
+ _swrast_write_zoomed_rgba_span(ctx, imgX, imgY, &span,
+ (CONST GLchan (*)[4]) span.array->rgba);
+ src += unpack.RowLength*2;
+ destY++;
}
- return GL_TRUE;
}
- else if (format==GL_COLOR_INDEX && type==GL_UNSIGNED_BYTE) {
- const GLubyte *src =
- (const GLubyte *) pixels + skipRows * rowLength + skipPixels;
- if (ctx->Visual.rgbMode) {
- /* convert CI data to RGBA */
- if (ctx->Pixel.ZoomX==1.0F && ctx->Pixel.ZoomY==1.0F) {
- /* no zooming */
- GLint row;
- for (row=0; row<drawHeight; row++) {
- ASSERT(drawWidth <= MAX_WIDTH);
- _mesa_map_ci8_to_rgba(ctx, drawWidth, src, span.array->rgba);
- rb->PutRow(ctx, rb, drawWidth, destX, destY,
- span.array->rgba, NULL);
- src += rowLength;
- destY++;
- }
- return GL_TRUE;
- }
- else if (ctx->Pixel.ZoomX==1.0F && ctx->Pixel.ZoomY==-1.0F) {
- /* upside-down */
- GLint row;
- for (row=0; row<drawHeight; row++) {
- ASSERT(drawWidth <= MAX_WIDTH);
- _mesa_map_ci8_to_rgba(ctx, drawWidth, src, span.array->rgba);
- destY--;
- rb->PutRow(ctx, rb, drawWidth, destX, destY,
- span.array->rgba, NULL);
- src += rowLength;
- }
- return GL_TRUE;
- }
- else {
- /* with zooming */
- GLint row;
- for (row=0; row<drawHeight; row++) {
- ASSERT(drawWidth <= MAX_WIDTH);
- _mesa_map_ci8_to_rgba(ctx, drawWidth, src, span.array->rgba);
- span.x = destX;
- span.y = destY;
- span.end = drawWidth;
- _swrast_write_zoomed_rgba_span(ctx, imgX, imgY, &span,
- (CONST GLchan (*)[4]) span.array->rgba);
- src += rowLength;
- destY++;
- }
- return GL_TRUE;
+ return GL_TRUE;
+ }
+
+ if (format==GL_COLOR_INDEX && type==GL_UNSIGNED_BYTE) {
+ const GLubyte *src = (const GLubyte *) pixels
+ + unpack.SkipRows * unpack.RowLength + unpack.SkipPixels;
+ if (ctx->Visual.rgbMode && rbType == CHAN_TYPE) {
+ /* convert CI data to RGBA */
+ if (simpleZoom) {
+ GLint row;
+ for (row = 0; row < drawHeight; row++) {
+ ASSERT(drawWidth <= MAX_WIDTH);
+ _mesa_map_ci8_to_rgba(ctx, drawWidth, src, span.array->rgba);
+ rb->PutRow(ctx, rb, drawWidth, destX, destY,
+ span.array->rgba, NULL);
+ src += unpack.RowLength;
+ destY += yStep;
}
}
else {
- /* write CI data to CI frame buffer */
+ /* with zooming */
GLint row;
- if (ctx->Pixel.ZoomX==1.0F && ctx->Pixel.ZoomY==1.0F) {
- /* no zooming */
- for (row=0; row<drawHeight; row++) {
- GLuint index32[MAX_WIDTH];
- GLint col;
- for (col = 0; col < drawWidth; col++)
- index32[col] = src[col];
- rb->PutRow(ctx, rb, drawWidth, destX, destY, index32, NULL);
- src += rowLength;
- destY++;
- }
- return GL_TRUE;
- }
- else {
- /* with zooming */
- return GL_FALSE;
+ for (row = 0; row < drawHeight; row++) {
+ ASSERT(drawWidth <= MAX_WIDTH);
+ _mesa_map_ci8_to_rgba(ctx, drawWidth, src, span.array->rgba);
+ span.x = destX;
+ span.y = destY;
+ span.end = drawWidth;
+ _swrast_write_zoomed_rgba_span(ctx, imgX, imgY, &span,
+ (CONST GLchan (*)[4]) span.array->rgba);
+ src += unpack.RowLength;
+ destY++;
}
}
+ return GL_TRUE;
}
- else {
- /* can't handle this pixel format and/or data type here */
- return GL_FALSE;
+ else if (!ctx->Visual.rgbMode && rbType == GL_UNSIGNED_INT) {
+ /* write CI data to CI frame buffer */
+ GLint row;
+ if (simpleZoom) {
+ for (row = 0; row < drawHeight; row++) {
+ GLuint index32[MAX_WIDTH];
+ GLint col;
+ for (col = 0; col < drawWidth; col++)
+ index32[col] = src[col];
+ rb->PutRow(ctx, rb, drawWidth, destX, destY, index32, NULL);
+ src += unpack.RowLength;
+ destY += yStep;
+ }
+ return GL_TRUE;
+ }
}
}
- /* can't do a simple draw, have to use slow path */
+ /* can't handle this pixel format and/or data type */
return GL_FALSE;
}
GLuint transferOps = ctx->_ImageTransferState;
SWspan span;
- INIT_SPAN(span, GL_BITMAP, 0, 0, SPAN_RGBA);
-
/* Try an optimized glDrawPixels first */
if (fast_draw_pixels(ctx, x, y, width, height, format, type, unpack, pixels))
return;
+ INIT_SPAN(span, GL_BITMAP, 0, 0, SPAN_RGBA);
+
if (ctx->Depth.Test)
_swrast_span_default_z(ctx, &span);
if (swrast->_FogEnabled)
&& x + width <= (GLint) ctx->DrawBuffer->Width
&& y + height <= (GLint) ctx->DrawBuffer->Height
&& ctx->DrawBuffer->_NumColorDrawBuffers[0] == 1) {
- quickDraw = GL_TRUE;
rb = ctx->DrawBuffer->_ColorDrawBuffers[0][0];
+ if (rb->DataType == format)
+ quickDraw = GL_TRUE;
+ else
+ quickDraw = GL_FALSE;
}
else {
quickDraw = GL_FALSE;
* General solution
*/
{
+ const GLboolean sink = (ctx->Pixel.MinMaxEnabled && ctx->MinMax.Sink)
+ || (ctx->Pixel.HistogramEnabled && ctx->Histogram.Sink);
const GLbitfield interpMask = span.interpMask;
const GLbitfield arrayMask = span.arrayMask;
GLint skipPixels = 0;
/* Set these for each row since the _swrast_write_* function may
* change them while clipping.
*/
+ span.array->ChanType = CHAN_TYPE;
span.x = x + skipPixels;
span.y = y + row;
span.end = spanWidth;
format, type, source, unpack,
transferOps);
- if ((ctx->Pixel.MinMaxEnabled && ctx->MinMax.Sink) ||
- (ctx->Pixel.HistogramEnabled && ctx->Histogram.Sink))
+ if (sink)
continue;
/* draw the span */
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