/*
* Mesa 3-D graphics library
- * Version: 6.5.3
+ * Version: 7.1
*
* Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
*
}
else {
/* add one pixel of slop when zooming, just to be safe */
- if ((srcx > dstx + (width * zoomX) + 1) || (srcx + width + 1 < dstx)) {
+ if (srcx > (dstx + ((zoomX > 0.0F) ? (width * zoomX + 1.0F) : 0.0F))) {
+ /* src is completely right of dest */
+ return GL_FALSE;
+ }
+ else if (srcx + width + 1.0F < dstx + ((zoomX > 0.0F) ? 0.0F : (width * zoomX))) {
+ /* src is completely left of dest */
return GL_FALSE;
}
else if ((srcy < dsty) && (srcy + height < dsty + (height * zoomY))) {
+ /* src is completely below dest */
return GL_FALSE;
}
else if ((srcy > dsty) && (srcy + height > dsty + (height * zoomY))) {
+ /* src is completely above dest */
return GL_FALSE;
}
else {
GLfloat *dest, *tmpImage, *convImage;
SWspan span;
- INIT_SPAN(span, GL_BITMAP, 0, 0, SPAN_RGBA);
+ INIT_SPAN(span, GL_BITMAP);
_swrast_span_default_attribs(ctx, &span);
+ span.arrayMask = SPAN_RGBA;
+ span.arrayAttribs = FRAG_BIT_COL0;
/* allocate space for GLfloat image */
tmpImage = (GLfloat *) _mesa_malloc(width * height * 4 * sizeof(GLfloat));
/* write the new image */
for (row = 0; row < height; row++) {
const GLfloat *src = convImage + row * width * 4;
- GLvoid *rgba = (GLvoid *) span.array->attribs[FRAG_ATTRIB_COL0];
+ GLfloat *rgba = (GLfloat *) span.array->attribs[FRAG_ATTRIB_COL0];
/* copy convolved colors into span array */
_mesa_memcpy(rgba, src, width * 4 * sizeof(GLfloat));
copy_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
GLint width, GLint height, GLint destx, GLint desty)
{
- SWcontext *swrast = SWRAST_CONTEXT(ctx);
- const GLbitfield prevActiveAttribs = swrast->_ActiveAttribMask;
GLfloat *tmpImage, *p;
GLint sy, dy, stepy, row;
const GLboolean zoom = ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F;
if (!ctx->ReadBuffer->_ColorReadBuffer) {
/* no readbuffer - OK */
- goto end;
+ return;
}
- /* don't interpolate COL0 and overwrite the glDrawPixel colors! */
- swrast->_ActiveAttribMask &= ~FRAG_BIT_COL0;
-
if (ctx->Pixel.Convolution2DEnabled || ctx->Pixel.Separable2DEnabled) {
copy_conv_rgba_pixels(ctx, srcx, srcy, width, height, destx, desty);
- goto end;
+ return;
}
else if (ctx->Pixel.Convolution1DEnabled) {
/* make sure we don't apply 1D convolution */
stepy = 1;
}
- INIT_SPAN(span, GL_BITMAP, 0, 0, SPAN_RGBA);
+ INIT_SPAN(span, GL_BITMAP);
_swrast_span_default_attribs(ctx, &span);
+ span.arrayMask = SPAN_RGBA;
+ span.arrayAttribs = FRAG_BIT_COL0; /* we'll fill in COL0 attrib values */
if (overlapping) {
tmpImage = (GLfloat *) _mesa_malloc(width * height * sizeof(GLfloat) * 4);
if (!tmpImage) {
_mesa_error( ctx, GL_OUT_OF_MEMORY, "glCopyPixels" );
- goto end;
+ return;
}
/* read the source image as RGBA/float */
p = tmpImage;
if (overlapping)
_mesa_free(tmpImage);
-
-end:
- swrast->_ActiveAttribMask = prevActiveAttribs;
}
return;
}
- INIT_SPAN(span, GL_BITMAP, 0, 0, SPAN_INDEX);
+ INIT_SPAN(span, GL_BITMAP);
_swrast_span_default_attribs(ctx, &span);
+ span.arrayMask = SPAN_INDEX;
if (ctx->DrawBuffer == ctx->ReadBuffer) {
overlapping = regions_overlap(srcx, srcy, destx, desty, width, height,
return;
}
- INIT_SPAN(span, GL_BITMAP, 0, 0, SPAN_Z);
+ INIT_SPAN(span, GL_BITMAP);
_swrast_span_default_attribs(ctx, &span);
+ span.arrayMask = SPAN_Z;
if (ctx->DrawBuffer == ctx->ReadBuffer) {
overlapping = regions_overlap(srcx, srcy, destx, desty, width, height,
}
if (type == GL_COLOR) {
- if (dstFb->_NumColorDrawBuffers[0] != 1)
+ if (dstFb->_NumColorDrawBuffers != 1)
return GL_FALSE;
srcRb = srcFb->_ColorReadBuffer;
- dstRb = dstFb->_ColorDrawBuffers[0][0];
+ dstRb = dstFb->_ColorDrawBuffers[0];
}
else if (type == GL_STENCIL) {
srcRb = srcFb->_StencilBuffer;