/*
* Mesa 3-D graphics library
- * Version: 6.5.3
+ * Version: 7.1
*
* Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
*
*/
-#include "glheader.h"
-#include "context.h"
-#include "colormac.h"
-#include "convolve.h"
-#include "histogram.h"
-#include "image.h"
-#include "macros.h"
-#include "imports.h"
-#include "pixel.h"
+#include "main/glheader.h"
+#include "main/context.h"
+#include "main/colormac.h"
+#include "main/condrender.h"
+#include "main/image.h"
+#include "main/macros.h"
+#include "main/imports.h"
#include "s_context.h"
#include "s_depth.h"
}
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 {
}
-/**
- * RGBA copypixels with convolution.
- */
-static void
-copy_conv_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
- GLint width, GLint height, GLint destx, GLint desty)
-{
- GLint row;
- const GLboolean zoom = ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F;
- const GLbitfield transferOps = ctx->_ImageTransferState;
- const GLboolean sink = (ctx->Pixel.MinMaxEnabled && ctx->MinMax.Sink)
- || (ctx->Pixel.HistogramEnabled && ctx->Histogram.Sink);
- GLfloat *dest, *tmpImage, *convImage;
- SWspan span;
-
- 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));
- if (!tmpImage) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyPixels");
- return;
- }
- convImage = (GLfloat *) _mesa_malloc(width * height * 4 * sizeof(GLfloat));
- if (!convImage) {
- _mesa_free(tmpImage);
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyPixels");
- return;
- }
-
- /* read source image as float/RGBA */
- dest = tmpImage;
- for (row = 0; row < height; row++) {
- _swrast_read_rgba_span(ctx, ctx->ReadBuffer->_ColorReadBuffer,
- width, srcx, srcy + row, GL_FLOAT, dest);
- dest += 4 * width;
- }
-
- /* do the image transfer ops which preceed convolution */
- for (row = 0; row < height; row++) {
- GLfloat (*rgba)[4] = (GLfloat (*)[4]) (tmpImage + row * width * 4);
- _mesa_apply_rgba_transfer_ops(ctx,
- transferOps & IMAGE_PRE_CONVOLUTION_BITS,
- width, rgba);
- }
-
- /* do convolution */
- if (ctx->Pixel.Convolution2DEnabled) {
- _mesa_convolve_2d_image(ctx, &width, &height, tmpImage, convImage);
- }
- else {
- ASSERT(ctx->Pixel.Separable2DEnabled);
- _mesa_convolve_sep_image(ctx, &width, &height, tmpImage, convImage);
- }
- _mesa_free(tmpImage);
-
- /* do remaining post-convolution image transfer ops */
- for (row = 0; row < height; row++) {
- GLfloat (*rgba)[4] = (GLfloat (*)[4]) (convImage + row * width * 4);
- _mesa_apply_rgba_transfer_ops(ctx,
- transferOps & IMAGE_POST_CONVOLUTION_BITS,
- width, rgba);
- }
-
- if (!sink) {
- /* write the new image */
- for (row = 0; row < height; row++) {
- const GLfloat *src = convImage + row * width * 4;
- GLfloat *rgba = (GLfloat *) span.array->attribs[FRAG_ATTRIB_COL0];
-
- /* copy convolved colors into span array */
- _mesa_memcpy(rgba, src, width * 4 * sizeof(GLfloat));
-
- /* write span */
- span.x = destx;
- span.y = desty + row;
- span.end = width;
- span.array->ChanType = GL_FLOAT;
- if (zoom) {
- _swrast_write_zoomed_rgba_span(ctx, destx, desty, &span, rgba);
- }
- else {
- _swrast_write_rgba_span(ctx, &span);
- }
- }
- /* restore this */
- span.array->ChanType = CHAN_TYPE;
- }
-
- _mesa_free(convImage);
-}
-
-
/**
* RGBA copypixels
*/
static void
-copy_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
+copy_rgba_pixels(struct gl_context *ctx, GLint srcx, GLint srcy,
GLint width, GLint height, GLint destx, GLint desty)
{
GLfloat *tmpImage, *p;
return;
}
- if (ctx->Pixel.Convolution2DEnabled || ctx->Pixel.Separable2DEnabled) {
- copy_conv_rgba_pixels(ctx, srcx, srcy, width, height, destx, desty);
- return;
- }
- else if (ctx->Pixel.Convolution1DEnabled) {
- /* make sure we don't apply 1D convolution */
- transferOps &= ~(IMAGE_CONVOLUTION_BIT |
- IMAGE_POST_CONVOLUTION_SCALE_BIAS);
- }
-
if (ctx->DrawBuffer == ctx->ReadBuffer) {
overlapping = regions_overlap(srcx, srcy, destx, desty, width, height,
ctx->Pixel.ZoomX, ctx->Pixel.ZoomY);
span.arrayAttribs = FRAG_BIT_COL0; /* we'll fill in COL0 attrib values */
if (overlapping) {
- tmpImage = (GLfloat *) _mesa_malloc(width * height * sizeof(GLfloat) * 4);
+ tmpImage = (GLfloat *) malloc(width * height * sizeof(GLfloat) * 4);
if (!tmpImage) {
_mesa_error( ctx, GL_OUT_OF_MEMORY, "glCopyPixels" );
return;
/* Get row/span of source pixels */
if (overlapping) {
/* get from buffered image */
- _mesa_memcpy(rgba, p, width * sizeof(GLfloat) * 4);
+ memcpy(rgba, p, width * sizeof(GLfloat) * 4);
p += width * 4;
}
else {
span.array->ChanType = CHAN_TYPE; /* restore */
if (overlapping)
- _mesa_free(tmpImage);
-}
-
-
-static void
-copy_ci_pixels( GLcontext *ctx, GLint srcx, GLint srcy,
- GLint width, GLint height,
- GLint destx, GLint desty )
-{
- GLuint *tmpImage,*p;
- GLint sy, dy, stepy;
- GLint j;
- const GLboolean zoom = ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F;
- GLint overlapping;
- SWspan span;
-
- if (!ctx->ReadBuffer->_ColorReadBuffer) {
- /* no readbuffer - OK */
- return;
- }
-
- 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,
- ctx->Pixel.ZoomX, ctx->Pixel.ZoomY);
- }
- else {
- overlapping = GL_FALSE;
- }
-
- /* Determine if copy should be bottom-to-top or top-to-bottom */
- if (!overlapping && srcy < desty) {
- /* top-down max-to-min */
- sy = srcy + height - 1;
- dy = desty + height - 1;
- stepy = -1;
- }
- else {
- /* bottom-up min-to-max */
- sy = srcy;
- dy = desty;
- stepy = 1;
- }
-
- if (overlapping) {
- GLint ssy = sy;
- tmpImage = (GLuint *) _mesa_malloc(width * height * sizeof(GLuint));
- if (!tmpImage) {
- _mesa_error( ctx, GL_OUT_OF_MEMORY, "glCopyPixels" );
- return;
- }
- /* read the image */
- p = tmpImage;
- for (j = 0; j < height; j++, ssy += stepy) {
- _swrast_read_index_span( ctx, ctx->ReadBuffer->_ColorReadBuffer,
- width, srcx, ssy, p );
- p += width;
- }
- p = tmpImage;
- }
- else {
- tmpImage = NULL; /* silence compiler warning */
- p = NULL;
- }
-
- for (j = 0; j < height; j++, sy += stepy, dy += stepy) {
- /* Get color indexes */
- if (overlapping) {
- _mesa_memcpy(span.array->index, p, width * sizeof(GLuint));
- p += width;
- }
- else {
- _swrast_read_index_span( ctx, ctx->ReadBuffer->_ColorReadBuffer,
- width, srcx, sy, span.array->index );
- }
-
- if (ctx->_ImageTransferState)
- _mesa_apply_ci_transfer_ops(ctx, ctx->_ImageTransferState,
- width, span.array->index);
-
- /* write color indexes */
- span.x = destx;
- span.y = dy;
- span.end = width;
- if (zoom)
- _swrast_write_zoomed_index_span(ctx, destx, desty, &span);
- else
- _swrast_write_index_span(ctx, &span);
- }
-
- if (overlapping)
- _mesa_free(tmpImage);
+ free(tmpImage);
}
* Z scale and bias.
*/
static void
-scale_and_bias_z(GLcontext *ctx, GLuint width,
+scale_and_bias_z(struct gl_context *ctx, GLuint width,
const GLfloat depth[], GLuint z[])
{
const GLuint depthMax = ctx->DrawBuffer->_DepthMax;
* TODO: Optimize!!!!
*/
static void
-copy_depth_pixels( GLcontext *ctx, GLint srcx, GLint srcy,
+copy_depth_pixels( struct gl_context *ctx, GLint srcx, GLint srcy,
GLint width, GLint height,
GLint destx, GLint desty )
{
if (overlapping) {
GLint ssy = sy;
- tmpImage = (GLfloat *) _mesa_malloc(width * height * sizeof(GLfloat));
+ tmpImage = (GLfloat *) malloc(width * height * sizeof(GLfloat));
if (!tmpImage) {
_mesa_error( ctx, GL_OUT_OF_MEMORY, "glCopyPixels" );
return;
GLfloat depth[MAX_WIDTH];
/* get depth values */
if (overlapping) {
- _mesa_memcpy(depth, p, width * sizeof(GLfloat));
+ memcpy(depth, p, width * sizeof(GLfloat));
p += width;
}
else {
span.x = destx;
span.y = dy;
span.end = width;
- if (fb->Visual.rgbMode) {
- if (zoom)
- _swrast_write_zoomed_depth_span(ctx, destx, desty, &span);
- else
- _swrast_write_rgba_span(ctx, &span);
- }
- else {
- if (zoom)
- _swrast_write_zoomed_depth_span(ctx, destx, desty, &span);
- else
- _swrast_write_index_span(ctx, &span);
- }
+ if (zoom)
+ _swrast_write_zoomed_depth_span(ctx, destx, desty, &span);
+ else
+ _swrast_write_rgba_span(ctx, &span);
}
if (overlapping)
- _mesa_free(tmpImage);
+ free(tmpImage);
}
static void
-copy_stencil_pixels( GLcontext *ctx, GLint srcx, GLint srcy,
+copy_stencil_pixels( struct gl_context *ctx, GLint srcx, GLint srcy,
GLint width, GLint height,
GLint destx, GLint desty )
{
if (overlapping) {
GLint ssy = sy;
- tmpImage = (GLstencil *) _mesa_malloc(width * height * sizeof(GLstencil));
+ tmpImage = (GLstencil *) malloc(width * height * sizeof(GLstencil));
if (!tmpImage) {
_mesa_error( ctx, GL_OUT_OF_MEMORY, "glCopyPixels" );
return;
/* Get stencil values */
if (overlapping) {
- _mesa_memcpy(stencil, p, width * sizeof(GLstencil));
+ memcpy(stencil, p, width * sizeof(GLstencil));
p += width;
}
else {
}
if (overlapping)
- _mesa_free(tmpImage);
+ free(tmpImage);
}
* CopyPixels function.
*/
static void
-copy_depth_stencil_pixels(GLcontext *ctx,
+copy_depth_stencil_pixels(struct gl_context *ctx,
const GLint srcX, const GLint srcY,
const GLint width, const GLint height,
const GLint destX, const GLint destY)
if (stencilMask != 0x0) {
tempStencilImage
- = (GLstencil *) _mesa_malloc(width * height * sizeof(GLstencil));
+ = (GLstencil *) malloc(width * height * sizeof(GLstencil));
if (!tempStencilImage) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyPixels");
return;
if (ctx->Depth.Mask) {
tempDepthImage
- = (GLfloat *) _mesa_malloc(width * height * sizeof(GLfloat));
+ = (GLfloat *) malloc(width * height * sizeof(GLfloat));
if (!tempDepthImage) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyPixels");
- _mesa_free(tempStencilImage);
+ free(tempStencilImage);
return;
}
/* Get stencil values */
if (overlapping) {
- _mesa_memcpy(stencil, stencilPtr, width * sizeof(GLstencil));
+ memcpy(stencil, stencilPtr, width * sizeof(GLstencil));
stencilPtr += width;
}
else {
/* get depth values */
if (overlapping) {
- _mesa_memcpy(depth, depthPtr, width * sizeof(GLfloat));
+ memcpy(depth, depthPtr, width * sizeof(GLfloat));
depthPtr += width;
}
else {
}
if (tempStencilImage)
- _mesa_free(tempStencilImage);
+ free(tempStencilImage);
if (tempDepthImage)
- _mesa_free(tempDepthImage);
+ free(tempDepthImage);
}
* Try to do a fast copy pixels.
*/
static GLboolean
-fast_copy_pixels(GLcontext *ctx,
+fast_copy_pixels(struct gl_context *ctx,
GLint srcX, GLint srcY, GLsizei width, GLsizei height,
GLint dstX, GLint dstY, GLenum type)
{
}
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;
* By time we get here, all parameters will have been error-checked.
*/
void
-_swrast_CopyPixels( GLcontext *ctx,
+_swrast_CopyPixels( struct gl_context *ctx,
GLint srcx, GLint srcy, GLsizei width, GLsizei height,
GLint destx, GLint desty, GLenum type )
{
SWcontext *swrast = SWRAST_CONTEXT(ctx);
- RENDER_START(swrast,ctx);
+ swrast_render_start(ctx);
+ if (!_mesa_check_conditional_render(ctx))
+ return; /* don't copy */
+
if (swrast->NewState)
_swrast_validate_derived( ctx );
if (!fast_copy_pixels(ctx, srcx, srcy, width, height, destx, desty, type)) {
switch (type) {
case GL_COLOR:
- if (ctx->Visual.rgbMode) {
- copy_rgba_pixels( ctx, srcx, srcy, width, height, destx, desty );
- }
- else {
- copy_ci_pixels( ctx, srcx, srcy, width, height, destx, desty );
- }
+ copy_rgba_pixels( ctx, srcx, srcy, width, height, destx, desty );
break;
case GL_DEPTH:
copy_depth_pixels( ctx, srcx, srcy, width, height, destx, desty );
}
}
- RENDER_FINISH(swrast,ctx);
+ swrast_render_finish(ctx);
}
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