/*
* Mesa 3-D graphics library
- * Version: 7.1
*
* Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR 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.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * 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.
*/
#include "main/glheader.h"
#include "main/context.h"
-#include "main/colormac.h"
#include "main/condrender.h"
#include "main/macros.h"
+#include "main/blit.h"
#include "main/pixeltransfer.h"
-#include "main/imports.h"
+
#include "s_context.h"
#include "s_depth.h"
GLint width, GLint height,
GLfloat zoomX, GLfloat zoomY)
{
- if (zoomX == 1.0 && zoomY == 1.0) {
- /* no zoom */
- if (srcx >= dstx + width || (srcx + width <= dstx)) {
- return GL_FALSE;
- }
- else if (srcy < dsty) { /* this is OK */
- return GL_FALSE;
- }
- else if (srcy > dsty + height) {
- return GL_FALSE;
- }
- else {
- return GL_TRUE;
- }
+ if (zoomX == 1.0F && zoomY == 1.0F) {
+ return _mesa_regions_overlap(srcx, srcy, srcx + width, srcy + height,
+ dstx, dsty, dstx + width, dsty + height);
}
else {
/* add one pixel of slop when zooming, just to be safe */
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 */
+ span.arrayAttribs = VARYING_BIT_COL0; /* we'll fill in COL0 attrib values */
if (overlapping) {
- tmpImage = (GLfloat *) malloc(width * height * sizeof(GLfloat) * 4);
+ tmpImage = malloc(width * height * sizeof(GLfloat) * 4);
if (!tmpImage) {
_mesa_error( ctx, GL_OUT_OF_MEMORY, "glCopyPixels" );
return;
p = NULL;
}
- ASSERT(width < MAX_WIDTH);
+ assert(width < SWRAST_MAX_WIDTH);
for (row = 0; row < height; row++, sy += stepy, dy += stepy) {
- GLvoid *rgba = span.array->attribs[FRAG_ATTRIB_COL0];
+ GLvoid *rgba = span.array->attribs[VARYING_SLOT_COL0];
/* Get row/span of source pixels */
if (overlapping) {
GLuint i;
if (depthMax <= 0xffffff &&
- ctx->Pixel.DepthScale == 1.0 &&
- ctx->Pixel.DepthBias == 0.0) {
+ ctx->Pixel.DepthScale == 1.0F &&
+ ctx->Pixel.DepthBias == 0.0F) {
/* no scale or bias and no clamping and no worry of overflow */
const GLfloat depthMaxF = ctx->DrawBuffer->_DepthMaxF;
for (i = 0; i < width; i++) {
{
struct gl_framebuffer *fb = ctx->ReadBuffer;
struct gl_renderbuffer *readRb = fb->Attachment[BUFFER_DEPTH].Renderbuffer;
- GLfloat *p, *tmpImage;
+ GLfloat *p, *tmpImage, *depth;
GLint sy, dy, stepy;
GLint j;
const GLboolean zoom = ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F;
if (overlapping) {
GLint ssy = sy;
- tmpImage = (GLfloat *) malloc(width * height * sizeof(GLfloat));
+ tmpImage = malloc(width * height * sizeof(GLfloat));
if (!tmpImage) {
_mesa_error( ctx, GL_OUT_OF_MEMORY, "glCopyPixels" );
return;
p = NULL;
}
+ depth = malloc(width * sizeof(GLfloat));
+ if (!depth) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyPixels()");
+ goto end;
+ }
+
for (j = 0; j < height; j++, sy += stepy, dy += stepy) {
- GLfloat depth[MAX_WIDTH];
/* get depth values */
if (overlapping) {
memcpy(depth, p, width * sizeof(GLfloat));
_swrast_write_rgba_span(ctx, &span);
}
+ free(depth);
+
+end:
if (overlapping)
free(tmpImage);
}
struct gl_renderbuffer *rb = fb->Attachment[BUFFER_STENCIL].Renderbuffer;
GLint sy, dy, stepy;
GLint j;
- GLubyte *p, *tmpImage;
+ GLubyte *p, *tmpImage, *stencil;
const GLboolean zoom = ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F;
GLint overlapping;
if (overlapping) {
GLint ssy = sy;
- tmpImage = (GLubyte *) malloc(width * height * sizeof(GLubyte));
+ tmpImage = malloc(width * height * sizeof(GLubyte));
if (!tmpImage) {
_mesa_error( ctx, GL_OUT_OF_MEMORY, "glCopyPixels" );
return;
p = NULL;
}
- for (j = 0; j < height; j++, sy += stepy, dy += stepy) {
- GLubyte stencil[MAX_WIDTH];
+ stencil = malloc(width * sizeof(GLubyte));
+ if (!stencil) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyPixels()");
+ goto end;
+ }
+ for (j = 0; j < height; j++, sy += stepy, dy += stepy) {
/* Get stencil values */
if (overlapping) {
memcpy(stencil, p, width * sizeof(GLubyte));
}
}
+ free(stencil);
+
+end:
if (overlapping)
free(tmpImage);
}
*/
GLboolean
swrast_fast_copy_pixels(struct gl_context *ctx,
- GLint srcX, GLint srcY, GLsizei width, GLsizei height,
- GLint dstX, GLint dstY, GLenum type)
+ struct gl_framebuffer *srcFb,
+ struct gl_framebuffer *dstFb,
+ GLint srcX, GLint srcY, GLsizei width, GLsizei height,
+ GLint dstX, GLint dstY, GLenum type)
{
- struct gl_framebuffer *srcFb = ctx->ReadBuffer;
- struct gl_framebuffer *dstFb = ctx->DrawBuffer;
struct gl_renderbuffer *srcRb, *dstRb;
GLint row;
GLuint pixelBytes, widthInBytes;
dstRb = dstFb->Attachment[BUFFER_DEPTH].Renderbuffer;
}
else {
- ASSERT(type == GL_DEPTH_STENCIL_EXT);
+ assert(type == GL_DEPTH_STENCIL_EXT);
/* XXX correct? */
srcRb = srcFb->Attachment[BUFFER_DEPTH].Renderbuffer;
dstRb = dstFb->Attachment[BUFFER_DEPTH].Renderbuffer;
ctx->Driver.MapRenderbuffer(ctx, srcRb, 0, 0,
srcRb->Width, srcRb->Height,
GL_MAP_READ_BIT | GL_MAP_WRITE_BIT,
- &map, &rowStride);
+ &map, &rowStride, srcFb->FlipY);
if (!map) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyPixels");
return GL_TRUE; /* don't retry with slow path */
/* different src/dst buffers */
ctx->Driver.MapRenderbuffer(ctx, srcRb, srcX, srcY,
width, height,
- GL_MAP_READ_BIT, &srcMap, &srcRowStride);
+ GL_MAP_READ_BIT, &srcMap, &srcRowStride,
+ srcFb->FlipY);
if (!srcMap) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyPixels");
return GL_TRUE; /* don't retry with slow path */
}
ctx->Driver.MapRenderbuffer(ctx, dstRb, dstX, dstY,
width, height,
- GL_MAP_WRITE_BIT, &dstMap, &dstRowStride);
+ GL_MAP_WRITE_BIT, &dstMap, &dstRowStride,
+ dstFb->FlipY);
if (!dstMap) {
ctx->Driver.UnmapRenderbuffer(ctx, srcRb);
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyPixels");
ctx->Driver.MapRenderbuffer(ctx, rb,
0, 0, rb->Width, rb->Height,
GL_MAP_READ_BIT,
- &srb->Map, &srb->RowStride);
+ &srb->Map, &srb->RowStride,
+ fb->FlipY);
return rb;
}
* By time we get here, all parameters will have been error-checked.
*/
void
-_swrast_CopyPixels( struct gl_context *ctx,
- GLint srcx, GLint srcy, GLsizei width, GLsizei height,
- GLint destx, GLint desty, GLenum type )
+_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);
struct gl_renderbuffer *rb;
-
+
if (!_mesa_check_conditional_render(ctx))
return; /* don't copy */
_swrast_validate_derived( ctx );
if (!(SWRAST_CONTEXT(ctx)->_RasterMask != 0x0 ||
- ctx->Pixel.ZoomX != 1.0F ||
- ctx->Pixel.ZoomY != 1.0F ||
- ctx->_ImageTransferState) &&
- swrast_fast_copy_pixels(ctx, srcx, srcy, width, height, destx, desty,
- type)) {
+ ctx->Pixel.ZoomX != 1.0F ||
+ ctx->Pixel.ZoomY != 1.0F ||
+ ctx->_ImageTransferState) &&
+ swrast_fast_copy_pixels(ctx, ctx->ReadBuffer, ctx->DrawBuffer,
+ srcx, srcy, width, height, destx, desty,
+ type)) {
/* all done */
return;
}
projects / mesa.git / blobdiff