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path: root/src/mesa/swrast/s_copypix.c
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Diffstat (limited to 'src/mesa/swrast/s_copypix.c')
-rw-r--r--src/mesa/swrast/s_copypix.c25
1 files changed, 20 insertions, 5 deletions
diff --git a/src/mesa/swrast/s_copypix.c b/src/mesa/swrast/s_copypix.c
index 592d35a9898..780f5fae0a7 100644
--- a/src/mesa/swrast/s_copypix.c
+++ b/src/mesa/swrast/s_copypix.c
@@ -246,7 +246,7 @@ copy_depth_pixels( struct gl_context *ctx, GLint srcx, GLint srcy,
{
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;
@@ -303,8 +303,13 @@ copy_depth_pixels( struct gl_context *ctx, GLint srcx, GLint srcy,
p = NULL;
}
+ depth = (GLfloat *) 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));
@@ -327,6 +332,9 @@ copy_depth_pixels( struct gl_context *ctx, GLint srcx, GLint srcy,
_swrast_write_rgba_span(ctx, &span);
}
+ free(depth);
+
+end:
if (overlapping)
free(tmpImage);
}
@@ -342,7 +350,7 @@ copy_stencil_pixels( struct gl_context *ctx, GLint srcx, GLint srcy,
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;
@@ -392,9 +400,13 @@ copy_stencil_pixels( struct gl_context *ctx, GLint srcx, GLint srcy,
p = NULL;
}
- for (j = 0; j < height; j++, sy += stepy, dy += stepy) {
- GLubyte stencil[MAX_WIDTH];
+ stencil = (GLubyte *) 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));
@@ -416,6 +428,9 @@ copy_stencil_pixels( struct gl_context *ctx, GLint srcx, GLint srcy,
}
}
+ free(stencil);
+
+end:
if (overlapping)
free(tmpImage);
}