swrast: remove MAX_WIDTH arrays in s_copypix.c

This commit is contained in:
Brian Paul
2012-02-19 20:08:52 -07:00
parent 08687c7912
commit 837b55517e
+20 -5
View File
@@ -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);
}