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more image type error checking in draw_stencil_pixels()

This commit is contained in:
Brian Paul 1999-10-19 20:33:57 +00:00
parent f3f9b77324
commit bc41b08073
1 changed files with 13 additions and 1 deletions
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14
src/mesa/main/drawpix.c
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@ -1,4 +1,4 @@
/* $Id: drawpix.c,v 1.3 1999/10/08 09:27:10 keithw Exp $ */
/* $Id: drawpix.c,v 1.4 1999/10/19 20:33:57 brianp Exp $ */
/*
* Mesa 3-D graphics library
@ -487,6 +487,18 @@ static void draw_stencil_pixels( GLcontext *ctx, GLint x, GLint y,
GLint i;
const GLboolean zoom = ctx->Pixel.ZoomX!=1.0 || ctx->Pixel.ZoomY!=1.0;
if (image->Type != GL_BYTE &&
image->Type != GL_UNSIGNED_BYTE &&
image->Type != GL_SHORT &&
image->Type != GL_UNSIGNED_SHORT &&
image->Type != GL_INT &&
image->Type != GL_UNSIGNED_INT &&
image->Type != GL_FLOAT &&
image->Type != GL_BITMAP) {
gl_error( ctx, GL_INVALID_OPERATION, "glDrawPixels(stencil type)");
return;
}
assert(image);
assert(image->Format == GL_STENCIL_INDEX);
assert(image->Type == GL_UNSIGNED_BYTE || image->Type == GL_BITMAP);