GLboolean
_swrast_stencil_and_ztest_span(GLcontext *ctx, SWspan *span)
{
- /* span->facing can only be non-zero if using two-sided stencil */
- ASSERT(ctx->Stencil._TestTwoSide || span->facing == 0);
if (span->arrayMask & SPAN_XY)
return stencil_and_ztest_pixels(ctx, span, span->facing);
else
_swrast_read_stencil_span(GLcontext *ctx, struct gl_renderbuffer *rb,
GLint n, GLint x, GLint y, GLstencil stencil[])
{
- if (y < 0 || y >= rb->Height || x + n <= 0 || x >= rb->Width) {
+ if (y < 0 || y >= (GLint) rb->Height ||
+ x + n <= 0 || x >= (GLint) rb->Width) {
/* span is completely outside framebuffer */
return; /* undefined values OK */
}
n -= dx;
stencil += dx;
}
- if (x + n > rb->Width) {
+ if (x + n > (GLint) rb->Width) {
GLint dx = x + n - rb->Width;
n -= dx;
}
const GLuint stencilMax = (1 << fb->Visual.stencilBits) - 1;
const GLuint stencilMask = ctx->Stencil.WriteMask[0];
- if (y < 0 || y >= rb->Height || x + n <= 0 || x >= rb->Width) {
+ if (y < 0 || y >= (GLint) rb->Height ||
+ x + n <= 0 || x >= (GLint) rb->Width) {
/* span is completely outside framebuffer */
return; /* undefined values OK */
}
n -= dx;
stencil += dx;
}
- if (x + n > rb->Width) {
+ if (x + n > (GLint) rb->Width) {
GLint dx = x + n - rb->Width;
n -= dx;
}
}
else {
/* no bit masking */
- if (width == rb->Width && rb->DataType == GL_UNSIGNED_BYTE) {
+ if (width == (GLint) rb->Width && rb->DataType == GL_UNSIGNED_BYTE) {
/* optimized case */
/* Note: bottom-to-top raster assumed! */
GLubyte *stencil = (GLubyte *) rb->GetPointer(ctx, rb, x, y);