diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2005-09-29 03:20:15 +0000 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2005-09-29 03:20:15 +0000 |
| commit | 8d0edf015d82a705796389890f6fe9b32e19414c (patch) | |
| tree | f62127d12108175d8b1fa85bd3f797e1e49de70e /src/mesa/swrast/s_readpix.c | |
| parent | 5208867f12abd4b13c517e8cd006afde6fadbed8 (diff) | |
Rewrite much of the pixel zoom code.
Zoomed DrawPixels of packed depth/stencil works now.
Diffstat (limited to 'src/mesa/swrast/s_readpix.c')
| -rw-r--r-- | src/mesa/swrast/s_readpix.c | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/src/mesa/swrast/s_readpix.c b/src/mesa/swrast/s_readpix.c index 984205d44d..cae89724c0 100644 --- a/src/mesa/swrast/s_readpix.c +++ b/src/mesa/swrast/s_readpix.c @@ -53,9 +53,7 @@ read_index_pixels( GLcontext *ctx, struct gl_renderbuffer *rb = ctx->ReadBuffer->_ColorReadBuffer; GLint i; - if (!rb) { - return; /* no readbuffer OK */ - } + ASSERT(rb); /* width should never be > MAX_WIDTH since we did clipping earlier */ ASSERT(width <= MAX_WIDTH); @@ -99,9 +97,7 @@ read_depth_pixels( GLcontext *ctx, /* width should never be > MAX_WIDTH since we did clipping earlier */ ASSERT(width <= MAX_WIDTH); - if (!rb) { - return; /* no readbuffer OK */ - } + ASSERT(rb); bias_or_scale = ctx->Pixel.DepthBias != 0.0 || ctx->Pixel.DepthScale != 1.0; @@ -175,10 +171,7 @@ read_stencil_pixels( GLcontext *ctx, struct gl_renderbuffer *rb = fb->Attachment[BUFFER_STENCIL].Renderbuffer; GLint j; - if (!rb) { - /* no readbuffer - OK */ - return; - } + ASSERT(rb); /* width should never be > MAX_WIDTH since we did clipping earlier */ ASSERT(width <= MAX_WIDTH); @@ -291,10 +284,7 @@ read_rgba_pixels( GLcontext *ctx, struct gl_framebuffer *fb = ctx->ReadBuffer; struct gl_renderbuffer *rb = fb->_ColorReadBuffer; - if (!rb) { - /* No readbuffer is OK with GL_EXT_framebuffer_object */ - return; - } + ASSERT(rb); /* Try optimized path first */ if (read_fast_rgba_pixels( ctx, x, y, width, height, |