With this change, i965 passes
GL_EXT_texture_integer/fbo_integer_precision_clear
---
src/mesa/swrast/s_readpix.c | 19 +++++++++++++------
1 files changed, 13 insertions(+), 6 deletions(-)
diff --git a/src/mesa/swrast/s_readpix.c b/src/mesa/swrast/s_readpix.c
index 50422db..54f42db 100644
--- a/src/mesa/swrast/s_readpix.c
+++ b/src/mesa/swrast/s_readpix.c
@@ -236,7 +236,10 @@ slow_read_rgba_pixels( struct gl_context *ctx,
GLbitfield transferOps )
{
struct gl_renderbuffer *rb = ctx->ReadBuffer->_ColorReadBuffer;
- GLfloat rgba[MAX_WIDTH][4];
+ union {
+ float f[MAX_WIDTH][4];
+ unsigned int i[MAX_WIDTH][4];
+ } rgba;
GLubyte *dst, *map;
int dstStride, stride, j;
@@ -248,11 +251,15 @@ slow_read_rgba_pixels( struct gl_context *ctx,
&map, &stride);
for (j = 0; j < height; j++) {
- _mesa_unpack_rgba_row(_mesa_get_srgb_format_linear(rb->Format),
- width, map, rgba);
- _mesa_pack_rgba_span_float(ctx, width, rgba, format, type, dst,
- packing, transferOps);
-
+ if (_mesa_is_integer_format(format)) {
+ _mesa_unpack_int_rgba_row(rb->Format, width, map, rgba.i);
+ _mesa_pack_rgba_span_int(ctx, width, rgba.i, format, type, dst);
+ } else {
+ _mesa_unpack_rgba_row(_mesa_get_srgb_format_linear(rb->Format),
+ width, map, rgba.f);
+ _mesa_pack_rgba_span_float(ctx, width, rgba.f, format, type, dst,
+ packing, transferOps);
+ }
dst += dstStride;
map += stride;
}
--
1.7.7
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