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authorBrian <brian@nostromo.localnet.net>2007-04-01 18:28:28 -0600
committerBrian <brian@nostromo.localnet.net>2007-04-01 18:28:28 -0600
commit0683e4ce4bbbe381cbf59122aaef4ae3671d45e9 (patch)
treeb67764fc5d1b3376d1099efe530f6ac65a71fd01 /src/mesa/drivers/x11/xm_line.c
parentec42af9263bfba71074396f3850d5264083a5632 (diff)
If using PF_8A8B8G8R, be sure alpha is correctly handled.
Diffstat (limited to 'src/mesa/drivers/x11/xm_line.c')
-rw-r--r--src/mesa/drivers/x11/xm_line.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/src/mesa/drivers/x11/xm_line.c b/src/mesa/drivers/x11/xm_line.c
index c310542515..8537256d2e 100644
--- a/src/mesa/drivers/x11/xm_line.c
+++ b/src/mesa/drivers/x11/xm_line.c
@@ -147,7 +147,7 @@ void xmesa_choose_point( GLcontext *ctx )
#define SETUP_CODE \
GET_XRB(xrb); \
const GLubyte *color = vert1->color; \
- GLuint pixel = PACK_8B8G8R( color[0], color[1], color[2] );
+ GLuint pixel = PACK_8A8B8G8R(color[0], color[1], color[2], color[3]);
#define PIXEL_TYPE GLuint
#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
@@ -164,7 +164,7 @@ void xmesa_choose_point( GLcontext *ctx )
#define SETUP_CODE \
GET_XRB(xrb); \
const GLubyte *color = vert1->color; \
- GLuint pixel = PACK_8R8G8B( color[0], color[1], color[2] );
+ GLuint pixel = PACK_8A8R8G8B(color[0], color[1], color[2], color[3]);
#define PIXEL_TYPE GLuint
#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
@@ -331,7 +331,7 @@ void xmesa_choose_point( GLcontext *ctx )
#define SETUP_CODE \
GET_XRB(xrb); \
const GLubyte *color = vert1->color; \
- GLuint pixel = PACK_8B8G8R( color[0], color[1], color[2] );
+ GLuint pixel = PACK_8A8B8G8R(color[0], color[1], color[2], color[3]);
#define INTERP_Z 1
#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
#define PIXEL_TYPE GLuint
@@ -354,7 +354,7 @@ void xmesa_choose_point( GLcontext *ctx )
#define SETUP_CODE \
GET_XRB(xrb); \
const GLubyte *color = vert1->color; \
- GLuint pixel = PACK_8R8G8B( color[0], color[1], color[2] );
+ GLuint pixel = PACK_8A8R8G8B(color[0], color[1], color[2], color[3]);
#define INTERP_Z 1
#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
#define PIXEL_TYPE GLuint
@@ -581,13 +581,11 @@ static swrast_line_func
get_line_func(GLcontext *ctx)
{
#if CHAN_BITS == 8
- XMesaContext xmesa = XMESA_CONTEXT(ctx);
SWcontext *swrast = SWRAST_CONTEXT(ctx);
- int depth = GET_VISUAL_DEPTH(xmesa->xm_visual);
- struct xmesa_renderbuffer *xrb;
-
- if (CHAN_BITS != 8)
- return NULL;
+ XMesaContext xmesa = XMESA_CONTEXT(ctx);
+ XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer);
+ const int depth = GET_VISUAL_DEPTH(xmesa->xm_visual);
+ const struct xmesa_renderbuffer *xrb;
if ((ctx->DrawBuffer->_ColorDrawBufferMask[0]
& (BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT)) == 0)
@@ -598,6 +596,7 @@ get_line_func(GLcontext *ctx)
if (ctx->Light.ShadeModel != GL_FLAT) return (swrast_line_func) NULL;
if (ctx->Line.StippleFlag) return (swrast_line_func) NULL;
if (swrast->_RasterMask & MULTI_DRAW_BIT) return (swrast_line_func) NULL;
+ if (xmbuf->swAlpha) return (swrast_line_func) NULL;
xrb = xmesa_renderbuffer(ctx->DrawBuffer->_ColorDrawBuffers[0][0]->Wrapped);