diff options
Diffstat (limited to 'src/mesa/swrast/s_triangle.c')
| -rw-r--r-- | src/mesa/swrast/s_triangle.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/src/mesa/swrast/s_triangle.c b/src/mesa/swrast/s_triangle.c index 00cff6635f..f584f6e7f5 100644 --- a/src/mesa/swrast/s_triangle.c +++ b/src/mesa/swrast/s_triangle.c @@ -58,7 +58,7 @@ _swrast_culltriangle( GLcontext *ctx, GLfloat fy = v2->attrib[FRAG_ATTRIB_WPOS][1] - v0->attrib[FRAG_ATTRIB_WPOS][1]; GLfloat c = ex*fy-ey*fx; - if (c * SWRAST_CONTEXT(ctx)->_BackfaceSign > 0) + if (c * SWRAST_CONTEXT(ctx)->_BackfaceCullSign > 0) return 0; return 1; @@ -130,7 +130,7 @@ _swrast_culltriangle( GLcontext *ctx, #define T_SCALE theight #define SETUP_CODE \ - struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0][0];\ + struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0]; \ struct gl_texture_object *obj = ctx->Texture.Unit[0].Current2D; \ const GLint b = obj->BaseLevel; \ const GLfloat twidth = (GLfloat) obj->Image[0][b]->Width; \ @@ -139,8 +139,7 @@ _swrast_culltriangle( GLcontext *ctx, const GLchan *texture = (const GLchan *) obj->Image[0][b]->Data; \ const GLint smask = obj->Image[0][b]->Width - 1; \ const GLint tmask = obj->Image[0][b]->Height - 1; \ - if (!texture) { \ - /* this shouldn't happen */ \ + if (!rb || !texture) { \ return; \ } @@ -182,7 +181,7 @@ _swrast_culltriangle( GLcontext *ctx, #define T_SCALE theight #define SETUP_CODE \ - struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0][0];\ + struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0]; \ struct gl_texture_object *obj = ctx->Texture.Unit[0].Current2D; \ const GLint b = obj->BaseLevel; \ const GLfloat twidth = (GLfloat) obj->Image[0][b]->Width; \ @@ -191,8 +190,7 @@ _swrast_culltriangle( GLcontext *ctx, const GLchan *texture = (const GLchan *) obj->Image[0][b]->Data; \ const GLint smask = obj->Image[0][b]->Width - 1; \ const GLint tmask = obj->Image[0][b]->Height - 1; \ - if (!texture) { \ - /* this shouldn't happen */ \ + if (!rb || !texture) { \ return; \ } |