diff options
Diffstat (limited to 'src/mesa/main/buffers.c')
| -rw-r--r-- | src/mesa/main/buffers.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/mesa/main/buffers.c b/src/mesa/main/buffers.c index a47438920b4..f6a347911c7 100644 --- a/src/mesa/main/buffers.c +++ b/src/mesa/main/buffers.c @@ -86,7 +86,8 @@ supported_buffer_bitmask(const struct gl_context *ctx, } static GLenum -back_to_front_if_single_buffered(const struct gl_context *ctx, GLenum buffer) +back_to_front_if_single_buffered(const struct gl_framebuffer *fb, + GLenum buffer) { /* If the front buffer is the only buffer, GL_BACK and all other flags * that include BACK select the front buffer for drawing. There are @@ -110,7 +111,7 @@ back_to_front_if_single_buffered(const struct gl_context *ctx, GLenum buffer) * but they are front buffers from the Mesa point of view, * because they are always single buffered. */ - if (!ctx->DrawBuffer->Visual.doubleBufferMode) { + if (!fb->Visual.doubleBufferMode) { switch (buffer) { case GL_BACK: buffer = GL_FRONT; @@ -135,7 +136,7 @@ back_to_front_if_single_buffered(const struct gl_context *ctx, GLenum buffer) static GLbitfield draw_buffer_enum_to_bitmask(const struct gl_context *ctx, GLenum buffer) { - buffer = back_to_front_if_single_buffered(ctx, buffer); + buffer = back_to_front_if_single_buffered(ctx->DrawBuffer, buffer); switch (buffer) { case GL_NONE: @@ -200,7 +201,7 @@ draw_buffer_enum_to_bitmask(const struct gl_context *ctx, GLenum buffer) static gl_buffer_index read_buffer_enum_to_index(const struct gl_context *ctx, GLenum buffer) { - buffer = back_to_front_if_single_buffered(ctx, buffer); + buffer = back_to_front_if_single_buffered(ctx->ReadBuffer, buffer); switch (buffer) { case GL_FRONT: |