diff options
Diffstat (limited to 'src/mesa/main/buffers.c')
-rw-r--r-- | src/mesa/main/buffers.c | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/src/mesa/main/buffers.c b/src/mesa/main/buffers.c index 94b4be54d50..cbbe3e8698b 100644 --- a/src/mesa/main/buffers.c +++ b/src/mesa/main/buffers.c @@ -548,53 +548,6 @@ _mesa_drawbuffers(GLcontext *ctx, GLuint n, const GLenum *buffers, } -#if 0 -GLboolean -_mesa_readbuffer_update_fields(GLcontext *ctx, GLenum buffer) -{ - struct gl_framebuffer *fb; - GLbitfield supportedMask; - GLint srcBuffer; - - fb = ctx->ReadBuffer; - - if (MESA_VERBOSE & VERBOSE_API) - _mesa_debug(ctx, "glReadBuffer %s\n", _mesa_lookup_enum_by_nr(buffer)); - - if (fb->Name > 0 && buffer == GL_NONE) { - /* This is legal for user-created framebuffer objects */ - srcBuffer = -1; - } - else { - /* general case / window-system framebuffer */ - srcBuffer = read_buffer_enum_to_index(buffer); - if (srcBuffer == -1) { - _mesa_error(ctx, GL_INVALID_ENUM, "glReadBuffer(buffer=0x%x)", buffer); - return GL_FALSE; - } - supportedMask = supported_buffer_bitmask(ctx, fb); - if (((1 << srcBuffer) & supportedMask) == 0) { - _mesa_error(ctx, GL_INVALID_OPERATION, "glReadBuffer(buffer=0x%x)", buffer); - return GL_FALSE; - } - } - - if (fb->Name == 0) { - /* Only update the per-context GL_READ_BUFFER state if we're bound to - * a window-system framebuffer. - */ - ctx->Pixel.ReadBuffer = buffer; - } - - /* Set the FBO's GL_READ_BUFFER state */ - fb->ColorReadBuffer = buffer; - fb->_ColorReadBufferIndex = srcBuffer; - - return GL_TRUE; -} -#endif - - /** * Like \sa _mesa_drawbuffers(), this is a helper function for setting * GL_READ_BUFFER state in the context and current FBO. |