116    struct gl_renderbuffer *readRb, *drawRb = NULL;  in blit_nearest()  local
156       readRb = readFb->_ColorReadBuffer;  in blit_nearest()
162       readRb = readAtt->Renderbuffer;  in blit_nearest()
170       if (readRb->Format == MESA_FORMAT_Z_FLOAT32 ||  in blit_nearest()
171 	  readRb->Format == MESA_FORMAT_Z32_FLOAT_S8X24_UINT) {  in blit_nearest()
181       readRb = readAtt->Renderbuffer;  in blit_nearest()
210          if (readRb->Format == drawRb->Format) {  in blit_nearest()
212             pixelSize = _mesa_get_format_bytes(readRb->Format);  in blit_nearest()
242       if ((readRb == drawRb) ||  in blit_nearest()
251          GLint formatSize = _mesa_get_format_bytes(readRb->Format);  in blit_nearest()
253          ctx->Driver.MapRenderbuffer(ctx, readRb, 0, 0,  in blit_nearest()
254                                      readRb->Width, readRb->Height,  in blit_nearest()
267             srcMap += rowStride * (readRb->Height - 1);  in blit_nearest()
268             dstMap += rowStride * (readRb->Height - 1);  in blit_nearest()
280          ctx->Driver.MapRenderbuffer(ctx, readRb,  in blit_nearest()
292             ctx->Driver.UnmapRenderbuffer(ctx, readRb);  in blit_nearest()
318                _mesa_unpack_rgba_row(readRb->Format, srcWidth, srcRowStart,  in blit_nearest()
322                _mesa_unpack_float_z_row(readRb->Format, srcWidth, srcRowStart,  in blit_nearest()
326                _mesa_unpack_uint_z_row(readRb->Format, srcWidth, srcRowStart,  in blit_nearest()
330                _mesa_unpack_ubyte_stencil_row(readRb->Format, srcWidth,  in blit_nearest()
363       ctx->Driver.UnmapRenderbuffer(ctx, readRb);  in blit_nearest()
364       if (drawRb != readRb) {  in blit_nearest()
516    struct gl_renderbuffer *readRb = readFb->_ColorReadBuffer;  in blit_linear()  local
540    mesa_format readFormat = _mesa_get_srgb_format_linear(readRb->Format);  in blit_linear()
590       if ((readRb == drawRb) ||  in blit_linear()
594          ctx->Driver.MapRenderbuffer(ctx, readRb,  in blit_linear()
595                                      0, 0, readRb->Width, readRb->Height,  in blit_linear()
610          ctx->Driver.MapRenderbuffer(ctx, readRb,  in blit_linear()
611                                      0, 0, readRb->Width, readRb->Height,  in blit_linear()
620             ctx->Driver.UnmapRenderbuffer(ctx, readRb);  in blit_linear()
711       ctx->Driver.UnmapRenderbuffer(ctx, readRb);  in blit_linear()
712       if (drawRb != readRb) {  in blit_linear()