static void qxl_blit(PCIQXLDevice *qxl, QXLRect *rect) { DisplaySurface *surface = qemu_console_surface(qxl->vga.con); uint8_t *dst = surface_data(surface); uint8_t *src; int len, i; if (is_buffer_shared(surface)) { return; } if (!qxl->guest_primary.data) { trace_qxl_render_blit_guest_primary_initialized(); qxl->guest_primary.data = memory_region_get_ram_ptr(&qxl->vga.vram); } trace_qxl_render_blit(qxl->guest_primary.qxl_stride, rect->left, rect->right, rect->top, rect->bottom); src = qxl->guest_primary.data; if (qxl->guest_primary.qxl_stride < 0) { /* qxl surface is upside down, walk src scanlines * in reverse order to flip it */ src += (qxl->guest_primary.surface.height - rect->top - 1) * qxl->guest_primary.abs_stride; } else { src += rect->top * qxl->guest_primary.abs_stride; } dst += rect->top * qxl->guest_primary.abs_stride; src += rect->left * qxl->guest_primary.bytes_pp; dst += rect->left * qxl->guest_primary.bytes_pp; len = (rect->right - rect->left) * qxl->guest_primary.bytes_pp; for (i = rect->top; i < rect->bottom; i++) { memcpy(dst, src, len); dst += qxl->guest_primary.abs_stride; src += qxl->guest_primary.qxl_stride; } }
static void qxl_blit(PCIQXLDevice *qxl, QXLRect *rect) { DisplaySurface *surface = qemu_console_surface(qxl->vga.con); uint8_t *dst = surface_data(surface); uint8_t *src; int len, i; if (is_buffer_shared(surface)) { return; } if (!qxl->guest_primary.data) { trace_qxl_render_blit_guest_primary_initialized(); qxl->guest_primary.data = memory_region_get_ram_ptr(&qxl->vga.vram); } trace_qxl_render_blit(qxl->guest_primary.qxl_stride, rect->left, rect->right, rect->top, rect->bottom); src = qxl->guest_primary.data; if (qxl->guest_primary.qxl_stride < 0) {   src += (qxl->guest_primary.surface.height - rect->top - 1) * qxl->guest_primary.abs_stride; } else { src += rect->top * qxl->guest_primary.abs_stride; } dst += rect->top * qxl->guest_primary.abs_stride; src += rect->left * qxl->guest_primary.bytes_pp; dst += rect->left * qxl->guest_primary.bytes_pp; len = (rect->right - rect->left) * qxl->guest_primary.bytes_pp; for (i = rect->top; i < rect->bottom; i++) { memcpy(dst, src, len); dst += qxl->guest_primary.abs_stride; src += qxl->guest_primary.qxl_stride; } }