-GLboolean r300_blit(struct r300_context *r300,
- struct radeon_bo *src_bo,
- intptr_t src_offset,
- gl_format src_mesaformat,
- unsigned src_pitch,
- unsigned src_width,
- unsigned src_height,
- struct radeon_bo *dst_bo,
- intptr_t dst_offset,
- gl_format dst_mesaformat,
- unsigned dst_width,
- unsigned dst_height)
+unsigned r300_check_blit(gl_format dst_format)
+{
+ switch (dst_format) {
+ case MESA_FORMAT_RGB565:
+ case MESA_FORMAT_ARGB1555:
+ case MESA_FORMAT_RGBA8888:
+ case MESA_FORMAT_RGBA8888_REV:
+ case MESA_FORMAT_ARGB8888:
+ case MESA_FORMAT_ARGB8888_REV:
+ case MESA_FORMAT_XRGB8888:
+ break;
+ default:
+ return 0;
+ }
+
+ if (_mesa_get_format_bits(dst_format, GL_DEPTH_BITS) > 0)
+ return 0;
+
+ return 1;
+}
+
+/**
+ * Copy a region of [@a width x @a height] pixels from source buffer
+ * to destination buffer.
+ * @param[in] r300 r300 context
+ * @param[in] src_bo source radeon buffer object
+ * @param[in] src_offset offset of the source image in the @a src_bo
+ * @param[in] src_mesaformat source image format
+ * @param[in] src_pitch aligned source image width
+ * @param[in] src_width source image width
+ * @param[in] src_height source image height
+ * @param[in] src_x_offset x offset in the source image
+ * @param[in] src_y_offset y offset in the source image
+ * @param[in] dst_bo destination radeon buffer object
+ * @param[in] dst_offset offset of the destination image in the @a dst_bo
+ * @param[in] dst_mesaformat destination image format
+ * @param[in] dst_pitch aligned destination image width
+ * @param[in] dst_width destination image width
+ * @param[in] dst_height destination image height
+ * @param[in] dst_x_offset x offset in the destination image
+ * @param[in] dst_y_offset y offset in the destination image
+ * @param[in] width region width
+ * @param[in] height region height
+ * @param[in] flip_y set if y coords of the source image need to be flipped
+ */
+unsigned r300_blit(struct gl_context *ctx,
+ struct radeon_bo *src_bo,
+ intptr_t src_offset,
+ gl_format src_mesaformat,
+ unsigned src_pitch,
+ unsigned src_width,
+ unsigned src_height,
+ unsigned src_x_offset,
+ unsigned src_y_offset,
+ struct radeon_bo *dst_bo,
+ intptr_t dst_offset,
+ gl_format dst_mesaformat,
+ unsigned dst_pitch,
+ unsigned dst_width,
+ unsigned dst_height,
+ unsigned dst_x_offset,
+ unsigned dst_y_offset,
+ unsigned reg_width,
+ unsigned reg_height,
+ unsigned flip_y)