--- /dev/null
+#ifndef INTEL_STRUCTS_H
+#define INTEL_STRUCTS_H
+
+struct br0 {
+ GLuint length:8;
+ GLuint pad0:3;
+ GLuint dst_tiled:1;
+ GLuint pad1:8;
+ GLuint write_rgb:1;
+ GLuint write_alpha:1;
+ GLuint opcode:7;
+ GLuint client:3;
+};
+
+
+struct br13 {
+ GLint dest_pitch:16;
+ GLuint rop:8;
+ GLuint color_depth:2;
+ GLuint pad1:3;
+ GLuint mono_source_transparency:1;
+ GLuint clipping_enable:1;
+ GLuint pad0:1;
+};
+
+
+
+/* This is an attempt to move some of the 2D interaction in this
+ * driver to using structs for packets rather than a bunch of #defines
+ * and dwords.
+ */
+struct xy_color_blit {
+ struct br0 br0;
+ struct br13 br13;
+
+ struct {
+ GLuint dest_x1:16;
+ GLuint dest_y1:16;
+ } dw2;
+
+ struct {
+ GLuint dest_x2:16;
+ GLuint dest_y2:16;
+ } dw3;
+
+ GLuint dest_base_addr;
+ GLuint color;
+};
+
+struct xy_src_copy_blit {
+ struct br0 br0;
+ struct br13 br13;
+
+ struct {
+ GLuint dest_x1:16;
+ GLuint dest_y1:16;
+ } dw2;
+
+ struct {
+ GLuint dest_x2:16;
+ GLuint dest_y2:16;
+ } dw3;
+
+ GLuint dest_base_addr;
+
+ struct {
+ GLuint src_x1:16;
+ GLuint src_y1:16;
+ } dw5;
+
+ struct {
+ GLint src_pitch:16;
+ GLuint pad:16;
+ } dw6;
+
+ GLuint src_base_addr;
+};
+
+struct xy_setup_blit {
+ struct br0 br0;
+ struct br13 br13;
+
+ struct {
+ GLuint clip_x1:16;
+ GLuint clip_y1:16;
+ } dw2;
+
+ struct {
+ GLuint clip_x2:16;
+ GLuint clip_y2:16;
+ } dw3;
+
+ GLuint dest_base_addr;
+ GLuint background_color;
+ GLuint foreground_color;
+ GLuint pattern_base_addr;
+};
+
+
+struct xy_text_immediate_blit {
+ struct {
+ GLuint length:8;
+ GLuint pad2:3;
+ GLuint dst_tiled:1;
+ GLuint pad1:4;
+ GLuint byte_packed:1;
+ GLuint pad0:5;
+ GLuint opcode:7;
+ GLuint client:3;
+ } dw0;
+
+ struct {
+ GLuint dest_x1:16;
+ GLuint dest_y1:16;
+ } dw1;
+
+ struct {
+ GLuint dest_x2:16;
+ GLuint dest_y2:16;
+ } dw2;
+
+ /* Src bitmap data follows as inline dwords.
+ */
+};
+
+
+#define CLIENT_2D 0x2
+#define OPCODE_XY_SETUP_BLT 0x1
+#define OPCODE_XY_COLOR_BLT 0x50
+#define OPCODE_XY_TEXT_IMMEDIATE_BLT 0x31
+
+#endif