r300g: add generating texture coordinates for point sprites (WIP)

1 files changed, 13 insertions, 0 deletions

diff --git a/src/gallium/drivers/r300/r300_context.h b/src/gallium/drivers/r300/r300_context.h
index 0c8fb6860eb..edebeab86fd 100644
--- a/src/gallium/drivers/r300/r300_context.h
+++ b/src/gallium/drivers/r300/r300_context.h
@@ -98,6 +98,16 @@ struct r300_rs_state {
     uint32_t line_stipple_value;    /* R300_GA_LINE_STIPPLE_VALUE: 0x4260 */
     uint32_t color_control;         /* R300_GA_COLOR_CONTROL: 0x4278 */
     uint32_t polygon_mode;          /* R300_GA_POLY_MODE: 0x4288 */
+
+    /* Specifies top of Raster pipe specific enable controls,
+     * i.e. texture coordinates stuffing for points, lines, triangles */
+    uint32_t stuffing_enable;       /* R300_GB_ENABLE: 0x4008 */
+
+    /* Point sprites texture coordinates, 0: lower left, 1: upper right */
+    float point_texcoord_left;      /* R300_GA_POINT_S0: 0x4200 */
+    float point_texcoord_bottom;    /* R300_GA_POINT_T0: 0x4204 */
+    float point_texcoord_right;     /* R300_GA_POINT_S1: 0x4208 */
+    float point_texcoord_top;       /* R300_GA_POINT_T1: 0x420c */
 };
 
 struct r300_rs_block {
@@ -390,6 +400,9 @@ struct r300_context {
     uint32_t zbuffer_bpp;
     /* Whether scissor is enabled. */
     boolean scissor_enabled;
+    /* Point sprites texcoord index, -1 = unused. */
+    int sprite_coord_index;
+
     /* upload managers */
     struct u_upload_mgr *upload_vb;
     struct u_upload_mgr *upload_ib;