r300: Add DSA state.

That's it for now. Just the "easy" stuff.

Todo:
- Rasterizer state, which is a lot more than just the RS.
- Miscellaneous state which doesn't currently belong to any state object.
- Shader assemblers?
- Fix dynamic loading bugs.

1 files changed, 14 insertions, 1 deletions

diff --git a/src/gallium/drivers/r300/r300_context.h b/src/gallium/drivers/r300/r300_context.h
index 6c64c9fa83..81c559cedf 100644
--- a/src/gallium/drivers/r300/r300_context.h
+++ b/src/gallium/drivers/r300/r300_context.h
@@ -34,13 +34,24 @@ struct r300_blend_state {
     uint32_t dither;              /* R300_RB3D_DITHER_CTL: 0x4e50 */
 };
 
+struct r300_dsa_state {
+    uint32_t alpha_function;    /* R300_FG_ALPHA_FUNC: 0x4bd4 */
+    uint32_t alpha_reference;   /* R500_FG_ALPHA_VALUE: 0x4be0 */
+    uint32_t z_buffer_control;  /* R300_ZB_CNTL: 0x4f00 */
+    uint32_t z_stencil_control; /* R300_ZB_ZSTENCILCNTL: 0x4f04 */
+    uint32_t stencil_ref_mask;  /* R300_ZB_STENCILREFMASK: 0x4f08 */
+    uint32_t z_buffer_top;      /* R300_ZB_ZTOP: 0x4f14 */
+    uint32_t stencil_ref_bf;    /* R300_ZB_STENCILREFMASK_BF: 0x4fd4 */
+};
+
 struct r300_scissor_state {
     uint32_t scissor_top_left;     /* R300_SC_SCISSORS_TL: 0x43e0 */
     uint32_t scissor_bottom_right; /* R300_SC_SCISSORS_BR: 0x43e4 */
 };
 
 #define R300_NEW_BLEND    0x1
-#define R300_NEW_SCISSOR  0x2
+#define R300_NEW_DSA      0x2
+#define R300_NEW_SCISSOR  0x4
 
 struct r300_context {
     /* Parent class */
@@ -54,6 +65,8 @@ struct r300_context {
     /* Various CSO state objects. */
     /* Blend state. */
     struct r300_blend_state* blend_state;
+    /* Depth, stencil, and alpha state. */
+    struct r300_dsa_state* dsa_state;
     /* Scissor state. */
     struct r300_scissor_state* scissor_state;