r300g: decouple drawing code and two-sided stencil refvalue fallback

It's now more separate from the rest of the driver and it can be disabled
by commenting out just 1 line. Well, I couldn't make the previous version
work with SW TCL reliably, that's the reason of this little rework.

1 files changed, 4 insertions, 20 deletions

diff --git a/src/gallium/drivers/r300/r300_context.h b/src/gallium/drivers/r300/r300_context.h
index 97b69e76527..e047307e10b 100644
--- a/src/gallium/drivers/r300/r300_context.h
+++ b/src/gallium/drivers/r300/r300_context.h
@@ -36,9 +36,9 @@
 
 struct u_upload_mgr;
 struct r300_context;
-
 struct r300_fragment_shader;
 struct r300_vertex_shader;
+struct r300_stencilref_context;
 
 struct r300_atom {
     /* List pointers. */
@@ -86,7 +86,7 @@ struct r300_dsa_state {
     /* Whether a two-sided stencil is enabled. */
     boolean two_sided;
     /* Whether a fallback should be used for a two-sided stencil ref value. */
-    boolean stencil_ref_bf_fallback;
+    boolean two_sided_stencil_ref;
 };
 
 struct r300_rs_state {
@@ -331,21 +331,6 @@ struct r300_context {
     /* Parent class */
     struct pipe_context context;
 
-    /* Emission of drawing packets. */
-    void (*emit_draw_arrays_immediate)(
-            struct r300_context *r300,
-            unsigned mode, unsigned start, unsigned count);
-
-    void (*emit_draw_arrays)(
-            struct r300_context *r300,
-            unsigned mode, unsigned count);
-
-    void (*emit_draw_elements)(
-            struct r300_context *r300, struct pipe_resource* indexBuffer,
-            unsigned indexSize, unsigned minIndex, unsigned maxIndex,
-            unsigned mode, unsigned start, unsigned count);
-
-
     /* The interface to the windowing system, etc. */
     struct r300_winsys_screen *rws;
     /* Screen. */
@@ -354,6 +339,8 @@ struct r300_context {
     struct draw_context* draw;
     /* Accelerated blit support. */
     struct blitter_context* blitter;
+    /* Stencil two-sided reference value fallback. */
+    struct r300_stencilref_context *stencilref_fallback;
 
     /* Vertex buffer for rendering. */
     struct pipe_resource* vbo;
@@ -441,9 +428,6 @@ struct r300_context {
     uint32_t zbuffer_bpp;
     /* Whether rendering is conditional and should be skipped. */
     boolean skip_rendering;
-    /* Whether the two-sided stencil ref value is different for front and
-     * back faces, and fallback should be used for r3xx-r4xx. */
-    boolean stencil_ref_bf_fallback;
     /* Point sprites texcoord index,  1 bit per texcoord */
     int sprite_coord_enable;
     /* Whether two-sided color selection is enabled (AKA light_twoside). */