r300/compiler: use perspective division only for TXP in shadow samplers

[mesa.git] / src / mesa / drivers / dri / r300 / compiler / radeon_code.h

diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_code.h b/src/mesa/drivers/dri/r300/compiler/radeon_code.h
index 902b7cfa53b791e46e9bdcd84812fe477af09ffd..17703a9ad3826f07fd5767c4d33837a863d69fd7 100644 (file)
--- a/src/mesa/drivers/dri/r300/compiler/radeon_code.h
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_code.h
@@ -59,7 +59,9 @@ enum {
        RC_STATE_SHADOW_AMBIENT = 0,
 
        RC_STATE_R300_WINDOW_DIMENSION,
-       RC_STATE_R300_TEXRECT_FACTOR
+       RC_STATE_R300_TEXRECT_FACTOR,
+       RC_STATE_R300_VIEWPORT_SCALE,
+       RC_STATE_R300_VIEWPORT_OFFSET
 };
 
 struct rc_constant {
@@ -105,6 +107,18 @@ typedef enum {
        RC_COMPARE_FUNC_ALWAYS
 } rc_compare_func;
 
+/**
+ * Coordinate wrapping modes.
+ *
+ * These are not quite the same as their GL counterparts yet.
+ */
+typedef enum {
+       RC_WRAP_NONE = 0,
+       RC_WRAP_REPEAT,
+       RC_WRAP_MIRRORED_REPEAT,
+       RC_WRAP_MIRRORED_CLAMP
+} rc_wrap_mode;
+
 /**
  * Stores state that influences the compilation of a fragment program.
  */
@@ -118,18 +132,35 @@ struct r300_fragment_program_external_state {
                 *  2 - GL_ALPHA
                 * depending on the depth texture mode.
                 */
-               unsigned depth_texture_mode : 2;
+               unsigned depth_texture_swizzle:12;
 
                /**
                 * If the sampler is used as a shadow sampler,
                 * this field specifies the compare function.
                 *
                 * Otherwise, this field is \ref RC_COMPARE_FUNC_NEVER (aka 0).
-                *
-                * Otherwise, this field is 0.
                 * \sa rc_compare_func
                 */
                unsigned texture_compare_func : 3;
+
+               /**
+                * If the sampler needs to fake NPOT, this field is set.
+                */
+               unsigned fake_npot : 1;
+
+               /**
+                * If the sampler will recieve non-normalized coords,
+                * this field is set.
+                */
+               unsigned non_normalized_coords : 1;
+
+               /**
+                * This field specifies wrapping modes for the sampler.
+                *
+                * If this field is \ref RC_WRAP_NONE (aka 0), no wrapping maths
+                * will be performed on the coordinates.
+                */
+               unsigned wrap_mode : 2;
        } unit[16];
 };