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-rw-r--r--src/mesa/drivers/dri/i915/i915_context.c2
-rw-r--r--src/mesa/drivers/dri/i915/i915_context.h2
-rw-r--r--src/mesa/drivers/dri/i915/i915_state.c55
-rw-r--r--src/mesa/drivers/dri/i915/intel_tris.c1
4 files changed, 48 insertions, 12 deletions
diff --git a/src/mesa/drivers/dri/i915/i915_context.c b/src/mesa/drivers/dri/i915/i915_context.c
index 36563ef..dc32292 100644
--- a/src/mesa/drivers/dri/i915/i915_context.c
+++ b/src/mesa/drivers/dri/i915/i915_context.c
@@ -76,6 +76,8 @@ i915InvalidateState(struct gl_context * ctx, GLuint new_state)
i915_update_provoking_vertex(ctx);
if (new_state & (_NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS))
i915_update_program(ctx);
+ if (new_state & (_NEW_PROGRAM | _NEW_POINT))
+ i915_update_sprite_point_enable(ctx);
}
diff --git a/src/mesa/drivers/dri/i915/i915_context.h b/src/mesa/drivers/dri/i915/i915_context.h
index 8167137..7037465 100644
--- a/src/mesa/drivers/dri/i915/i915_context.h
+++ b/src/mesa/drivers/dri/i915/i915_context.h
@@ -40,6 +40,7 @@
#define I915_FALLBACK_POINT_SMOOTH 0x80000
#define I915_FALLBACK_POINT_SPRITE_COORD_ORIGIN 0x100000
#define I915_FALLBACK_DRAW_OFFSET 0x200000
+#define I915_FALLBACK_COORD_REPLACE 0x400000
#define I915_UPLOAD_CTX 0x1
#define I915_UPLOAD_BUFFERS 0x2
@@ -338,6 +339,7 @@ extern void i915InitStateFunctions(struct dd_function_table *functions);
extern void i915InitState(struct i915_context *i915);
extern void i915_update_stencil(struct gl_context * ctx);
extern void i915_update_provoking_vertex(struct gl_context *ctx);
+extern void i915_update_sprite_point_enable(struct gl_context *ctx);
/*======================================================================
diff --git a/src/mesa/drivers/dri/i915/i915_state.c b/src/mesa/drivers/dri/i915/i915_state.c
index 756001f..94c7327 100644
--- a/src/mesa/drivers/dri/i915/i915_state.c
+++ b/src/mesa/drivers/dri/i915/i915_state.c
@@ -652,6 +652,48 @@ i915PointParameterfv(struct gl_context * ctx, GLenum pname, const GLfloat *param
}
}
+void
+i915_update_sprite_point_enable(struct gl_context *ctx)
+{
+ struct intel_context *intel = intel_context(ctx);
+ /* _NEW_PROGRAM */
+ struct i915_fragment_program *p =
+ (struct i915_fragment_program *) ctx->FragmentProgram._Current;
+ const GLbitfield64 inputsRead = p->FragProg.Base.InputsRead;
+ struct i915_context *i915 = i915_context(ctx);
+ GLuint s4 = i915->state.Ctx[I915_CTXREG_LIS4] & ~S4_VFMT_MASK;
+ int i;
+ GLuint coord_replace_bits = 0x0;
+ GLuint tex_coord_unit_bits = 0x0;
+
+ for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) {
+ /* _NEW_POINT */
+ if (ctx->Point.CoordReplace[i] && ctx->Point.PointSprite)
+ coord_replace_bits |= (1 << i);
+ if (inputsRead & FRAG_BIT_TEX(i))
+ tex_coord_unit_bits |= (1 << i);
+ }
+
+ /*
+ * Here we can't enable the SPRITE_POINT_ENABLE bit when the mis-match
+ * of tex_coord_unit_bits and coord_replace_bits, or this will make all
+ * the other non-point-sprite coords(like varying inputs, as we now use
+ * tex coord to implement varying inputs) be replaced to value (0, 0)-(1, 1).
+ *
+ * Thus, do fallback when needed.
+ */
+ FALLBACK(intel, I915_FALLBACK_COORD_REPLACE,
+ coord_replace_bits && coord_replace_bits != tex_coord_unit_bits);
+
+ s4 &= ~S4_SPRITE_POINT_ENABLE;
+ s4 |= (coord_replace_bits && coord_replace_bits == tex_coord_unit_bits) ?
+ S4_SPRITE_POINT_ENABLE : 0;
+ if (s4 != i915->state.Ctx[I915_CTXREG_LIS4]) {
+ i915->state.Ctx[I915_CTXREG_LIS4] = s4;
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ }
+}
+
/* =============================================================
* Color masks
@@ -869,18 +911,7 @@ i915Enable(struct gl_context * ctx, GLenum cap, GLboolean state)
break;
case GL_POINT_SPRITE:
- /* This state change is handled in i915_reduced_primitive_state because
- * the hardware bit should only be set when rendering points.
- */
- dw = i915->state.Ctx[I915_CTXREG_LIS4];
- if (state)
- dw |= S4_SPRITE_POINT_ENABLE;
- else
- dw &= ~S4_SPRITE_POINT_ENABLE;
- if (dw != i915->state.Ctx[I915_CTXREG_LIS4]) {
- i915->state.Ctx[I915_CTXREG_LIS4] = dw;
- I915_STATECHANGE(i915, I915_UPLOAD_CTX);
- }
+ /* Handle it at i915_update_sprite_point_enable () */
break;
case GL_POINT_SMOOTH:
diff --git a/src/mesa/drivers/dri/i915/intel_tris.c b/src/mesa/drivers/dri/i915/intel_tris.c
index c802d72..cf67d74 100644
--- a/src/mesa/drivers/dri/i915/intel_tris.c
+++ b/src/mesa/drivers/dri/i915/intel_tris.c
@@ -1188,6 +1188,7 @@ static char *fallbackStrings[] = {
[19] = "Smooth point",
[20] = "point sprite coord origin",
[21] = "depth/color drawing offset",
+ [22] = "coord replace(SPRITE POINT ENABLE)",
};