diff options
| -rw-r--r-- | src/mesa/drivers/dri/i915/i915_state.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i915/i915_state.c b/src/mesa/drivers/dri/i915/i915_state.c index b60efea75bd..1ec84ef1167 100644 --- a/src/mesa/drivers/dri/i915/i915_state.c +++ b/src/mesa/drivers/dri/i915/i915_state.c @@ -599,6 +599,24 @@ i915PointSize(GLcontext * ctx, GLfloat size) } +static void +i915PointParameterfv(GLcontext * ctx, GLenum pname, const GLfloat *params) +{ + struct i915_context *i915 = I915_CONTEXT(ctx); + + switch (pname) { + case GL_POINT_SPRITE_COORD_ORIGIN: + /* This could be supported, but it would require modifying the fragment + * program to invert the y component of the texture coordinate by + * inserting a 'SUB tc.y, {1.0}.xxxx, tc' instruction. + */ + FALLBACK(&i915->intel, I915_FALLBACK_POINT_SPRITE_COORD_ORIGIN, + (params[0] != GL_UPPER_LEFT)); + break; + } +} + + /* ============================================================= * Color masks */ @@ -939,6 +957,17 @@ i915Enable(GLcontext * ctx, GLenum cap, GLboolean state) case GL_POLYGON_SMOOTH: 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. + */ + I915_STATECHANGE(i915, I915_UPLOAD_CTX); + if (state) + i915->state.Ctx[I915_CTXREG_LIS4] |= S4_SPRITE_POINT_ENABLE; + else + i915->state.Ctx[I915_CTXREG_LIS4] &= ~S4_SPRITE_POINT_ENABLE; + break; + case GL_POINT_SMOOTH: break; |