diff options
Diffstat (limited to 'src/mesa/drivers/dri/i915')
-rw-r--r-- | src/mesa/drivers/dri/i915/i915_context.h | 1 | ||||
-rw-r--r-- | src/mesa/drivers/dri/i915/i915_state.c | 32 |
2 files changed, 32 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i915/i915_context.h b/src/mesa/drivers/dri/i915/i915_context.h index 082d6144425..25418d5f7aa 100644 --- a/src/mesa/drivers/dri/i915/i915_context.h +++ b/src/mesa/drivers/dri/i915/i915_context.h @@ -39,6 +39,7 @@ #define I915_FALLBACK_LOGICOP 0x20000 #define I915_FALLBACK_POLYGON_SMOOTH 0x40000 #define I915_FALLBACK_POINT_SMOOTH 0x80000 +#define I915_FALLBACK_POINT_SPRITE_COORD_ORIGIN 0x100000 #define I915_UPLOAD_CTX 0x1 #define I915_UPLOAD_BUFFERS 0x2 diff --git a/src/mesa/drivers/dri/i915/i915_state.c b/src/mesa/drivers/dri/i915/i915_state.c index b60efea75bd..cc98d125dbc 100644 --- a/src/mesa/drivers/dri/i915/i915_state.c +++ b/src/mesa/drivers/dri/i915/i915_state.c @@ -585,7 +585,7 @@ i915PointSize(GLcontext * ctx, GLfloat size) { struct i915_context *i915 = I915_CONTEXT(ctx); int lis4 = i915->state.Ctx[I915_CTXREG_LIS4] & ~S4_POINT_WIDTH_MASK; - GLint point_size = (int) size; + GLint point_size = (int) round(size); DBG("%s\n", __FUNCTION__); @@ -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; @@ -1108,6 +1137,7 @@ i915InitStateFunctions(struct dd_function_table *functions) functions->LineWidth = i915LineWidth; functions->LogicOpcode = i915LogicOp; functions->PointSize = i915PointSize; + functions->PointParameterfv = i915PointParameterfv; functions->PolygonStipple = i915PolygonStipple; functions->Scissor = i915Scissor; functions->ShadeModel = i915ShadeModel; |