Enable point sprites in StateManagerGL.

src/libANGLE/renderer/gl/StateManagerGL.cpp

@@ -100,6 +100,20 @@ StateManagerGL::StateManagerGL(const FunctionsGL *functions, const gl::Caps &ren
 
     mFramebuffers[GL_READ_FRAMEBUFFER] = 0;
     mFramebuffers[GL_DRAW_FRAMEBUFFER] = 0;
+
+    // Initialize point sprite state for desktop GL
+    if (mFunctions->standard == STANDARD_GL_DESKTOP)
+    {
+        mFunctions->enable(GL_PROGRAM_POINT_SIZE);
+
+        // GL_POINT_SPRITE was deprecated in the core profile. Point rasterization is always
+        // performed
+        // as though POINT_SPRITE were enabled.
+        if ((mFunctions->profile & GL_CONTEXT_CORE_PROFILE_BIT) == 0)
+        {
+            mFunctions->enable(GL_POINT_SPRITE);
+        }
+    }
 }
 
 void StateManagerGL::deleteProgram(GLuint program)

src/libANGLE/renderer/gl/functionsgl_enums.h

@@ -429,6 +429,7 @@
 #define GL_MAX_VERTEX_ATTRIBS 0x8869
 #define GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS 0x8B4C
 #define GL_MAX_VERTEX_UNIFORM_COMPONENTS 0x8B4A
+#define GL_POINT_SPRITE 0x8861
 #define GL_POINT_SPRITE_COORD_ORIGIN 0x8CA0
 #define GL_SAMPLER_1D 0x8B5D
 #define GL_SAMPLER_1D_SHADOW 0x8B61

src/libANGLE/renderer/gl/renderergl_utils.cpp

@@ -226,8 +226,21 @@ void GenerateCaps(const FunctionsGL *functions, gl::Caps *caps, gl::TextureCapsM
 
     caps->maxViewportWidth = QueryGLIntRange(functions, GL_MAX_VIEWPORT_DIMS, 0); // GL 1.0 / ES 2.0
     caps->maxViewportHeight = QueryGLIntRange(functions, GL_MAX_VIEWPORT_DIMS, 1); // GL 1.0 / ES 2.0
-    caps->minAliasedPointSize = QueryGLFloatRange(functions, GL_ALIASED_POINT_SIZE_RANGE, 0);
-    caps->maxAliasedPointSize = QueryGLFloatRange(functions, GL_ALIASED_POINT_SIZE_RANGE, 1);
+
+    if (functions->standard == STANDARD_GL_DESKTOP &&
+        (functions->profile & GL_CONTEXT_CORE_PROFILE_BIT) != 0)
+    {
+        // Desktop GL core profile deprecated the GL_ALIASED_POINT_SIZE_RANGE query.  Use
+        // GL_POINT_SIZE_RANGE instead.
+        caps->minAliasedPointSize = QueryGLFloatRange(functions, GL_POINT_SIZE_RANGE, 0);
+        caps->maxAliasedPointSize = QueryGLFloatRange(functions, GL_POINT_SIZE_RANGE, 1);
+    }
+    else
+    {
+        caps->minAliasedPointSize = QueryGLFloatRange(functions, GL_ALIASED_POINT_SIZE_RANGE, 0);
+        caps->maxAliasedPointSize = QueryGLFloatRange(functions, GL_ALIASED_POINT_SIZE_RANGE, 1);
+    }
+
     caps->minAliasedLineWidth = QueryGLFloatRange(functions, GL_ALIASED_LINE_WIDTH_RANGE, 0); // GL 1.2 / ES 2.0
     caps->maxAliasedLineWidth = QueryGLFloatRange(functions, GL_ALIASED_LINE_WIDTH_RANGE, 1); // GL 1.2 / ES 2.0