Added GLES3 Capabilities to the Command Buffer

gpu/command_buffer/build_gles2_cmd_buffer.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """code generator for GLES2 command buffers."""
 
 import itertools
 import os
 import os.path
@@ skipping 64 matching lines @@
   {'name': 'blend'},
   {'name': 'cull_face'},
   {'name': 'depth_test', 'state_flag': 'framebuffer_state_.clear_state_dirty'},
   {'name': 'dither', 'default': True},
   {'name': 'polygon_offset_fill'},
   {'name': 'sample_alpha_to_coverage'},
   {'name': 'sample_coverage'},
   {'name': 'scissor_test'},
   {'name': 'stencil_test',
    'state_flag': 'framebuffer_state_.clear_state_dirty'},
+  {'name': 'rasterizer_discard', 'es3': True},
 ]
 
 _STATES = {
   'ClearColor': {
     'type': 'Normal',
     'func': 'ClearColor',
     'enum': 'GL_COLOR_CLEAR_VALUE',
     'states': [
       {'name': 'color_clear_red', 'type': 'GLfloat', 'default': '0.0f'},
       {'name': 'color_clear_green', 'type': 'GLfloat', 'default': '0.0f'},
@@ skipping 796 matching lines @@
       'GL_DST_ALPHA',
       'GL_ONE_MINUS_DST_ALPHA',
       'GL_CONSTANT_COLOR',
       'GL_ONE_MINUS_CONSTANT_COLOR',
       'GL_CONSTANT_ALPHA',
       'GL_ONE_MINUS_CONSTANT_ALPHA',
     ],
   },
   'Capability': {
     'type': 'GLenum',
-    'valid': ["GL_%s" % cap['name'].upper() for cap in _CAPABILITY_FLAGS],
+    'valid': ["GL_%s" % cap['name'].upper() for cap in _CAPABILITY_FLAGS
+        if 'es3' not in cap or cap['es3'] != True],
+    'valid_es3': ["GL_%s" % cap['name'].upper() for cap in _CAPABILITY_FLAGS
+        if 'es3' in cap and cap['es3'] == True],
     'invalid': [
       'GL_CLIP_PLANE0',
       'GL_POINT_SPRITE',
     ],
   },
   'DrawMode': {
     'type': 'GLenum',
     'valid': [
       'GL_POINTS',
       'GL_LINE_STRIP',
@@ skipping 8615 matching lines @@
           if isinstance(item['default'], list):
             for ndx, value in enumerate(item['default']):
               file.Write("  cached_%s[%d] = %s;\n" % (item['name'], ndx, value))
           else:
             file.Write("  cached_%s = %s;\n" % (item['name'], item['default']))
     file.Write("}\n")
 
     file.Write("""
 void ContextState::InitCapabilities(const ContextState* prev_state) const {
 """)
-    def WriteCapabilities(test_prev):
+    def WriteCapabilities(test_prev, es3_caps):
       for capability in _CAPABILITY_FLAGS:
         capability_name = capability['name']
+        capability_es3 = 'es3' in capability and capability['es3'] == True
+        if capability_es3 and not es3_caps or not capability_es3 and es3_caps:
+          continue
         if test_prev:
           file.Write("""  if (prev_state->enable_flags.cached_%s !=
-                              enable_flags.cached_%s)\n""" %
+                              enable_flags.cached_%s) {\n""" %
                      (capability_name, capability_name))
         file.Write("    EnableDisable(GL_%s, enable_flags.cached_%s);\n" %
                    (capability_name.upper(), capability_name))
+        if test_prev:
+          file.Write("  }")
 
     file.Write("  if (prev_state) {")
-    WriteCapabilities(True)
+    WriteCapabilities(True, False)
+    file.Write("    if (feature_info_->IsES3Capable()) {\n")
+    WriteCapabilities(True, True)
+    file.Write("    }\n")
     file.Write("  } else {")
-    WriteCapabilities(False)
+    WriteCapabilities(False, False)
+    file.Write("    if (feature_info_->IsES3Capable()) {\n")
+    WriteCapabilities(False, True)
+    file.Write("    }\n")
     file.Write("  }")
 
     file.Write("""}
 
 void ContextState::InitState(const ContextState *prev_state) const {
 """)
 
     def WriteStates(test_prev):
       # We need to sort the keys so the expectations match
       for state_name in sorted(_STATES.keys()):
@@ skipping 215 matching lines @@
           else:
             func.WriteServiceUnitTest(file, {
               'test_name': test_name
             })
       file.Close()
       self.generated_cpp_filenames.append(file.filename)
     file = CHeaderWriter(
         filename % 0,
         "// It is included by gles2_cmd_decoder_unittest_base.cc\n")
     file.Write(
-"""void GLES2DecoderTestBase::SetupInitCapabilitiesExpectations() {
-""")
+"""void GLES2DecoderTestBase::SetupInitCapabilitiesExpectations(
+      bool es3_capable) {""")
     for capability in _CAPABILITY_FLAGS:
-      file.Write("  ExpectEnableDisable(GL_%s, %s);\n" %
-                 (capability['name'].upper(),
-                  ('false', 'true')['default' in capability]))
-    file.Write("""}
+      capability_es3 = 'es3' in capability and capability['es3'] == True
+      if not capability_es3:
+        file.Write("  ExpectEnableDisable(GL_%s, %s);\n" %
+                   (capability['name'].upper(),
+                    ('false', 'true')['default' in capability]))
+
+    file.Write("  if (es3_capable) {")
+    for capability in _CAPABILITY_FLAGS:
+      capability_es3 = 'es3' in capability and capability['es3'] == True
+      if capability_es3:
+        file.Write("    ExpectEnableDisable(GL_%s, %s);\n" %
+                   (capability['name'].upper(),
+                    ('false', 'true')['default' in capability]))
+    file.Write("""  }
+}
 
 void GLES2DecoderTestBase::SetupInitStateExpectations() {
 """)
 
     # We need to sort the keys so the expectations match
     for state_name in sorted(_STATES.keys()):
       state = _STATES[state_name]
       if state['type'] == 'FrontBack':
         num_states = len(state['states'])
         for ndx, group in enumerate(Grouper(num_states / 2, state['states'])):
@@ skipping 701 matching lines @@
   Format(gen.generated_cpp_filenames)
 
   if gen.errors > 0:
     print "%d errors" % gen.errors
     return 1
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))