Optimize GLES2DecoderImpl::ApplyDirtyState.

gpu/command_buffer/service/context_state_impl_autogen.h

 // Copyright 2014 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.
 
 // This file is auto-generated from
 // gpu/command_buffer/build_gles2_cmd_buffer.py
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
 // It is included by context_state.cc
 #ifndef GPU_COMMAND_BUFFER_SERVICE_CONTEXT_STATE_IMPL_AUTOGEN_H_
 #define GPU_COMMAND_BUFFER_SERVICE_CONTEXT_STATE_IMPL_AUTOGEN_H_
 
 ContextState::EnableFlags::EnableFlags()
     : blend(false),
+      cached_blend(false),
       cull_face(false),
+      cached_cull_face(false),
       depth_test(false),
+      cached_depth_test(false),
       dither(true),
+      cached_dither(true),
       polygon_offset_fill(false),
+      cached_polygon_offset_fill(false),
       sample_alpha_to_coverage(false),
+      cached_sample_alpha_to_coverage(false),
       sample_coverage(false),
+      cached_sample_coverage(false),
       scissor_test(false),
-      stencil_test(false) {
+      cached_scissor_test(false),
+      stencil_test(false),
+      cached_stencil_test(false) {
 }
 
 void ContextState::Initialize() {
   blend_color_red = 0.0f;
   blend_color_green = 0.0f;
   blend_color_blue = 0.0f;
   blend_color_alpha = 0.0f;
   blend_equation_rgb = GL_FUNC_ADD;
   blend_equation_alpha = GL_FUNC_ADD;
   blend_source_rgb = GL_ONE;
   blend_dest_rgb = GL_ZERO;
   blend_source_alpha = GL_ONE;
   blend_dest_alpha = GL_ZERO;
   color_clear_red = 0.0f;
   color_clear_green = 0.0f;
   color_clear_blue = 0.0f;
   color_clear_alpha = 0.0f;
   depth_clear = 1.0f;
   stencil_clear = 0;
   color_mask_red = true;
+  cached_color_mask_red = true;
   color_mask_green = true;
+  cached_color_mask_green = true;
   color_mask_blue = true;
+  cached_color_mask_blue = true;
   color_mask_alpha = true;
+  cached_color_mask_alpha = true;
   cull_mode = GL_BACK;
   depth_func = GL_LESS;
   depth_mask = true;
+  cached_depth_mask = true;
   z_near = 0.0f;
   z_far = 1.0f;
   front_face = GL_CCW;
   hint_generate_mipmap = GL_DONT_CARE;
   hint_fragment_shader_derivative = GL_DONT_CARE;
   line_width = 1.0f;
   pack_alignment = 4;
   unpack_alignment = 4;
   polygon_offset_factor = 0.0f;
   polygon_offset_units = 0.0f;
   sample_coverage_value = 1.0f;
   sample_coverage_invert = false;
   scissor_x = 0;
   scissor_y = 0;
   scissor_width = 1;
   scissor_height = 1;
   stencil_front_func = GL_ALWAYS;
   stencil_front_ref = 0;
   stencil_front_mask = 0xFFFFFFFFU;
   stencil_back_func = GL_ALWAYS;
   stencil_back_ref = 0;
   stencil_back_mask = 0xFFFFFFFFU;
   stencil_front_writemask = 0xFFFFFFFFU;
+  cached_stencil_front_writemask = 0xFFFFFFFFU;
   stencil_back_writemask = 0xFFFFFFFFU;
+  cached_stencil_back_writemask = 0xFFFFFFFFU;
   stencil_front_fail_op = GL_KEEP;
   stencil_front_z_fail_op = GL_KEEP;
   stencil_front_z_pass_op = GL_KEEP;
   stencil_back_fail_op = GL_KEEP;
   stencil_back_z_fail_op = GL_KEEP;
   stencil_back_z_pass_op = GL_KEEP;
   viewport_x = 0;
   viewport_y = 0;
   viewport_width = 1;
   viewport_height = 1;
 }
 
 void ContextState::InitCapabilities(const ContextState* prev_state) const {
   if (prev_state) {
-    if (prev_state->enable_flags.blend != enable_flags.blend)
-      EnableDisable(GL_BLEND, enable_flags.blend);
-    if (prev_state->enable_flags.cull_face != enable_flags.cull_face)
-      EnableDisable(GL_CULL_FACE, enable_flags.cull_face);
-    if (prev_state->enable_flags.depth_test != enable_flags.depth_test)
-      EnableDisable(GL_DEPTH_TEST, enable_flags.depth_test);
-    if (prev_state->enable_flags.dither != enable_flags.dither)
-      EnableDisable(GL_DITHER, enable_flags.dither);
-    if (prev_state->enable_flags.polygon_offset_fill !=
-        enable_flags.polygon_offset_fill)
-      EnableDisable(GL_POLYGON_OFFSET_FILL, enable_flags.polygon_offset_fill);
-    if (prev_state->enable_flags.sample_alpha_to_coverage !=
-        enable_flags.sample_alpha_to_coverage)
+    if (prev_state->enable_flags.cached_blend != enable_flags.cached_blend)
+      EnableDisable(GL_BLEND, enable_flags.cached_blend);
+    if (prev_state->enable_flags.cached_cull_face !=
+        enable_flags.cached_cull_face)
+      EnableDisable(GL_CULL_FACE, enable_flags.cached_cull_face);
+    if (prev_state->enable_flags.cached_depth_test !=
+        enable_flags.cached_depth_test)
+      EnableDisable(GL_DEPTH_TEST, enable_flags.cached_depth_test);
+    if (prev_state->enable_flags.cached_dither != enable_flags.cached_dither)
+      EnableDisable(GL_DITHER, enable_flags.cached_dither);
+    if (prev_state->enable_flags.cached_polygon_offset_fill !=
+        enable_flags.cached_polygon_offset_fill)
+      EnableDisable(GL_POLYGON_OFFSET_FILL,
+                    enable_flags.cached_polygon_offset_fill);
+    if (prev_state->enable_flags.cached_sample_alpha_to_coverage !=
+        enable_flags.cached_sample_alpha_to_coverage)
       EnableDisable(GL_SAMPLE_ALPHA_TO_COVERAGE,
-                    enable_flags.sample_alpha_to_coverage);
-    if (prev_state->enable_flags.sample_coverage !=
-        enable_flags.sample_coverage)
-      EnableDisable(GL_SAMPLE_COVERAGE, enable_flags.sample_coverage);
-    if (prev_state->enable_flags.scissor_test != enable_flags.scissor_test)
-      EnableDisable(GL_SCISSOR_TEST, enable_flags.scissor_test);
-    if (prev_state->enable_flags.stencil_test != enable_flags.stencil_test)
-      EnableDisable(GL_STENCIL_TEST, enable_flags.stencil_test);
+                    enable_flags.cached_sample_alpha_to_coverage);
+    if (prev_state->enable_flags.cached_sample_coverage !=
+        enable_flags.cached_sample_coverage)
+      EnableDisable(GL_SAMPLE_COVERAGE, enable_flags.cached_sample_coverage);
+    if (prev_state->enable_flags.cached_scissor_test !=
+        enable_flags.cached_scissor_test)
+      EnableDisable(GL_SCISSOR_TEST, enable_flags.cached_scissor_test);
+    if (prev_state->enable_flags.cached_stencil_test !=
+        enable_flags.cached_stencil_test)
+      EnableDisable(GL_STENCIL_TEST, enable_flags.cached_stencil_test);
   } else {
-    EnableDisable(GL_BLEND, enable_flags.blend);
-    EnableDisable(GL_CULL_FACE, enable_flags.cull_face);
-    EnableDisable(GL_DEPTH_TEST, enable_flags.depth_test);
-    EnableDisable(GL_DITHER, enable_flags.dither);
-    EnableDisable(GL_POLYGON_OFFSET_FILL, enable_flags.polygon_offset_fill);
+    EnableDisable(GL_BLEND, enable_flags.cached_blend);
+    EnableDisable(GL_CULL_FACE, enable_flags.cached_cull_face);
+    EnableDisable(GL_DEPTH_TEST, enable_flags.cached_depth_test);
+    EnableDisable(GL_DITHER, enable_flags.cached_dither);
+    EnableDisable(GL_POLYGON_OFFSET_FILL,
+                  enable_flags.cached_polygon_offset_fill);
     EnableDisable(GL_SAMPLE_ALPHA_TO_COVERAGE,
-                  enable_flags.sample_alpha_to_coverage);
-    EnableDisable(GL_SAMPLE_COVERAGE, enable_flags.sample_coverage);
-    EnableDisable(GL_SCISSOR_TEST, enable_flags.scissor_test);
-    EnableDisable(GL_STENCIL_TEST, enable_flags.stencil_test);
+                  enable_flags.cached_sample_alpha_to_coverage);
+    EnableDisable(GL_SAMPLE_COVERAGE, enable_flags.cached_sample_coverage);
+    EnableDisable(GL_SCISSOR_TEST, enable_flags.cached_scissor_test);
+    EnableDisable(GL_STENCIL_TEST, enable_flags.cached_stencil_test);
   }
 }
 
 void ContextState::InitState(const ContextState* prev_state) const {
   if (prev_state) {
     if ((blend_color_red != prev_state->blend_color_red) ||
         (blend_color_green != prev_state->blend_color_green) ||
         (blend_color_blue != prev_state->blend_color_blue) ||
         (blend_color_alpha != prev_state->blend_color_alpha))
       glBlendColor(blend_color_red,
@@ skipping 16 matching lines @@
         (color_clear_blue != prev_state->color_clear_blue) ||
         (color_clear_alpha != prev_state->color_clear_alpha))
       glClearColor(color_clear_red,
                    color_clear_green,
                    color_clear_blue,
                    color_clear_alpha);
     if ((depth_clear != prev_state->depth_clear))
       glClearDepth(depth_clear);
     if ((stencil_clear != prev_state->stencil_clear))
       glClearStencil(stencil_clear);
-    if ((color_mask_red != prev_state->color_mask_red) ||
-        (color_mask_green != prev_state->color_mask_green) ||
-        (color_mask_blue != prev_state->color_mask_blue) ||
-        (color_mask_alpha != prev_state->color_mask_alpha))
-      glColorMask(
-          color_mask_red, color_mask_green, color_mask_blue, color_mask_alpha);
+    if ((cached_color_mask_red != prev_state->cached_color_mask_red) ||
+        (cached_color_mask_green != prev_state->cached_color_mask_green) ||
+        (cached_color_mask_blue != prev_state->cached_color_mask_blue) ||
+        (cached_color_mask_alpha != prev_state->cached_color_mask_alpha))
+      glColorMask(cached_color_mask_red,
+                  cached_color_mask_green,
+                  cached_color_mask_blue,
+                  cached_color_mask_alpha);
     if ((cull_mode != prev_state->cull_mode))
       glCullFace(cull_mode);
     if ((depth_func != prev_state->depth_func))
       glDepthFunc(depth_func);
-    if ((depth_mask != prev_state->depth_mask))
-      glDepthMask(depth_mask);
+    if ((cached_depth_mask != prev_state->cached_depth_mask))
+      glDepthMask(cached_depth_mask);
     if ((z_near != prev_state->z_near) || (z_far != prev_state->z_far))
       glDepthRange(z_near, z_far);
     if ((front_face != prev_state->front_face))
       glFrontFace(front_face);
     if (prev_state->hint_generate_mipmap != hint_generate_mipmap)
       glHint(GL_GENERATE_MIPMAP_HINT, hint_generate_mipmap);
     if (feature_info_->feature_flags().oes_standard_derivatives)
       if (prev_state->hint_fragment_shader_derivative !=
           hint_fragment_shader_derivative)
         glHint(GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES,
@@ skipping 18 matching lines @@
     if ((stencil_front_func != prev_state->stencil_front_func) ||
         (stencil_front_ref != prev_state->stencil_front_ref) ||
         (stencil_front_mask != prev_state->stencil_front_mask))
       glStencilFuncSeparate(
           GL_FRONT, stencil_front_func, stencil_front_ref, stencil_front_mask);
     if ((stencil_back_func != prev_state->stencil_back_func) ||
         (stencil_back_ref != prev_state->stencil_back_ref) ||
         (stencil_back_mask != prev_state->stencil_back_mask))
       glStencilFuncSeparate(
           GL_BACK, stencil_back_func, stencil_back_ref, stencil_back_mask);
-    if ((stencil_front_writemask != prev_state->stencil_front_writemask))
-      glStencilMaskSeparate(GL_FRONT, stencil_front_writemask);
-    if ((stencil_back_writemask != prev_state->stencil_back_writemask))
-      glStencilMaskSeparate(GL_BACK, stencil_back_writemask);
+    if ((cached_stencil_front_writemask !=
+         prev_state->cached_stencil_front_writemask))
+      glStencilMaskSeparate(GL_FRONT, cached_stencil_front_writemask);
+    if ((cached_stencil_back_writemask !=
+         prev_state->cached_stencil_back_writemask))
+      glStencilMaskSeparate(GL_BACK, cached_stencil_back_writemask);
     if ((stencil_front_fail_op != prev_state->stencil_front_fail_op) ||
         (stencil_front_z_fail_op != prev_state->stencil_front_z_fail_op) ||
         (stencil_front_z_pass_op != prev_state->stencil_front_z_pass_op))
       glStencilOpSeparate(GL_FRONT,
                           stencil_front_fail_op,
                           stencil_front_z_fail_op,
                           stencil_front_z_pass_op);
     if ((stencil_back_fail_op != prev_state->stencil_back_fail_op) ||
         (stencil_back_z_fail_op != prev_state->stencil_back_z_fail_op) ||
         (stencil_back_z_pass_op != prev_state->stencil_back_z_pass_op))
@@ skipping 13 matching lines @@
                  blend_color_alpha);
     glBlendEquationSeparate(blend_equation_rgb, blend_equation_alpha);
     glBlendFuncSeparate(
         blend_source_rgb, blend_dest_rgb, blend_source_alpha, blend_dest_alpha);
     glClearColor(color_clear_red,
                  color_clear_green,
                  color_clear_blue,
                  color_clear_alpha);
     glClearDepth(depth_clear);
     glClearStencil(stencil_clear);
-    glColorMask(
-        color_mask_red, color_mask_green, color_mask_blue, color_mask_alpha);
+    glColorMask(cached_color_mask_red,
+                cached_color_mask_green,
+                cached_color_mask_blue,
+                cached_color_mask_alpha);
     glCullFace(cull_mode);
     glDepthFunc(depth_func);
-    glDepthMask(depth_mask);
+    glDepthMask(cached_depth_mask);
     glDepthRange(z_near, z_far);
     glFrontFace(front_face);
     glHint(GL_GENERATE_MIPMAP_HINT, hint_generate_mipmap);
     if (feature_info_->feature_flags().oes_standard_derivatives)
       glHint(GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES,
              hint_fragment_shader_derivative);
     glLineWidth(line_width);
     glPixelStorei(GL_PACK_ALIGNMENT, pack_alignment);
     glPixelStorei(GL_UNPACK_ALIGNMENT, unpack_alignment);
     glPolygonOffset(polygon_offset_factor, polygon_offset_units);
     glSampleCoverage(sample_coverage_value, sample_coverage_invert);
     glScissor(scissor_x, scissor_y, scissor_width, scissor_height);
     glStencilFuncSeparate(
         GL_FRONT, stencil_front_func, stencil_front_ref, stencil_front_mask);
     glStencilFuncSeparate(
         GL_BACK, stencil_back_func, stencil_back_ref, stencil_back_mask);
-    glStencilMaskSeparate(GL_FRONT, stencil_front_writemask);
-    glStencilMaskSeparate(GL_BACK, stencil_back_writemask);
+    glStencilMaskSeparate(GL_FRONT, cached_stencil_front_writemask);
+    glStencilMaskSeparate(GL_BACK, cached_stencil_back_writemask);
     glStencilOpSeparate(GL_FRONT,
                         stencil_front_fail_op,
                         stencil_front_z_fail_op,
                         stencil_front_z_pass_op);
     glStencilOpSeparate(GL_BACK,
                         stencil_back_fail_op,
                         stencil_back_z_fail_op,
                         stencil_back_z_pass_op);
     glViewport(viewport_x, viewport_y, viewport_width, viewport_height);
   }
@@ skipping 667 matching lines @@
       *num_written = 1;
       if (params) {
         params[0] = static_cast<GLfloat>(enable_flags.stencil_test);
       }
       return true;
     default:
       return false;
   }
 }
 #endif  // GPU_COMMAND_BUFFER_SERVICE_CONTEXT_STATE_IMPL_AUTOGEN_H_