media: replace LUMINANCE_F16 by RG_88 for 9/10-bit h264 videos

cc/output/gl_renderer.cc

 // Copyright 2010 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.
 
 #include "cc/output/gl_renderer.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 2198 matching lines @@
   TexCoordPrecision tex_coord_precision = TexCoordPrecisionRequired(
       gl_, &highp_threshold_cache_, highp_threshold_min_,
       quad->shared_quad_state->visible_quad_layer_rect.bottom_right());
 
   bool use_alpha_plane = quad->a_plane_resource_id() != 0;
   bool use_nv12 = quad->v_plane_resource_id() == quad->u_plane_resource_id();
   bool use_color_lut =
       base::FeatureList::IsEnabled(media::kVideoColorManagement);
   DCHECK(!(use_nv12 && use_alpha_plane));
 
+  FragmentShaderYUVVideo::HighbitTexture highbit_texture =
+      FragmentShaderYUVVideo::HIGHBIT_Y8;
+  if (quad->bits_per_channel > 8) {
+    // TODO(dshwang): the resource should know its format. crbug.com/624436
+    ResourceFormat resource_format =
+        resource_provider_->GetResourceFormat(quad->y_plane_resource_id());
+    if (resource_format == LUMINANCE_F16) {
+      highbit_texture = FragmentShaderYUVVideo::HIGHBIT_LUMINANCE_F16;
+    } else {
+      DCHECK(RG_88 == resource_format || RGBA_8888 == resource_format);
+      highbit_texture = FragmentShaderYUVVideo::HIGHBIT_RG88;
+    }
+  }
+  DCHECK_LE(YUVVideoDrawQuad::kMinBitsPerChannel, quad->bits_per_channel);
+  DCHECK_LE(quad->bits_per_channel, YUVVideoDrawQuad::kMaxBitsPerChannel);
+  GLenum filter = highbit_texture == FragmentShaderYUVVideo::HIGHBIT_RG88
+                      ? GL_NEAREST
+                      : GL_LINEAR;
+
+  // y_plane can be RG texture, so use manual bilinear shader.
   ResourceProvider::ScopedSamplerGL y_plane_lock(
-      resource_provider_, quad->y_plane_resource_id(), GL_TEXTURE1, GL_LINEAR);
+      resource_provider_, quad->y_plane_resource_id(), GL_TEXTURE1, filter);
   ResourceProvider::ScopedSamplerGL u_plane_lock(
-      resource_provider_, quad->u_plane_resource_id(), GL_TEXTURE2, GL_LINEAR);
+      resource_provider_, quad->u_plane_resource_id(), GL_TEXTURE2, filter);
   DCHECK_EQ(y_plane_lock.target(), u_plane_lock.target());
   // TODO(jbauman): Use base::Optional when available.
   std::unique_ptr<ResourceProvider::ScopedSamplerGL> v_plane_lock;
   if (!use_nv12) {
     v_plane_lock.reset(new ResourceProvider::ScopedSamplerGL(
-        resource_provider_, quad->v_plane_resource_id(), GL_TEXTURE3,
-        GL_LINEAR));
+        resource_provider_, quad->v_plane_resource_id(), GL_TEXTURE3, filter));
     DCHECK_EQ(y_plane_lock.target(), v_plane_lock->target());
+  } else {
+    // |bits_per_channel| of PIXEL_FORMAT_NV12 is 8.
+    DCHECK_EQ(static_cast<GLenum>(GL_LINEAR), filter);
   }
   std::unique_ptr<ResourceProvider::ScopedSamplerGL> a_plane_lock;
   if (use_alpha_plane) {
     a_plane_lock.reset(new ResourceProvider::ScopedSamplerGL(
         resource_provider_, quad->a_plane_resource_id(), GL_TEXTURE4,
         GL_LINEAR));
     DCHECK_EQ(y_plane_lock.target(), a_plane_lock->target());
+    // |bits_per_channel| of PIXEL_FORMAT_YV12A is 8.
+    DCHECK_EQ(static_cast<GLenum>(GL_LINEAR), filter);
   }
 
   // All planes must have the same sampler type.
   SamplerType sampler = SamplerTypeFromTextureTarget(y_plane_lock.target());
 
   int matrix_location = -1;
   int ya_tex_scale_location = -1;
   int ya_tex_offset_location = -1;
   int uv_tex_scale_location = -1;
   int uv_tex_offset_location = -1;
+  int ya_size_location = -1;
+  int uv_size_location = -1;
   int ya_clamp_rect_location = -1;
   int uv_clamp_rect_location = -1;
   int y_texture_location = -1;
   int u_texture_location = -1;
   int v_texture_location = -1;
   int uv_texture_location = -1;
   int a_texture_location = -1;
   int lut_texture_location = -1;
   int yuv_matrix_location = -1;
   int yuv_adj_location = -1;
   int alpha_location = -1;
   int resource_multiplier_location = -1;
   int resource_offset_location = -1;
-  const VideoYUVProgram* program = GetVideoYUVProgram(
-      tex_coord_precision, sampler, use_alpha_plane, use_nv12, use_color_lut);
+  const VideoYUVProgram* program =
+      GetVideoYUVProgram(tex_coord_precision, sampler, use_alpha_plane,
+                         use_nv12, use_color_lut, highbit_texture);
   DCHECK(program && (program->initialized() || IsContextLost()));
   SetUseProgram(program->program());
   matrix_location = program->vertex_shader().matrix_location();
   ya_tex_scale_location = program->vertex_shader().ya_tex_scale_location();
   ya_tex_offset_location = program->vertex_shader().ya_tex_offset_location();
   uv_tex_scale_location = program->vertex_shader().uv_tex_scale_location();
   uv_tex_offset_location = program->vertex_shader().uv_tex_offset_location();
   y_texture_location = program->fragment_shader().y_texture_location();
   u_texture_location = program->fragment_shader().u_texture_location();
   v_texture_location = program->fragment_shader().v_texture_location();
   uv_texture_location = program->fragment_shader().uv_texture_location();
   a_texture_location = program->fragment_shader().a_texture_location();
   lut_texture_location = program->fragment_shader().lut_texture_location();
   yuv_matrix_location = program->fragment_shader().yuv_matrix_location();
   yuv_adj_location = program->fragment_shader().yuv_adj_location();
+  ya_size_location = program->fragment_shader().ya_size_location();
+  uv_size_location = program->fragment_shader().uv_size_location();
   ya_clamp_rect_location = program->fragment_shader().ya_clamp_rect_location();
   uv_clamp_rect_location = program->fragment_shader().uv_clamp_rect_location();
   alpha_location = program->fragment_shader().alpha_location();
   resource_multiplier_location =
       program->fragment_shader().resource_multiplier_location();
   resource_offset_location =
       program->fragment_shader().resource_offset_location();
 
   gfx::SizeF ya_tex_scale(1.0f, 1.0f);
   gfx::SizeF uv_tex_scale(1.0f, 1.0f);
@@ skipping 49 matching lines @@
   gl_->Uniform1i(y_texture_location, 1);
   if (use_nv12) {
     gl_->Uniform1i(uv_texture_location, 2);
   } else {
     gl_->Uniform1i(u_texture_location, 2);
     gl_->Uniform1i(v_texture_location, 3);
   }
   if (use_alpha_plane)
     gl_->Uniform1i(a_texture_location, 4);
 
-  // These values are magic numbers that are used in the transformation from YUV
-  // to RGB color values.  They are taken from the following webpage:
-  // http://www.fourcc.org/fccyvrgb.php
-  float yuv_to_rgb_rec601[9] = {
-      1.164f, 1.164f, 1.164f, 0.0f, -.391f, 2.018f, 1.596f, -.813f, 0.0f,
-  };
-  float yuv_to_rgb_jpeg[9] = {
-      1.f, 1.f, 1.f, 0.0f, -.34414f, 1.772f, 1.402f, -.71414f, 0.0f,
-  };
-  float yuv_to_rgb_rec709[9] = {
-      1.164f, 1.164f, 1.164f, 0.0f, -0.213f, 2.112f, 1.793f, -0.533f, 0.0f,
-  };
-
-  // They are used in the YUV to RGBA conversion formula:
-  //   Y - 16   : Gives 16 values of head and footroom for overshooting
-  //   U - 128  : Turns unsigned U into signed U [-128,127]
-  //   V - 128  : Turns unsigned V into signed V [-128,127]
-  float yuv_adjust_constrained[3] = {
-      -16.f, -128.f, -128.f,
-  };
-
-  // Same as above, but without the head and footroom.
-  float yuv_adjust_full[3] = {
-      0.0f, -128.f, -128.f,
-  };
-
-  float* yuv_to_rgb = NULL;
-  float* yuv_adjust = NULL;
-
-  switch (quad->color_space) {
-    case YUVVideoDrawQuad::REC_601:
-      yuv_to_rgb = yuv_to_rgb_rec601;
-      yuv_adjust = yuv_adjust_constrained;
+  float resource_multiplier = 1.f;
+  switch (highbit_texture) {
+    case FragmentShaderYUVVideo::HIGHBIT_Y8:
+      resource_multiplier = 1.f;
       break;
-    case YUVVideoDrawQuad::REC_709:
-      yuv_to_rgb = yuv_to_rgb_rec709;
-      yuv_adjust = yuv_adjust_constrained;
+    case FragmentShaderYUVVideo::HIGHBIT_LUMINANCE_F16:
+      resource_multiplier = quad->resource_multiplier;
       break;
-    case YUVVideoDrawQuad::JPEG:
-      yuv_to_rgb = yuv_to_rgb_jpeg;
-      yuv_adjust = yuv_adjust_full;
+    case FragmentShaderYUVVideo::HIGHBIT_RG88:
+      // f(r, g) = normalized_float = ((g * 256 * 255) + r * 255) / 1023
+      // when |bits_per_channel| is 10 bit, and |r| and |g| is normalized.
+      resource_multiplier = 255.f / ((1 << quad->bits_per_channel) - 1);
       break;
   }
 
-  float yuv_to_rgb_multiplied[9];
-  float yuv_adjust_with_offset[3];
-
-  // Formula according to BT.601-7 section 2.5.3.
-  DCHECK_LE(YUVVideoDrawQuad::kMinBitsPerChannel, quad->bits_per_channel);
-  DCHECK_LE(quad->bits_per_channel, YUVVideoDrawQuad::kMaxBitsPerChannel);
-  float adjustment_multiplier = (1 << (quad->bits_per_channel - 8)) * 1.0f /
-                                ((1 << quad->bits_per_channel) - 1);
-
-  for (int i = 0; i < 9; ++i)
-    yuv_to_rgb_multiplied[i] = yuv_to_rgb[i] * quad->resource_multiplier;
-
-  for (int i = 0; i < 3; ++i) {
-    yuv_adjust_with_offset[i] =
-        yuv_adjust[i] * adjustment_multiplier / quad->resource_multiplier -
-        quad->resource_offset;
-  }
-
-  if (lut_texture_location != -1) {
+  if (use_color_lut) {
+    DCHECK_NE(-1, lut_texture_location);
     unsigned int lut_texture = color_lut_cache_.GetLUT(
         quad->video_color_space, frame->device_color_space, 32);
     gl_->ActiveTexture(GL_TEXTURE5);
     gl_->BindTexture(GL_TEXTURE_2D, lut_texture);
     gl_->Uniform1i(lut_texture_location, 5);
     gl_->ActiveTexture(GL_TEXTURE0);
+
+    if (highbit_texture == FragmentShaderYUVVideo::HIGHBIT_LUMINANCE_F16 ||
+        highbit_texture == FragmentShaderYUVVideo::HIGHBIT_RG88) {
+      DCHECK_NE(-1, resource_multiplier_location);
+      gl_->Uniform1f(resource_multiplier_location, resource_multiplier);
+    }
+    if (highbit_texture == FragmentShaderYUVVideo::HIGHBIT_LUMINANCE_F16) {
+      DCHECK_NE(-1, resource_offset_location);
+      gl_->Uniform1f(resource_offset_location, quad->resource_offset);
+    }
+  } else {
+    DCHECK_NE(-1, yuv_matrix_location);
+    DCHECK_NE(-1, yuv_adj_location);
+
+    // These values are magic numbers that are used in the transformation from
+    // YUV to RGB color values.  They are taken from the following webpage:
+    // http://www.fourcc.org/fccyvrgb.php
+    float yuv_to_rgb_rec601[9] = {
+        1.164f, 1.164f, 1.164f, 0.0f, -.391f, 2.018f, 1.596f, -.813f, 0.0f,
+    };
+    float yuv_to_rgb_jpeg[9] = {
+        1.f, 1.f, 1.f, 0.0f, -.34414f, 1.772f, 1.402f, -.71414f, 0.0f,
+    };
+    float yuv_to_rgb_rec709[9] = {
+        1.164f, 1.164f, 1.164f, 0.0f, -0.213f, 2.112f, 1.793f, -0.533f, 0.0f,
+    };
+
+    // They are used in the YUV to RGBA conversion formula:
+    //   Y - 16   : Gives 16 values of head and footroom for overshooting
+    //   U - 128  : Turns unsigned U into signed U [-128,127]
+    //   V - 128  : Turns unsigned V into signed V [-128,127]
+    float yuv_adjust_constrained[3] = {
+        -16.f, -128.f, -128.f,
+    };
+
+    // Same as above, but without the head and footroom.
+    float yuv_adjust_full[3] = {
+        0.0f, -128.f, -128.f,
+    };
+
+    float* yuv_to_rgb = NULL;
+    float* yuv_adjust = NULL;
+
+    switch (quad->color_space) {
+      case YUVVideoDrawQuad::REC_601:
+        yuv_to_rgb = yuv_to_rgb_rec601;
+        yuv_adjust = yuv_adjust_constrained;
+        break;
+      case YUVVideoDrawQuad::REC_709:
+        yuv_to_rgb = yuv_to_rgb_rec709;
+        yuv_adjust = yuv_adjust_constrained;
+        break;
+      case YUVVideoDrawQuad::JPEG:
+        yuv_to_rgb = yuv_to_rgb_jpeg;
+        yuv_adjust = yuv_adjust_full;
+        break;
+    }
+
+    float yuv_to_rgb_multiplied[9];
+    for (int i = 0; i < 9; ++i)
+      yuv_to_rgb_multiplied[i] = yuv_to_rgb[i] * resource_multiplier;
+    gl_->UniformMatrix3fv(yuv_matrix_location, 1, 0, yuv_to_rgb_multiplied);
+
+    float yuv_adjust_with_offset[3];
+    // Formula according to BT.601-7 section 2.5.3.
+    float adjustment_multiplier = (1 << (quad->bits_per_channel - 8)) * 1.0f /
+                                  ((1 << quad->bits_per_channel) - 1);
+    float resource_offset = 0.f;
+    if (highbit_texture == FragmentShaderYUVVideo::HIGHBIT_LUMINANCE_F16)
+      resource_offset = quad->resource_offset;
+    for (int i = 0; i < 3; ++i) {
+      yuv_adjust_with_offset[i] =
+          yuv_adjust[i] * adjustment_multiplier / resource_multiplier -
+          resource_offset;
+    }
+
+    gl_->Uniform3fv(yuv_adj_location, 1, yuv_adjust_with_offset);
   }
 
-  if (resource_multiplier_location != -1) {
-    gl_->Uniform1f(resource_multiplier_location, quad->resource_multiplier);
-  }
-
-  if (resource_offset_location != -1) {
-    gl_->Uniform1f(resource_offset_location, quad->resource_offset);
+  if (highbit_texture == FragmentShaderYUVVideo::HIGHBIT_RG88) {
+    DCHECK_NE(-1, ya_size_location);
+    DCHECK_NE(-1, uv_size_location);
+    gl_->Uniform2f(ya_size_location, quad->ya_tex_size.width(),
+                   quad->ya_tex_size.height());
+    gl_->Uniform2f(uv_size_location, quad->uv_tex_size.width(),
+                   quad->uv_tex_size.height());
   }
 
   // The transform and vertex data are used to figure out the extents that the
   // un-antialiased quad should have and which vertex this is and the float
   // quad passed in via uniform is the actual geometry that gets used to draw
   // it. This is why this centered rect is used and not the original quad_rect.
   auto tile_rect = gfx::RectF(quad->rect);
-  if (yuv_matrix_location != -1) {
-    gl_->UniformMatrix3fv(yuv_matrix_location, 1, 0, yuv_to_rgb_multiplied);
-  }
-
-  if (yuv_adj_location) {
-    gl_->Uniform3fv(yuv_adj_location, 1, yuv_adjust_with_offset);
-  }
 
   SetShaderOpacity(quad->shared_quad_state->opacity, alpha_location);
   if (!clip_region) {
     DrawQuadGeometry(frame->projection_matrix,
                      quad->shared_quad_state->quad_to_target_transform,
                      tile_rect, matrix_location);
   } else {
     float uvs[8] = {0};
     GetScaledUVs(quad->visible_rect, clip_region, uvs);
     gfx::QuadF region_quad = *clip_region;
@@ skipping 1179 matching lines @@
                         sampler);
   }
   return program;
 }
 
 const GLRenderer::VideoYUVProgram* GLRenderer::GetVideoYUVProgram(
     TexCoordPrecision precision,
     SamplerType sampler,
     bool use_alpha_plane,
     bool use_nv12,
-    bool use_color_lut) {
+    bool use_color_lut,
+    FragmentShaderYUVVideo::HighbitTexture highbit_texture) {
   DCHECK_GE(precision, 0);
   DCHECK_LE(precision, LAST_TEX_COORD_PRECISION);
   DCHECK_GE(sampler, 0);
   DCHECK_LE(sampler, LAST_SAMPLER_TYPE);
   VideoYUVProgram* program =
       &video_yuv_program_[precision][sampler][use_alpha_plane][use_nv12]
-                         [use_color_lut];
+                         [use_color_lut][highbit_texture];
   if (!program->initialized()) {
     TRACE_EVENT0("cc", "GLRenderer::videoYUVProgram::initialize");
-    program->mutable_fragment_shader()->SetFeatures(use_alpha_plane, use_nv12,
-                                                    use_color_lut);
+    program->mutable_fragment_shader()->SetFeatures(
+        use_alpha_plane, use_nv12, use_color_lut, highbit_texture);
     program->Initialize(output_surface_->context_provider(), precision,
                         sampler);
   }
   return program;
 }
 
 const GLRenderer::VideoStreamTextureProgram*
 GLRenderer::GetVideoStreamTextureProgram(TexCoordPrecision precision) {
   DCHECK_GE(precision, 0);
   DCHECK_LE(precision, LAST_TEX_COORD_PRECISION);
@@ skipping 24 matching lines @@
           render_pass_mask_program_[i][j][k][l].Cleanup(gl_);
           render_pass_mask_program_aa_[i][j][k][l].Cleanup(gl_);
           render_pass_mask_color_matrix_program_aa_[i][j][k][l].Cleanup(gl_);
           render_pass_mask_color_matrix_program_[i][j][k][l].Cleanup(gl_);
         }
       }
 
       for (int k = 0; k < 2; k++) {
         for (int l = 0; l < 2; l++) {
           for (int m = 0; m < 2; m++) {
-            video_yuv_program_[i][j][k][l][m].Cleanup(gl_);
+            for (int n = 0; n <= FragmentShaderYUVVideo::LAST_HIGHBIT_TEXTURE;
+                 n++) {
+              video_yuv_program_[i][j][k][l][m][n].Cleanup(gl_);
+            }
           }
         }
       }
     }
     for (int j = 0; j <= LAST_BLEND_MODE; j++) {
       render_pass_program_[i][j].Cleanup(gl_);
       render_pass_program_aa_[i][j].Cleanup(gl_);
       render_pass_color_matrix_program_[i][j].Cleanup(gl_);
       render_pass_color_matrix_program_aa_[i][j].Cleanup(gl_);
     }
@@ skipping 340 matching lines @@
 
   gl_->ScheduleCALayerSharedStateCHROMIUM(
       ca_layer_overlay->shared_state->opacity, is_clipped, clip_rect,
       sorting_context_id, gl_transform);
   gl_->ScheduleCALayerCHROMIUM(
       texture_id, contents_rect, ca_layer_overlay->background_color,
       ca_layer_overlay->edge_aa_mask, bounds_rect, filter);
 }
 
 }  // namespace cc