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Issue 1135813005: Add detection for rotation and flip overlay transforms (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Move Get*Axis to MathUtil, rename flipped->y_flipped Created 5 years, 7 months ago
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1 // Copyright 2010 The Chromium Authors. All rights reserved. 1 // Copyright 2010 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "cc/output/gl_renderer.h" 5 #include "cc/output/gl_renderer.h"
6 6
7 #include <algorithm> 7 #include <algorithm>
8 #include <limits> 8 #include <limits>
9 #include <set> 9 #include <set>
10 #include <string> 10 #include <string>
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65 return true; 65 return true;
66 #else 66 #else
67 return false; 67 return false;
68 #endif 68 #endif
69 } 69 }
70 70
71 Float4 UVTransform(const TextureDrawQuad* quad) { 71 Float4 UVTransform(const TextureDrawQuad* quad) {
72 gfx::PointF uv0 = quad->uv_top_left; 72 gfx::PointF uv0 = quad->uv_top_left;
73 gfx::PointF uv1 = quad->uv_bottom_right; 73 gfx::PointF uv1 = quad->uv_bottom_right;
74 Float4 xform = {{uv0.x(), uv0.y(), uv1.x() - uv0.x(), uv1.y() - uv0.y()}}; 74 Float4 xform = {{uv0.x(), uv0.y(), uv1.x() - uv0.x(), uv1.y() - uv0.y()}};
75 if (quad->flipped) { 75 if (quad->y_flipped) {
76 xform.data[1] = 1.0f - xform.data[1]; 76 xform.data[1] = 1.0f - xform.data[1];
77 xform.data[3] = -xform.data[3]; 77 xform.data[3] = -xform.data[3];
78 } 78 }
79 return xform; 79 return xform;
80 } 80 }
81 81
82 Float4 PremultipliedColor(SkColor color) { 82 Float4 PremultipliedColor(SkColor color) {
83 const float factor = 1.0f / 255.0f; 83 const float factor = 1.0f / 255.0f;
84 const float alpha = SkColorGetA(color) * factor; 84 const float alpha = SkColorGetA(color) * factor;
85 85
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3435 context_support_->ScheduleOverlayPlane( 3435 context_support_->ScheduleOverlayPlane(
3436 overlay.plane_z_order, 3436 overlay.plane_z_order,
3437 overlay.transform, 3437 overlay.transform,
3438 pending_overlay_resources_.back()->texture_id(), 3438 pending_overlay_resources_.back()->texture_id(),
3439 ToNearestRect(overlay.display_rect), 3439 ToNearestRect(overlay.display_rect),
3440 overlay.uv_rect); 3440 overlay.uv_rect);
3441 } 3441 }
3442 } 3442 }
3443 3443
3444 } // namespace cc 3444 } // namespace cc
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