|
@@ -0,0 +1,139 @@
|
|
|
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
|
+From: Geoff Lang <[email protected]>
|
|
|
+Date: Mon, 19 Apr 2021 12:47:05 -0400
|
|
|
+Subject: D3D11: Skip blits if there is no intersection of dest areas
|
|
|
+
|
|
|
+Blit11 would clip the destination rectangle with the destination size
|
|
|
+but ignore the result. gl::ClipRectangle returns false when the
|
|
|
+rectangles do not intersect at all, indicating the blit can be skipped.
|
|
|
+
|
|
|
+This could lead to an out-of-bounds write to the GPU memory for the
|
|
|
+destination texture.
|
|
|
+
|
|
|
+Mark ClipRectangle as nodiscard to prevent future issues.
|
|
|
+
|
|
|
+Bug: chromium:1199402
|
|
|
+Change-Id: I260e82d0917b8aa7e7887f2c9f7ed4b1a03ba785
|
|
|
+Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2836786
|
|
|
+Reviewed-by: Jamie Madill <[email protected]>
|
|
|
+Commit-Queue: Geoff Lang <[email protected]>
|
|
|
+(cherry picked from commit b574643ef28c92fcea5122dd7a72acb42a514eed)
|
|
|
+Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2846982
|
|
|
+Reviewed-by: Geoff Lang <[email protected]>
|
|
|
+
|
|
|
+diff --git a/src/libANGLE/angletypes.h b/src/libANGLE/angletypes.h
|
|
|
+index ed64d1ff2e76fe449e605557d406ce9b29dfd5fc..a583049a98dd02fda3e3626b2be89d0fca8c433e 100644
|
|
|
+--- a/src/libANGLE/angletypes.h
|
|
|
++++ b/src/libANGLE/angletypes.h
|
|
|
+@@ -84,7 +84,9 @@ bool operator==(const Rectangle &a, const Rectangle &b);
|
|
|
+ bool operator!=(const Rectangle &a, const Rectangle &b);
|
|
|
+
|
|
|
+ // Calculate the intersection of two rectangles. Returns false if the intersection is empty.
|
|
|
+-bool ClipRectangle(const Rectangle &source, const Rectangle &clip, Rectangle *intersection);
|
|
|
++ANGLE_NO_DISCARD bool ClipRectangle(const Rectangle &source,
|
|
|
++ const Rectangle &clip,
|
|
|
++ Rectangle *intersection);
|
|
|
+ // Calculate the smallest rectangle that covers both rectangles. This rectangle may cover areas
|
|
|
+ // not covered by the two rectangles, for example in this situation:
|
|
|
+ //
|
|
|
+diff --git a/src/libANGLE/renderer/d3d/d3d11/Blit11.cpp b/src/libANGLE/renderer/d3d/d3d11/Blit11.cpp
|
|
|
+index 55f8f8f4d38f30990d7061de6ebaa0595f0447da..6d9365af8db5fa9835127650162d5aeb6ce46b77 100644
|
|
|
+--- a/src/libANGLE/renderer/d3d/d3d11/Blit11.cpp
|
|
|
++++ b/src/libANGLE/renderer/d3d/d3d11/Blit11.cpp
|
|
|
+@@ -141,7 +141,10 @@ void StretchedBlitNearest(const gl::Box &sourceArea,
|
|
|
+ uint8_t *destData)
|
|
|
+ {
|
|
|
+ gl::Rectangle clippedDestArea(destArea.x, destArea.y, destArea.width, destArea.height);
|
|
|
+- gl::ClipRectangle(clippedDestArea, clipRect, &clippedDestArea);
|
|
|
++ if (!gl::ClipRectangle(clippedDestArea, clipRect, &clippedDestArea))
|
|
|
++ {
|
|
|
++ return;
|
|
|
++ }
|
|
|
+
|
|
|
+ // Determine if entire rows can be copied at once instead of each individual pixel. There
|
|
|
+ // must be no out of bounds lookups, whole rows copies, and no scale.
|
|
|
+diff --git a/src/libANGLE/renderer/gl/FramebufferGL.cpp b/src/libANGLE/renderer/gl/FramebufferGL.cpp
|
|
|
+index ad0fe1c9d287ca656502556a613fd5a1f0793f41..55a1594b9f1f316b422c4dd818eb23685cbc5ff8 100644
|
|
|
+--- a/src/libANGLE/renderer/gl/FramebufferGL.cpp
|
|
|
++++ b/src/libANGLE/renderer/gl/FramebufferGL.cpp
|
|
|
+@@ -1118,7 +1118,10 @@ angle::Result FramebufferGL::clipSrcRegion(const gl::Context *context,
|
|
|
+ // If pixels lying outside the read framebuffer, adjust src region
|
|
|
+ // and dst region to appropriate in-bounds regions respectively.
|
|
|
+ gl::Rectangle realSourceRegion;
|
|
|
+- ClipRectangle(bounds.sourceRegion, bounds.sourceBounds, &realSourceRegion);
|
|
|
++ if (!ClipRectangle(bounds.sourceRegion, bounds.sourceBounds, &realSourceRegion))
|
|
|
++ {
|
|
|
++ return angle::Result::Stop;
|
|
|
++ }
|
|
|
+ GLuint xOffset = realSourceRegion.x - bounds.sourceRegion.x;
|
|
|
+ GLuint yOffset = realSourceRegion.y - bounds.sourceRegion.y;
|
|
|
+
|
|
|
+diff --git a/src/libANGLE/renderer/metal/ContextMtl.mm b/src/libANGLE/renderer/metal/ContextMtl.mm
|
|
|
+index 7a0e59fb40e38aee57d5e59bed72e3c005479970..e24cc10b431683ce8391753842ba582cb0d9987d 100644
|
|
|
+--- a/src/libANGLE/renderer/metal/ContextMtl.mm
|
|
|
++++ b/src/libANGLE/renderer/metal/ContextMtl.mm
|
|
|
+@@ -1581,7 +1581,10 @@ bool IsTransformFeedbackOnly(const gl::State &glState)
|
|
|
+
|
|
|
+ // Clip the render area to the viewport.
|
|
|
+ gl::Rectangle viewportClippedRenderArea;
|
|
|
+- gl::ClipRectangle(renderArea, glState.getViewport(), &viewportClippedRenderArea);
|
|
|
++ if (!gl::ClipRectangle(renderArea, glState.getViewport(), &viewportClippedRenderArea))
|
|
|
++ {
|
|
|
++ viewportClippedRenderArea = gl::Rectangle();
|
|
|
++ }
|
|
|
+
|
|
|
+ gl::Rectangle scissoredArea = ClipRectToScissor(getState(), viewportClippedRenderArea, false);
|
|
|
+ if (framebufferMtl->flipY())
|
|
|
+diff --git a/src/libANGLE/renderer/vulkan/ContextVk.cpp b/src/libANGLE/renderer/vulkan/ContextVk.cpp
|
|
|
+index 2f4d0452fe219fea29d6f490818817a5ca5ceb26..a3afc913106442daa7cbe6e5ec6cf6627b5aab1a 100644
|
|
|
+--- a/src/libANGLE/renderer/vulkan/ContextVk.cpp
|
|
|
++++ b/src/libANGLE/renderer/vulkan/ContextVk.cpp
|
|
|
+@@ -2662,8 +2662,11 @@ void ContextVk::updateScissor(const gl::State &glState)
|
|
|
+
|
|
|
+ // Clip the render area to the viewport.
|
|
|
+ gl::Rectangle viewportClippedRenderArea;
|
|
|
+- gl::ClipRectangle(renderArea, getCorrectedViewport(glState.getViewport()),
|
|
|
+- &viewportClippedRenderArea);
|
|
|
++ if (!gl::ClipRectangle(renderArea, getCorrectedViewport(glState.getViewport()),
|
|
|
++ &viewportClippedRenderArea))
|
|
|
++ {
|
|
|
++ viewportClippedRenderArea = gl::Rectangle();
|
|
|
++ }
|
|
|
+
|
|
|
+ gl::Rectangle scissoredArea = ClipRectToScissor(getState(), viewportClippedRenderArea, false);
|
|
|
+ gl::Rectangle rotatedScissoredArea;
|
|
|
+diff --git a/src/tests/gl_tests/BlitFramebufferANGLETest.cpp b/src/tests/gl_tests/BlitFramebufferANGLETest.cpp
|
|
|
+index 1859517e1d11717d012dc957b70ac7b261494449..4c3b5b87c1d1f42d467e853372a508514feec844 100644
|
|
|
+--- a/src/tests/gl_tests/BlitFramebufferANGLETest.cpp
|
|
|
++++ b/src/tests/gl_tests/BlitFramebufferANGLETest.cpp
|
|
|
+@@ -2524,6 +2524,30 @@ TEST_P(BlitFramebufferTest, BlitFramebufferSizeOverflow2)
|
|
|
+ EXPECT_GL_ERROR(GL_INVALID_VALUE);
|
|
|
+ }
|
|
|
+
|
|
|
++// Test an edge case in D3D11 stencil blitting on the CPU that does not properly clip the
|
|
|
++// destination regions
|
|
|
++TEST_P(BlitFramebufferTest, BlitFramebufferStencilClipNoIntersection)
|
|
|
++{
|
|
|
++ GLFramebuffer framebuffers[2];
|
|
|
++ glBindFramebuffer(GL_READ_FRAMEBUFFER, framebuffers[0]);
|
|
|
++ glBindFramebuffer(GL_DRAW_FRAMEBUFFER, framebuffers[1]);
|
|
|
++
|
|
|
++ GLRenderbuffer renderbuffers[2];
|
|
|
++ glBindRenderbuffer(GL_RENDERBUFFER, renderbuffers[0]);
|
|
|
++ glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, 4, 4);
|
|
|
++ glFramebufferRenderbuffer(GL_READ_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER,
|
|
|
++ renderbuffers[0]);
|
|
|
++
|
|
|
++ glBindRenderbuffer(GL_RENDERBUFFER, renderbuffers[1]);
|
|
|
++ glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, 4, 4);
|
|
|
++ glFramebufferRenderbuffer(GL_DRAW_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER,
|
|
|
++ renderbuffers[1]);
|
|
|
++
|
|
|
++ glBlitFramebuffer(0, 0, 4, 4, 1 << 24, 1 << 24, 1 << 25, 1 << 25, GL_STENCIL_BUFFER_BIT,
|
|
|
++ GL_NEAREST);
|
|
|
++ EXPECT_GL_NO_ERROR();
|
|
|
++}
|
|
|
++
|
|
|
+ // Use this to select which configurations (e.g. which renderer, which GLES major version) these
|
|
|
+ // tests should be run against.
|
|
|
+ ANGLE_INSTANTIATE_TEST(BlitFramebufferANGLETest,
|