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authorGravatar bsalomon@google.com <bsalomon@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81>2013-02-21 16:34:21 +0000
committerGravatar bsalomon@google.com <bsalomon@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81>2013-02-21 16:34:21 +0000
commit96966a5a1ffc2f03eef1b5523308299aa4195f50 (patch)
tree31ff4279d562df89c5b8bf379b395299edc1ba05 /include/gpu
parenta1c511b8704c6c266b90860a4c68f30ca7514f9b (diff)
Use CPU arrays for dynamic indices/vertices on ARM GPUs.
Review URL: https://codereview.appspot.com/7365047 git-svn-id: http://skia.googlecode.com/svn/trunk@7810 2bbb7eff-a529-9590-31e7-b0007b416f81
Diffstat (limited to 'include/gpu')
-rw-r--r--include/gpu/gl/GrGLConfig.h8
-rw-r--r--include/gpu/gl/GrGLConfig_chrome.h3
2 files changed, 11 insertions, 0 deletions
diff --git a/include/gpu/gl/GrGLConfig.h b/include/gpu/gl/GrGLConfig.h
index 20d9031264..ea2403728b 100644
--- a/include/gpu/gl/GrGLConfig.h
+++ b/include/gpu/gl/GrGLConfig.h
@@ -96,6 +96,10 @@
* GR_GL_USE_NV_PATH_RENDERING: Enable experimental support for
* GL_NV_path_rendering. There are known issues with clipping, non-AA paths, and
* perspective.
+ *
+ * GR_GL_MUST_USE_VBO: Indicates that all vertices and indices must be rendered
+ * from VBOs. Chromium's command buffer doesn't allow glVertexAttribArray with
+ * ARARY_BUFFER 0 bound or glDrawElements with ELEMENT_ARRAY_BUFFER 0 bound.
*/
#if !defined(GR_GL_LOG_CALLS)
@@ -146,6 +150,10 @@
#define GR_GL_USE_NV_PATH_RENDERING 0
#endif
+#if !defined(GR_GL_MUST_USE_VBO)
+ #define GR_GL_MUST_USE_VBO 0
+#endif
+
/**
* There is a strange bug that occurs on Macs with NVIDIA GPUs. We don't
* fully understand it. When (element) array buffers are continually
diff --git a/include/gpu/gl/GrGLConfig_chrome.h b/include/gpu/gl/GrGLConfig_chrome.h
index 50ea34c6d3..3a74abadb0 100644
--- a/include/gpu/gl/GrGLConfig_chrome.h
+++ b/include/gpu/gl/GrGLConfig_chrome.h
@@ -34,4 +34,7 @@
// CheckFramebufferStatus in chrome synchronizes the gpu and renderer processes.
#define GR_GL_CHECK_FBO_STATUS_ONCE_PER_FORMAT 1
+// Non-VBO vertices and indices are not allowed in Chromium.
+#define GR_GL_MUST_USE_VBO 1
+
#endif