Add support for instanced draws
Adds an instance buffer to GrMesh and instance attribs to
GrPrimitiveProcessor. Implements support in GL and Vulkan. Adds unit
tests for instanced rendering with GrMesh.
Bug: skia:
Change-Id: If1a9920feb9366f346b8c37cf914713c49129b3a
Reviewed-on: https://skia-review.googlesource.com/16200
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
diff --git a/src/gpu/vk/GrVkCaps.cpp b/src/gpu/vk/GrVkCaps.cpp
index 16b4609..e8a3978 100644
--- a/src/gpu/vk/GrVkCaps.cpp
+++ b/src/gpu/vk/GrVkCaps.cpp
@@ -32,6 +32,7 @@
fReuseScratchTextures = true; //TODO: figure this out
fGpuTracingSupport = false; //TODO: figure this out
fOversizedStencilSupport = false; //TODO: figure this out
+ fInstanceAttribSupport = true;
fUseDrawInsteadOfClear = false;
fFenceSyncSupport = true; // always available in Vulkan
@@ -247,6 +248,7 @@
}
shaderCaps->fIntegerSupport = true;
+ shaderCaps->fVertexIDSupport = true;
// Assume the minimum precisions mandated by the SPIR-V spec.
shaderCaps->fShaderPrecisionVaries = true;