commit 13a2f85b8d01c1685d1835bd7f7d734eb13ae60f
author Jamie Madill <jmadill@chromium.org> Wed Dec 11 16:35:08 2013 -0500
committer Jamie Madill <jmadill@chromium.org> Wed Dec 18 17:50:46 2013 +0000
tree bcfbdb2259e21bf59b17e5808899ee76f537a6f5
parent cd65ae1685a3ebcf60c92d5bb02ff5bc05482cbd

Implement max elements indices and vertices.

ES3 has integer queries for the maximum recommended number
of vertices and indices per draw call. These are roughly
correlated to D3D's resource limits -- however, while ES3
has recommended limits D3D has hard limits.

Change-Id: Ib653bc27e61607c78d0c5e70b0d97fea7af6464f
Reviewed-on: https://chromium-review.googlesource.com/179670
Reviewed-by: Shannon Woods <shannonwoods@chromium.org>
Reviewed-by: Nicolas Capens <nicolascapens@chromium.org>
Commit-Queue: Nicolas Capens <nicolascapens@chromium.org>
Tested-by: Nicolas Capens <nicolascapens@chromium.org>

src/libGLESv2/renderer/d3d11/Renderer11.cpp

diff --git a/src/libGLESv2/renderer/d3d11/Renderer11.cpp b/src/libGLESv2/renderer/d3d11/Renderer11.cpp
index 652d1bc..233aa63 100644
--- a/src/libGLESv2/renderer/d3d11/Renderer11.cpp
+++ b/src/libGLESv2/renderer/d3d11/Renderer11.cpp
@@ -2165,6 +2165,24 @@
     return false;
 }
 
+int Renderer11::getMaxRecommendedElementsIndices() const
+{
+    META_ASSERT(D3D11_REQ_DRAWINDEXED_INDEX_COUNT_2_TO_EXP == 32);
+    META_ASSERT(D3D10_REQ_DRAWINDEXED_INDEX_COUNT_2_TO_EXP == 32);
+
+    // D3D11 allows up to 2^32 elements, but we report max signed int for convenience.
+    return std::numeric_limits<GLint>::max();
+}
+
+int Renderer11::getMaxRecommendedElementsVertices() const
+{
+    META_ASSERT(D3D11_REQ_DRAW_VERTEX_COUNT_2_TO_EXP == 32);
+    META_ASSERT(D3D10_REQ_DRAW_VERTEX_COUNT_2_TO_EXP == 32);
+
+    // D3D11 allows up to 2^32 elements, but we report max signed int for convenience.
+    return std::numeric_limits<GLint>::max();
+}
+
 int Renderer11::getMajorShaderModel() const
 {
     switch (mFeatureLevel)