commit 11b038beef4d8473d07edfb60f837667fa43ef12
author He Yunchao <yunchao.he@intel.com> Tue Nov 22 21:24:04 2016 +0800
committer Commit Bot <commit-bot@chromium.org> Fri Jan 13 17:25:47 2017 +0000
tree 1c0fe020017af7ef0e16733461469febabcb1554
parent 7cc14ee868cf7cd2c4e56a6b1499648a4eb835a9

ES31: Implement glGetTexLevelParameter{i|f}v entry point

BUG=angleproject:1679
TEST=dEQP-GLES31.functional.state_query.texture_level.*

Change-Id: I36cc7406199fc0c3c1585ad48f010d7dba5fe9e4
Reviewed-on: https://chromium-review.googlesource.com/414250
Commit-Queue: Yunchao He <yunchao.he@intel.com>
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>

src/libANGLE/queryutils.cpp

diff --git a/src/libANGLE/queryutils.cpp b/src/libANGLE/queryutils.cpp
index 5f26549..bbdbc52 100644
--- a/src/libANGLE/queryutils.cpp
+++ b/src/libANGLE/queryutils.cpp
@@ -26,6 +26,86 @@
 namespace
 {
 template <typename ParamType>
+void QueryTexLevelParameterBase(const Texture *texture,
+                                GLenum target,
+                                GLint level,
+                                GLenum pname,
+                                ParamType *params)
+{
+    ASSERT(texture != nullptr);
+    const InternalFormat *info = texture->getTextureState().getImageDesc(target, level).format.info;
+
+    switch (pname)
+    {
+        case GL_TEXTURE_RED_TYPE:
+            *params = ConvertFromGLenum<ParamType>(info->redBits ? info->componentType : GL_NONE);
+            break;
+        case GL_TEXTURE_GREEN_TYPE:
+            *params = ConvertFromGLenum<ParamType>(info->greenBits ? info->componentType : GL_NONE);
+            break;
+        case GL_TEXTURE_BLUE_TYPE:
+            *params = ConvertFromGLenum<ParamType>(info->blueBits ? info->componentType : GL_NONE);
+            break;
+        case GL_TEXTURE_ALPHA_TYPE:
+            *params = ConvertFromGLenum<ParamType>(info->alphaBits ? info->componentType : GL_NONE);
+            break;
+        case GL_TEXTURE_DEPTH_TYPE:
+            *params = ConvertFromGLenum<ParamType>(info->depthBits ? info->componentType : GL_NONE);
+            break;
+        case GL_TEXTURE_RED_SIZE:
+            *params = ConvertFromGLuint<ParamType>(info->redBits);
+            break;
+        case GL_TEXTURE_GREEN_SIZE:
+            *params = ConvertFromGLuint<ParamType>(info->greenBits);
+            break;
+        case GL_TEXTURE_BLUE_SIZE:
+            *params = ConvertFromGLuint<ParamType>(info->blueBits);
+            break;
+        case GL_TEXTURE_ALPHA_SIZE:
+            *params = ConvertFromGLuint<ParamType>(info->alphaBits);
+            break;
+        case GL_TEXTURE_DEPTH_SIZE:
+            *params = ConvertFromGLuint<ParamType>(info->depthBits);
+            break;
+        case GL_TEXTURE_STENCIL_SIZE:
+            *params = ConvertFromGLuint<ParamType>(info->stencilBits);
+            break;
+        case GL_TEXTURE_SHARED_SIZE:
+            *params = ConvertFromGLuint<ParamType>(info->sharedBits);
+            break;
+        case GL_TEXTURE_INTERNAL_FORMAT:
+            *params =
+                ConvertFromGLenum<ParamType>(info->internalFormat ? info->internalFormat : GL_RGBA);
+            break;
+        case GL_TEXTURE_WIDTH:
+            *params =
+                ConvertFromGLint<ParamType>(static_cast<GLint>(texture->getWidth(target, level)));
+            break;
+        case GL_TEXTURE_HEIGHT:
+            *params =
+                ConvertFromGLint<ParamType>(static_cast<GLint>(texture->getHeight(target, level)));
+            break;
+        case GL_TEXTURE_DEPTH:
+            *params =
+                ConvertFromGLint<ParamType>(static_cast<GLint>(texture->getDepth(target, level)));
+            break;
+        case GL_TEXTURE_SAMPLES:
+            *params = ConvertFromGLint<ParamType>(texture->getSamples(target, level));
+            break;
+        case GL_TEXTURE_FIXED_SAMPLE_LOCATIONS:
+            *params =
+                ConvertFromGLboolean<ParamType>(texture->getFixedSampleLocations(target, level));
+            break;
+        case GL_TEXTURE_COMPRESSED:
+            *params = ConvertFromGLboolean<ParamType>(info->compressed);
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+template <typename ParamType>
 void QueryTexParameterBase(const Texture *texture, GLenum pname, ParamType *params)
 {
     ASSERT(texture != nullptr);
@@ -599,6 +679,24 @@
     }
 }
 
+void QueryTexLevelParameterfv(const Texture *texture,
+                              GLenum target,
+                              GLint level,
+                              GLenum pname,
+                              GLfloat *params)
+{
+    QueryTexLevelParameterBase(texture, target, level, pname, params);
+}
+
+void QueryTexLevelParameteriv(const Texture *texture,
+                              GLenum target,
+                              GLint level,
+                              GLenum pname,
+                              GLint *params)
+{
+    QueryTexLevelParameterBase(texture, target, level, pname, params);
+}
+
 void QueryTexParameterfv(const Texture *texture, GLenum pname, GLfloat *params)
 {
     QueryTexParameterBase(texture, pname, params);