From c2908e60c9b021fb4bb69acff8d49981dd4dade8 Mon Sep 17 00:00:00 2001
From: Jason Sams <rjsams@android.com>
Date: Tue, 23 Feb 2010 17:44:28 -0800
Subject: Support defered generation of mipmaps. With this change we support
mipmap generation when the texture is uploaded to GL without requiring RS to
retain the full chain.
---
graphics/java/android/renderscript/Allocation.java | 7 ++++++-
graphics/java/android/renderscript/RenderScript.java | 2 +-
graphics/jni/android_renderscript_RenderScript.cpp | 8 ++++----
libs/rs/rs.spec | 1 +
libs/rs/rsAllocation.cpp | 12 +++++++++---
libs/rs/rsAllocation.h | 3 ++-
libs/rs/rsScriptC_Lib.cpp | 2 +-
7 files changed, 24 insertions(+), 11 deletions(-)
diff --git a/graphics/java/android/renderscript/Allocation.java b/graphics/java/android/renderscript/Allocation.java
index e5cf38e..8185404 100644
--- a/graphics/java/android/renderscript/Allocation.java
+++ b/graphics/java/android/renderscript/Allocation.java
@@ -45,7 +45,12 @@ public class Allocation extends BaseObj {
public void uploadToTexture(int baseMipLevel) {
mRS.validate();
- mRS.nAllocationUploadToTexture(mID, baseMipLevel);
+ mRS.nAllocationUploadToTexture(mID, false, baseMipLevel);
+ }
+
+ public void uploadToTexture(boolean genMips, int baseMipLevel) {
+ mRS.validate();
+ mRS.nAllocationUploadToTexture(mID, genMips, baseMipLevel);
}
public void uploadToBufferObject() {
diff --git a/graphics/java/android/renderscript/RenderScript.java b/graphics/java/android/renderscript/RenderScript.java
index 84b1a70..70c97ea 100644
--- a/graphics/java/android/renderscript/RenderScript.java
+++ b/graphics/java/android/renderscript/RenderScript.java
@@ -101,7 +101,7 @@ public class RenderScript {
native int nAllocationCreateFromBitmapBoxed(int dstFmt, boolean genMips, Bitmap bmp);
native int nAllocationCreateFromAssetStream(int dstFmt, boolean genMips, int assetStream);
- native void nAllocationUploadToTexture(int alloc, int baseMioLevel);
+ native void nAllocationUploadToTexture(int alloc, boolean genMips, int baseMioLevel);
native void nAllocationUploadToBufferObject(int alloc);
native void nAllocationSubData1D(int id, int off, int count, int[] d, int sizeBytes);
diff --git a/graphics/jni/android_renderscript_RenderScript.cpp b/graphics/jni/android_renderscript_RenderScript.cpp
index 0ffdf71..cb5a00e 100644
--- a/graphics/jni/android_renderscript_RenderScript.cpp
+++ b/graphics/jni/android_renderscript_RenderScript.cpp
@@ -444,11 +444,11 @@ nAllocationCreateTyped(JNIEnv *_env, jobject _this, jint e)
}
static void
-nAllocationUploadToTexture(JNIEnv *_env, jobject _this, jint a, jint mip)
+nAllocationUploadToTexture(JNIEnv *_env, jobject _this, jint a, jboolean genMip, jint mip)
{
RsContext con = (RsContext)(_env->GetIntField(_this, gContextId));
- LOG_API("nAllocationUploadToTexture, con(%p), a(%p), mip(%i)", con, (RsAllocation)a, mip);
- rsAllocationUploadToTexture(con, (RsAllocation)a, mip);
+ LOG_API("nAllocationUploadToTexture, con(%p), a(%p), genMip(%i), mip(%i)", con, (RsAllocation)a, genMip, mip);
+ rsAllocationUploadToTexture(con, (RsAllocation)a, genMip, mip);
}
static void
@@ -1369,7 +1369,7 @@ static JNINativeMethod methods[] = {
{"nAllocationCreateFromBitmap", "(IZLandroid/graphics/Bitmap;)I", (void*)nAllocationCreateFromBitmap },
{"nAllocationCreateFromBitmapBoxed","(IZLandroid/graphics/Bitmap;)I", (void*)nAllocationCreateFromBitmapBoxed },
{"nAllocationCreateFromAssetStream","(IZI)I", (void*)nAllocationCreateFromAssetStream },
-{"nAllocationUploadToTexture", "(II)V", (void*)nAllocationUploadToTexture },
+{"nAllocationUploadToTexture", "(IZI)V", (void*)nAllocationUploadToTexture },
{"nAllocationUploadToBufferObject","(I)V", (void*)nAllocationUploadToBufferObject },
{"nAllocationSubData1D", "(III[II)V", (void*)nAllocationSubData1D_i },
{"nAllocationSubData1D", "(III[SI)V", (void*)nAllocationSubData1D_s },
diff --git a/libs/rs/rs.spec b/libs/rs/rs.spec
index 10e5285..89d9d5e 100644
--- a/libs/rs/rs.spec
+++ b/libs/rs/rs.spec
@@ -113,6 +113,7 @@ AllocationCreateFromBitmapBoxed {
AllocationUploadToTexture {
param RsAllocation alloc
+ param bool genMipMaps
param uint32_t baseMipLevel
}
diff --git a/libs/rs/rsAllocation.cpp b/libs/rs/rsAllocation.cpp
index 1ae2317..f1798de 100644
--- a/libs/rs/rsAllocation.cpp
+++ b/libs/rs/rsAllocation.cpp
@@ -17,6 +17,7 @@
#include "rsContext.h"
#include <GLES/gl.h>
+#include <GLES2/gl2.h>
#include <GLES/glext.h>
using namespace android;
@@ -88,12 +89,13 @@ bool Allocation::fixAllocation()
return false;
}
-void Allocation::deferedUploadToTexture(const Context *rsc, uint32_t lodOffset)
+void Allocation::deferedUploadToTexture(const Context *rsc, bool genMipmap, uint32_t lodOffset)
{
rsAssert(lodOffset < mType->getLODCount());
mIsTexture = true;
mTextureLOD = lodOffset;
mUploadDefered = true;
+ mTextureGenMipmap = !mType->getDimLOD() && genMipmap;
}
void Allocation::uploadToTexture(const Context *rsc)
@@ -138,6 +140,10 @@ void Allocation::uploadToTexture(const Context *rsc)
adapt.getDimX(), adapt.getDimY(),
0, format, type, ptr);
}
+ if (mTextureGenMipmap) {
+ glGenerateMipmap(GL_TEXTURE_2D);
+ }
+
}
void Allocation::deferedUploadToBufferObject(const Context *rsc)
@@ -316,10 +322,10 @@ RsAllocation rsi_AllocationCreateSized(Context *rsc, RsElement e, size_t count)
return rsi_AllocationCreateTyped(rsc, type);
}
-void rsi_AllocationUploadToTexture(Context *rsc, RsAllocation va, uint32_t baseMipLevel)
+void rsi_AllocationUploadToTexture(Context *rsc, RsAllocation va, bool genmip, uint32_t baseMipLevel)
{
Allocation *alloc = static_cast<Allocation *>(va);
- alloc->deferedUploadToTexture(rsc, baseMipLevel);
+ alloc->deferedUploadToTexture(rsc, genmip, baseMipLevel);
}
void rsi_AllocationUploadToBufferObject(Context *rsc, RsAllocation va)
diff --git a/libs/rs/rsAllocation.h b/libs/rs/rsAllocation.h
index f0b2122..778c904 100644
--- a/libs/rs/rsAllocation.h
+++ b/libs/rs/rsAllocation.h
@@ -46,7 +46,7 @@ public:
void * getPtr() const {return mPtr;}
const Type * getType() const {return mType.get();}
- void deferedUploadToTexture(const Context *rsc, uint32_t lodOffset);
+ void deferedUploadToTexture(const Context *rsc, bool genMipmap, uint32_t lodOffset);
void uploadToTexture(const Context *rsc);
uint32_t getTextureID() const {return mTextureID;}
@@ -98,6 +98,7 @@ protected:
// Is this a legal structure to be used as a texture source.
// Initially this will require 1D or 2D and color data
bool mIsTexture;
+ bool mTextureGenMipmap;
uint32_t mTextureLOD;
uint32_t mTextureID;
diff --git a/libs/rs/rsScriptC_Lib.cpp b/libs/rs/rsScriptC_Lib.cpp
index 6b8ed0d..235c153 100644
--- a/libs/rs/rsScriptC_Lib.cpp
+++ b/libs/rs/rsScriptC_Lib.cpp
@@ -975,7 +975,7 @@ static void SC_hsb(float h, float s, float b, float a)
static void SC_uploadToTexture(RsAllocation va, uint32_t baseMipLevel)
{
GET_TLS();
- rsi_AllocationUploadToTexture(rsc, va, baseMipLevel);
+ rsi_AllocationUploadToTexture(rsc, va, false, baseMipLevel);
}
static void SC_uploadToBufferObject(RsAllocation va)
--
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