Track texture memory globally
Also mostly consolidates texture creation
Change-Id: Ifea01303afda531dcec99b8fe2a0f64cf2f24420
diff --git a/libs/hwui/Texture.cpp b/libs/hwui/Texture.cpp
index 5195b45..8a6b28d 100644
--- a/libs/hwui/Texture.cpp
+++ b/libs/hwui/Texture.cpp
@@ -14,14 +14,29 @@
* limitations under the License.
*/
-#include <utils/Log.h>
-
#include "Caches.h"
#include "Texture.h"
+#include "utils/TraceUtils.h"
+
+#include <utils/Log.h>
+
+#include <SkCanvas.h>
namespace android {
namespace uirenderer {
+static int bytesPerPixel(GLint glFormat) {
+ switch (glFormat) {
+ case GL_ALPHA:
+ return 1;
+ case GL_RGB:
+ return 3;
+ case GL_RGBA:
+ default:
+ return 4;
+ }
+}
+
void Texture::setWrapST(GLenum wrapS, GLenum wrapT, bool bindTexture, bool force,
GLenum renderTarget) {
@@ -32,7 +47,7 @@
mWrapT = wrapT;
if (bindTexture) {
- mCaches.textureState().bindTexture(renderTarget, id);
+ mCaches.textureState().bindTexture(renderTarget, mId);
}
glTexParameteri(renderTarget, GL_TEXTURE_WRAP_S, wrapS);
@@ -50,7 +65,7 @@
mMagFilter = mag;
if (bindTexture) {
- mCaches.textureState().bindTexture(renderTarget, id);
+ mCaches.textureState().bindTexture(renderTarget, mId);
}
if (mipMap && min == GL_LINEAR) min = GL_LINEAR_MIPMAP_LINEAR;
@@ -60,8 +75,189 @@
}
}
-void Texture::deleteTexture() const {
- mCaches.textureState().deleteTexture(id);
+void Texture::deleteTexture() {
+ mCaches.textureState().deleteTexture(mId);
+ mId = 0;
+}
+
+bool Texture::updateSize(uint32_t width, uint32_t height, GLint format) {
+ if (mWidth == width && mHeight == height && mFormat == format) {
+ return false;
+ }
+ mWidth = width;
+ mHeight = height;
+ mFormat = format;
+ notifySizeChanged(mWidth * mHeight * bytesPerPixel(mFormat));
+ return true;
+}
+
+void Texture::upload(GLint internalformat, uint32_t width, uint32_t height,
+ GLenum format, GLenum type, const void* pixels) {
+ bool needsAlloc = updateSize(width, height, internalformat);
+ if (!needsAlloc && !pixels) {
+ return;
+ }
+ mCaches.textureState().activateTexture(0);
+ if (!mId) {
+ glGenTextures(1, &mId);
+ needsAlloc = true;
+ }
+ mCaches.textureState().bindTexture(GL_TEXTURE_2D, mId);
+ if (needsAlloc) {
+ glTexImage2D(GL_TEXTURE_2D, 0, mFormat, mWidth, mHeight, 0,
+ format, type, pixels);
+ } else {
+ glTexSubImage2D(GL_TEXTURE_2D, 0, mFormat, mWidth, mHeight, 0,
+ format, type, pixels);
+ }
+}
+
+static void uploadToTexture(bool resize, GLenum format, GLenum type, GLsizei stride, GLsizei bpp,
+ GLsizei width, GLsizei height, const GLvoid * data) {
+
+ glPixelStorei(GL_UNPACK_ALIGNMENT, bpp);
+ const bool useStride = stride != width
+ && Caches::getInstance().extensions().hasUnpackRowLength();
+ if ((stride == width) || useStride) {
+ if (useStride) {
+ glPixelStorei(GL_UNPACK_ROW_LENGTH, stride);
+ }
+
+ if (resize) {
+ glTexImage2D(GL_TEXTURE_2D, 0, format, width, height, 0, format, type, data);
+ } else {
+ glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, format, type, data);
+ }
+
+ if (useStride) {
+ glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
+ }
+ } else {
+ // With OpenGL ES 2.0 we need to copy the bitmap in a temporary buffer
+ // if the stride doesn't match the width
+
+ GLvoid * temp = (GLvoid *) malloc(width * height * bpp);
+ if (!temp) return;
+
+ uint8_t * pDst = (uint8_t *)temp;
+ uint8_t * pSrc = (uint8_t *)data;
+ for (GLsizei i = 0; i < height; i++) {
+ memcpy(pDst, pSrc, width * bpp);
+ pDst += width * bpp;
+ pSrc += stride * bpp;
+ }
+
+ if (resize) {
+ glTexImage2D(GL_TEXTURE_2D, 0, format, width, height, 0, format, type, temp);
+ } else {
+ glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, format, type, temp);
+ }
+
+ free(temp);
+ }
+}
+
+static void uploadSkBitmapToTexture(const SkBitmap& bitmap,
+ bool resize, GLenum format, GLenum type) {
+ uploadToTexture(resize, format, type, bitmap.rowBytesAsPixels(), bitmap.bytesPerPixel(),
+ bitmap.width(), bitmap.height(), bitmap.getPixels());
+}
+
+static void colorTypeToGlFormatAndType(SkColorType colorType,
+ GLint* outFormat, GLint* outType) {
+ switch (colorType) {
+ case kAlpha_8_SkColorType:
+ *outFormat = GL_ALPHA;
+ *outType = GL_UNSIGNED_BYTE;
+ break;
+ case kRGB_565_SkColorType:
+ *outFormat = GL_RGB;
+ *outType = GL_UNSIGNED_SHORT_5_6_5;
+ break;
+ // ARGB_4444 and Index_8 are both upconverted to RGBA_8888
+ case kARGB_4444_SkColorType:
+ case kIndex_8_SkColorType:
+ case kN32_SkColorType:
+ *outFormat = GL_RGBA;
+ *outType = GL_UNSIGNED_BYTE;
+ break;
+ default:
+ LOG_ALWAYS_FATAL("Unsupported bitmap colorType: %d", colorType);
+ break;
+ }
+}
+
+void Texture::upload(const SkBitmap& bitmap) {
+ SkAutoLockPixels alp(bitmap);
+
+ if (!bitmap.readyToDraw()) {
+ ALOGE("Cannot generate texture from bitmap");
+ return;
+ }
+
+ ATRACE_FORMAT("Upload %ux%u Texture", bitmap.width(), bitmap.height());
+
+ // We could also enable mipmapping if both bitmap dimensions are powers
+ // of 2 but we'd have to deal with size changes. Let's keep this simple
+ const bool canMipMap = mCaches.extensions().hasNPot();
+
+ // If the texture had mipmap enabled but not anymore,
+ // force a glTexImage2D to discard the mipmap levels
+ bool needsAlloc = canMipMap && mipMap && !bitmap.hasHardwareMipMap();
+
+ if (!mId) {
+ glGenTextures(1, &mId);
+ needsAlloc = true;
+ }
+
+ GLint format, type;
+ colorTypeToGlFormatAndType(bitmap.colorType(), &format, &type);
+
+ if (updateSize(bitmap.width(), bitmap.height(), format)) {
+ needsAlloc = true;
+ }
+
+ blend = !bitmap.isOpaque();
+ mCaches.textureState().bindTexture(mId);
+
+ if (CC_UNLIKELY(bitmap.colorType() == kARGB_4444_SkColorType
+ || bitmap.colorType() == kIndex_8_SkColorType)) {
+ SkBitmap rgbaBitmap;
+ rgbaBitmap.allocPixels(SkImageInfo::MakeN32(mWidth, mHeight,
+ bitmap.alphaType()));
+ rgbaBitmap.eraseColor(0);
+
+ SkCanvas canvas(rgbaBitmap);
+ canvas.drawBitmap(bitmap, 0.0f, 0.0f, nullptr);
+
+ uploadSkBitmapToTexture(rgbaBitmap, needsAlloc, format, type);
+ } else {
+ uploadSkBitmapToTexture(bitmap, needsAlloc, format, type);
+ }
+
+ if (canMipMap) {
+ mipMap = bitmap.hasHardwareMipMap();
+ if (mipMap) {
+ glGenerateMipmap(GL_TEXTURE_2D);
+ }
+ }
+
+ if (mFirstFilter) {
+ setFilter(GL_NEAREST);
+ }
+
+ if (mFirstWrap) {
+ setWrap(GL_CLAMP_TO_EDGE);
+ }
+}
+
+void Texture::wrap(GLuint id, uint32_t width, uint32_t height, GLint format) {
+ mId = id;
+ mWidth = width;
+ mHeight = height;
+ mFormat = format;
+ // We're wrapping an existing texture, so don't double count this memory
+ notifySizeChanged(0);
}
}; // namespace uirenderer