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am 386caf6c: Merge "update parameters in uploadToTexture() for GLES20"

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* commit '386caf6c8f276f1d03ea077bc799df2a937ef500':
  update parameters in uploadToTexture() for GLES20
This commit is contained in:
Tenghui Zhu
2014-06-16 17:13:53 +00:00
committed by Android Git Automerger
parent 080671c538 386caf6c8f
commit df36dd200c
2 changed files with 40 additions and 18 deletions
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56
libs/hwui/TextureCache.cpp
View File

@@ -242,19 +242,19 @@ void TextureCache::generateTexture(SkBitmap* bitmap, Texture* texture, bool rege
switch (bitmap->getConfig()) {
case SkBitmap::kA8_Config:
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
uploadToTexture(resize, GL_ALPHA, bitmap->rowBytesAsPixels(),
uploadToTexture(resize, GL_ALPHA, bitmap->rowBytesAsPixels(), bitmap->bytesPerPixel(),
texture->width, texture->height, GL_UNSIGNED_BYTE, bitmap->getPixels());
texture->blend = true;
break;
case SkBitmap::kRGB_565_Config:
glPixelStorei(GL_UNPACK_ALIGNMENT, bitmap->bytesPerPixel());
uploadToTexture(resize, GL_RGB, bitmap->rowBytesAsPixels(),
uploadToTexture(resize, GL_RGB, bitmap->rowBytesAsPixels(), bitmap->bytesPerPixel(),
texture->width, texture->height, GL_UNSIGNED_SHORT_5_6_5, bitmap->getPixels());
texture->blend = false;
break;
case SkBitmap::kARGB_8888_Config:
glPixelStorei(GL_UNPACK_ALIGNMENT, bitmap->bytesPerPixel());
uploadToTexture(resize, GL_RGBA, bitmap->rowBytesAsPixels(),
uploadToTexture(resize, GL_RGBA, bitmap->rowBytesAsPixels(), bitmap->bytesPerPixel(),
texture->width, texture->height, GL_UNSIGNED_BYTE, bitmap->getPixels());
// Do this after calling getPixels() to make sure Skia's deferred
// decoding happened
@@ -294,27 +294,49 @@ void TextureCache::uploadLoFiTexture(bool resize, SkBitmap* bitmap,
SkCanvas canvas(rgbaBitmap);
canvas.drawBitmap(*bitmap, 0.0f, 0.0f, NULL);
uploadToTexture(resize, GL_RGBA, rgbaBitmap.rowBytesAsPixels(), width, height,
GL_UNSIGNED_BYTE, rgbaBitmap.getPixels());
uploadToTexture(resize, GL_RGBA, rgbaBitmap.rowBytesAsPixels(), rgbaBitmap.bytesPerPixel(),
width, height, GL_UNSIGNED_BYTE, rgbaBitmap.getPixels());
}
void TextureCache::uploadToTexture(bool resize, GLenum format, GLsizei stride,
void TextureCache::uploadToTexture(bool resize, GLenum format, GLsizei stride, GLsizei bpp,
GLsizei width, GLsizei height, GLenum type, const GLvoid * data) {
// TODO: With OpenGL ES 2.0 we need to copy the bitmap in a temporary buffer
// if the stride doesn't match the width
const bool useStride = stride != width && Extensions::getInstance().hasUnpackRowLength();
if (useStride) {
glPixelStorei(GL_UNPACK_ROW_LENGTH, stride);
}
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);
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 {
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, format, type, data);
}
// With OpenGL ES 2.0 we need to copy the bitmap in a temporary buffer
// if the stride doesn't match the width
if (useStride) {
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
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);
}
}

2
libs/hwui/TextureCache.h
View File

@@ -125,7 +125,7 @@ private:
void generateTexture(SkBitmap* bitmap, Texture* texture, bool regenerate = false);
void uploadLoFiTexture(bool resize, SkBitmap* bitmap, uint32_t width, uint32_t height);
void uploadToTexture(bool resize, GLenum format, GLsizei stride,
void uploadToTexture(bool resize, GLenum format, GLsizei stride, GLsizei bpp,
GLsizei width, GLsizei height, GLenum type, const GLvoid * data);
void init();