2
首先,我是OpenGL的新手,但在我的手機(摩托羅拉Bionic)中,以下代碼按預期工作。Android OpenGL ES2.0紋理交換
GLES20.glActiveTexture(GLES20.GL_TEXTURE1);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mTowerTextureHandle);
GLES20.glActiveTexture(GLES20.GL_TEXTURE2);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mTowerNormalHandle);
GLES20.glActiveTexture(GLES20.GL_TEXTURE3);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mFrostTextureHandle);
GLES20.glActiveTexture(GLES20.GL_TEXTURE4);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mFrostNormalHandle);
GLES20.glActiveTexture(GLES20.GL_TEXTURE5);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mFireTextureHandle);
GLES20.glActiveTexture(GLES20.GL_TEXTURE6);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mFireNormalHandle);
...
for (int i =0; i < mGame.towers.length; i++)
{
switch (mGame.towers[i].type)
{
case Dart:
GLES20.glUniform1i(mTextureUniformHandle, 1);
GLES20.glUniform1i(mTextureNormalUniformHandle, 2);
break;
case Frost:
GLES20.glUniform1i(mTextureUniformHandle, 3);
GLES20.glUniform1i(mTextureNormalUniformHandle, 4);
break;
case Fire:
GLES20.glUniform1i(mTextureUniformHandle, 5);
GLES20.glUniform1i(mTextureNormalUniformHandle, 6);
break;
}
...
GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, 6);
}
它會顯示正確的紋理和正常的每個塔。在舊手機上(我的朋友不可思議),它只顯示所有繪製最後類型紋理的塔。我可以將正確的紋理交換到每個塔的紋理1,但是速度並沒有那麼慢,並且看起來很低調?
有沒有人有任何信息說明爲什麼它不能在某些手機上工作,以及爲了使其兼容所有兼容OpenGLES20的手機,我需要做些什麼?