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-rw-r--r--include/private/opengles/gl_context.h7
-rw-r--r--opengl/libagl/Android.mk2
-rw-r--r--opengl/libagl/state.cpp8
-rw-r--r--opengl/libagl/texture.cpp36
4 files changed, 46 insertions, 7 deletions
diff --git a/include/private/opengles/gl_context.h b/include/private/opengles/gl_context.h
index 26cde38..e0deba9 100644
--- a/include/private/opengles/gl_context.h
+++ b/include/private/opengles/gl_context.h
@@ -36,7 +36,12 @@ struct android_native_buffer_t;
namespace android {
-const unsigned int OGLES_NUM_COMPRESSED_TEXTURE_FORMATS = 10;
+
+const unsigned int OGLES_NUM_COMPRESSED_TEXTURE_FORMATS = 10
+#ifdef GL_OES_compressed_ETC1_RGB8_texture
+ + 1
+#endif
+ ;
class EGLTextureObject;
class EGLSurfaceManager;
diff --git a/opengl/libagl/Android.mk b/opengl/libagl/Android.mk
index c2e9f31..6cb146c 100644
--- a/opengl/libagl/Android.mk
+++ b/opengl/libagl/Android.mk
@@ -29,7 +29,7 @@ LOCAL_CFLAGS += -DLOG_TAG=\"libagl\"
LOCAL_CFLAGS += -DGL_GLEXT_PROTOTYPES -DEGL_EGLEXT_PROTOTYPES
LOCAL_CFLAGS += -fvisibility=hidden
-LOCAL_SHARED_LIBRARIES := libcutils libhardware libutils libpixelflinger
+LOCAL_SHARED_LIBRARIES := libcutils libhardware libutils libpixelflinger libETC1
LOCAL_LDLIBS := -lpthread -ldl
ifeq ($(TARGET_ARCH),arm)
diff --git a/opengl/libagl/state.cpp b/opengl/libagl/state.cpp
index 0f1f27d..1224a96 100644
--- a/opengl/libagl/state.cpp
+++ b/opengl/libagl/state.cpp
@@ -51,6 +51,9 @@ static char const * const gExtensionsString =
// "GL_OES_point_size_array " // TODO
// "GL_OES_point_sprite " // TODO
"GL_OES_EGL_image " // OK
+#ifdef GL_OES_compressed_ETC1_RGB8_texture
+ "GL_OES_compressed_ETC1_RGB8_texture " // OK
+#endif
"GL_ARB_texture_compression " // OK
"GL_ARB_texture_non_power_of_two " // OK
"GL_ANDROID_user_clip_plane " // OK
@@ -386,6 +389,7 @@ const GLubyte* glGetString(GLenum string)
void glGetIntegerv(GLenum pname, GLint *params)
{
+ int i;
ogles_context_t* c = ogles_context_t::get();
switch (pname) {
case GL_ALIASED_POINT_SIZE_RANGE:
@@ -431,6 +435,10 @@ void glGetIntegerv(GLenum pname, GLint *params)
params[ 7] = GL_PALETTE8_R5_G6_B5_OES;
params[ 8] = GL_PALETTE8_RGBA4_OES;
params[ 9] = GL_PALETTE8_RGB5_A1_OES;
+ i = 10;
+#ifdef GL_OES_compressed_ETC1_RGB8_texture
+ params[i++] = GL_ETC1_RGB8_OES;
+#endif
break;
case GL_DEPTH_BITS:
params[0] = c->rasterizer.state.buffers.depth.format ? 0 : 16;
diff --git a/opengl/libagl/texture.cpp b/opengl/libagl/texture.cpp
index fae89b9..73b1db4 100644
--- a/opengl/libagl/texture.cpp
+++ b/opengl/libagl/texture.cpp
@@ -24,6 +24,7 @@
#include "TextureObjectManager.h"
#include <private/ui/android_natives_priv.h>
+#include <ETC1/etc1.h>
#ifdef LIBAGL_USE_GRALLOC_COPYBITS
#include "copybit.h"
@@ -1081,11 +1082,6 @@ void glCompressedTexImage2D(
ogles_error(c, GL_INVALID_ENUM);
return;
}
- if ((internalformat < GL_PALETTE4_RGB8_OES ||
- internalformat > GL_PALETTE8_RGB5_A1_OES)) {
- ogles_error(c, GL_INVALID_ENUM);
- return;
- }
if (width<0 || height<0 || border!=0) {
ogles_error(c, GL_INVALID_VALUE);
return;
@@ -1121,6 +1117,12 @@ void glCompressedTexImage2D(
format = GL_RGBA;
type = GL_UNSIGNED_SHORT_5_5_5_1;
break;
+#ifdef GL_OES_compressed_ETC1_RGB8_texture
+ case GL_ETC1_RGB8_OES:
+ format = GL_RGB;
+ type = GL_UNSIGNED_BYTE;
+ break;
+#endif
default:
ogles_error(c, GL_INVALID_ENUM);
return;
@@ -1133,6 +1135,30 @@ void glCompressedTexImage2D(
int32_t size;
GGLSurface* surface;
+
+#ifdef GL_OES_compressed_ETC1_RGB8_texture
+ if (internalformat == GL_ETC1_RGB8_OES) {
+ GLsizei compressedSize = etc1_get_encoded_data_size(width, height);
+ if (compressedSize > imageSize) {
+ ogles_error(c, GL_INVALID_VALUE);
+ return;
+ }
+ int error = createTextureSurface(c, &surface, &size,
+ level, format, type, width, height);
+ if (error) {
+ ogles_error(c, error);
+ return;
+ }
+ if (etc1_decode_image(
+ (const etc1_byte*)data,
+ (etc1_byte*)surface->data,
+ width, height, 3, surface->stride) != 0) {
+ ogles_error(c, GL_INVALID_OPERATION);
+ }
+ return;
+ }
+#endif
+
// all mipmap levels are specified at once.
const int numLevels = level<0 ? -level : 1;