Initial commit of libAgl2 using Pixelflinger2 in external/mesa3d
Somewhat functional, refer to README for details.
Need to enable Android.mk to build.
It builds libGLES_android.so, which needs to replace
the one in system/lib/egl built by libagl.
Change-Id: Iec3aaa8f3963a4185d81955cd24019eb0c4a5850
Signed-off-by: David Li <davidxli@google.com>
diff --git a/opengl/libagl2/src/get.cpp b/opengl/libagl2/src/get.cpp
new file mode 100644
index 0000000..13c28ce
--- /dev/null
+++ b/opengl/libagl2/src/get.cpp
@@ -0,0 +1,79 @@
+#include "gles2context.h"
+
+static char const * const gVendorString = "Android";
+static char const * const gRendererString = "Android PixelFlinger2 0.0";
+static char const * const gVersionString = "OpenGL ES 2.0";
+static char const * const gExtensionsString =
+// "GL_OES_byte_coordinates " // OK
+// "GL_OES_fixed_point " // OK
+// "GL_OES_single_precision " // OK
+// "GL_OES_read_format " // OK
+// "GL_OES_compressed_paletted_texture " // OK
+// "GL_OES_draw_texture " // OK
+// "GL_OES_matrix_get " // OK
+// "GL_OES_query_matrix " // OK
+// // "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
+// "GL_ANDROID_vertex_buffer_object " // OK
+// "GL_ANDROID_generate_mipmap " // OK
+ ""
+ ;
+
+void glGetIntegerv(GLenum pname, GLint* params)
+{
+ switch (pname) {
+ case GL_MAX_TEXTURE_SIZE :
+ *params = 4096; // limit is in precision of texcoord calculation, which uses 16.16
+ break;
+ case GL_MAX_VERTEX_ATTRIBS:
+ *params = GGL_MAXVERTEXATTRIBS;
+ break;
+ case GL_MAX_VERTEX_UNIFORM_VECTORS:
+ *params = GGL_MAXVERTEXUNIFORMVECTORS;
+ break;
+ case GL_MAX_VARYING_VECTORS:
+ *params = GGL_MAXVARYINGVECTORS;
+ break;
+ case GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS:
+ *params = GGL_MAXCOMBINEDTEXTUREIMAGEUNITS;
+ break;
+ case GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS:
+ *params = GGL_MAXVERTEXTEXTUREIMAGEUNITS;
+ break;
+ case GL_MAX_TEXTURE_IMAGE_UNITS:
+ *params = GGL_MAXTEXTUREIMAGEUNITS;
+ break;
+ case GL_MAX_FRAGMENT_UNIFORM_VECTORS:
+ *params = GGL_MAXFRAGMENTUNIFORMVECTORS;
+ break;
+ case GL_ALIASED_LINE_WIDTH_RANGE:
+ *params = 1; // TODO: not implemented
+ break;
+ default:
+ LOGD("agl2: glGetIntegerv 0x%.4X", pname);
+ assert(0);
+ }
+}
+
+const GLubyte* glGetString(GLenum name)
+{
+ switch (name) {
+ case GL_VENDOR:
+ return (const GLubyte*)gVendorString;
+ case GL_RENDERER:
+ return (const GLubyte*)gRendererString;
+ case GL_VERSION:
+ return (const GLubyte*)gVersionString;
+ case GL_EXTENSIONS:
+ return (const GLubyte*)gExtensionsString;
+ }
+ assert(0); //(c, GL_INVALID_ENUM);
+ return 0;
+}