Merge "emulator opengl - GLESv2 implementation"

tools/emulator/opengl/host/libs/GLESv2_dec/Android.mk

@@ -0,0 +1,47 @@
+LOCAL_PATH := $(call my-dir)
+
+### GLESv2 Decoder ###########################################
+include $(CLEAR_VARS)
+
+emulatorOpengl := $(LOCAL_PATH)/../../..
+EMUGEN := $(BUILD_OUT_EXECUTABLES)/emugen
+
+LOCAL_IS_HOST_MODULE := true
+LOCAL_MODULE_CLASS := SHARED_LIBRARIES
+LOCAL_MODULE_TAGS := debug
+LOCAL_MODULE := libGLESv2_dec
+
+intermediates := $(local-intermediates-dir)
+
+LOCAL_SRC_FILES := \
+        GL2Decoder.cpp
+
+LOCAL_C_INCLUDES += \
+    $(emulatorOpengl)/shared \
+    $(emulatorOpengl)/shared/OpenglCodecCommon \
+    $(emulatorOpengl)/host/include/libOpenglRender \
+    $(emulatorOpengl)/system/GLESv2_enc
+
+LOCAL_STATIC_LIBRARIES := \
+        libOpenglCodecCommon \
+	libOpenglOsUtils \
+        liblog
+
+# XXX - uncomment for debug
+#LOCAL_CFLAGS := -DDEBUG_PRINTOUT -O0 -g
+LOCAL_LDLIBS := -ldl
+
+
+GEN := $(intermediates)/gl2_dec.cpp $(intermediates)/gl2_dec.h $(intermediates)/gl2_server_context.cpp
+
+$(GEN) : PRIVATE_PATH := $(LOCAL_PATH)
+$(GEN) : PRIVATE_CUSTOM_TOOL := $(EMUGEN) -D $(intermediates) -i $(emulatorOpengl)/system/GLESv2_enc gl2
+$(GEN) : $(EMUGEN) \
+        $(emulatorOpengl)/system/GLESv2_enc/gl2.attrib \
+        $(emulatorOpengl)/system/GLESv2_enc/gl2.in \
+        $(emulatorOpengl)/system/GLESv2_enc/gl2.types
+	$(transform-generated-source)
+
+LOCAL_GENERATED_SOURCES += $(GEN)
+include $(BUILD_HOST_SHARED_LIBRARY)
+

tools/emulator/opengl/host/libs/GLESv2_dec/GL2Decoder.cpp

@@ -0,0 +1,110 @@
+#include "GL2Decoder.h"
+#include <EGL/egl.h>
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+
+
+GL2Decoder::GL2Decoder()
+{
+    m_contextData = NULL;
+    m_GL2library = NULL;
+}
+
+GL2Decoder::~GL2Decoder()
+{
+    delete m_GL2library;
+}
+
+void *GL2Decoder::s_getProc(const char *name, void *userData)
+{
+    GL2Decoder *ctx = (GL2Decoder *) userData;
+
+    if (ctx == NULL || ctx->m_GL2library == NULL) {
+        return NULL;
+    }
+
+    void *func = NULL;
+#ifdef USE_EGL_GETPROCADDRESS
+    func = (void *) eglGetProcAddress(name);
+#endif
+    if (func == NULL) {
+        func = (void *) ctx->m_GL2library->findSymbol(name);
+    }
+    return func;
+}
+
+int GL2Decoder::initGL(get_proc_func_t getProcFunc, void *getProcFuncData)
+{
+    if (getProcFunc == NULL) {
+        const char *libname = GLES2_LIBNAME;
+        if (getenv(GLES2_LIBNAME_VAR) != NULL) {
+            libname = getenv(GLES2_LIBNAME_VAR);
+        }
+
+        m_GL2library = osUtils::dynLibrary::open(libname);
+        if (m_GL2library == NULL) {
+            fprintf(stderr, "Couldn't find %s \n", libname);
+            return -1;
+        }
+        this->initDispatchByName(s_getProc, this);
+    } else {
+        this->initDispatchByName(getProcFunc, getProcFuncData);
+    }
+
+    set_glGetCompressedTextureFormats(s_glGetCompressedTextureFormats);
+    set_glVertexAttribPointerData(s_glVertexAttribPointerData);
+    set_glVertexAttribPointerOffset(s_glVertexAttribPointerOffset);
+
+    set_glDrawElementsOffset(s_glDrawElementsOffset);
+    set_glDrawElementsData(s_glDrawElementsData);
+
+    return 0;
+
+}
+
+void GL2Decoder::s_glGetCompressedTextureFormats(void *self, int count, GLint *formats)
+{
+    GL2Decoder *ctx = (GL2Decoder *) self;
+
+    int nFormats;
+    ctx->glGetIntegerv(GL_NUM_COMPRESSED_TEXTURE_FORMATS, &nFormats);
+    if (nFormats > count) {
+        fprintf(stderr, "GetCompressedTextureFormats: The requested number of formats does not match the number that is reported by OpenGL\n");
+    } else {
+        ctx->glGetIntegerv(GL_COMPRESSED_TEXTURE_FORMATS, formats);
+    }
+}
+
+void GL2Decoder::s_glVertexAttribPointerData(void *self, GLuint indx, GLint size, GLenum type,
+                                             GLboolean normalized, GLsizei stride,  void * data, GLuint datalen)
+{
+    GL2Decoder *ctx = (GL2Decoder *) self;
+    if (ctx->m_contextData != NULL) {
+        ctx->m_contextData->storePointerData(indx, data, datalen);
+        // note - the stride of the data is always zero when it comes out of the codec.
+        // See gl2.attrib for the packing function call.
+        ctx->glVertexAttribPointer(indx, size, type, normalized, 0, ctx->m_contextData->pointerData(indx));
+    }
+}
+
+void GL2Decoder::s_glVertexAttribPointerOffset(void *self, GLuint indx, GLint size, GLenum type,
+                                               GLboolean normalized, GLsizei stride,  GLuint data)
+{
+    GL2Decoder *ctx = (GL2Decoder *) self;
+    ctx->glVertexAttribPointer(indx, size, type, normalized, stride, (GLvoid *)data);
+}
+
+
+void GL2Decoder::s_glDrawElementsData(void *self, GLenum mode, GLsizei count, GLenum type, void * data, GLuint datalen)
+{
+    GL2Decoder *ctx = (GL2Decoder *)self;
+    ctx->glDrawElements(mode, count, type, data);
+}
+
+
+void GL2Decoder::s_glDrawElementsOffset(void *self, GLenum mode, GLsizei count, GLenum type, GLuint offset)
+{
+    GL2Decoder *ctx = (GL2Decoder *)self;
+    ctx->glDrawElements(mode, count, type, (void *)offset);
+}
+

tools/emulator/opengl/host/libs/GLESv2_dec/GL2Decoder.h

@@ -0,0 +1,37 @@
+#ifndef _GL2_DECODER_H_
+#define _GL2_DECODER_H_
+
+#define GLES2_LIBNAME_VAR "ANDROID_GLESv2_LIB"
+#define GLES2_LIBNAME     "libGLESv2.so"
+
+#include "gl2_dec.h"
+#include "OpenglOsUtils/osDynLibrary.h"
+#include "GLDecoderContextData.h"
+
+
+class GL2Decoder : public gl2_decoder_context_t
+{
+public:
+    typedef void *(*get_proc_func_t)(const char *name, void *userData);
+    GL2Decoder();
+    ~GL2Decoder();
+    int initGL(get_proc_func_t getProcFunc = NULL, void *getProcFuncData = NULL);
+    void setContextData(GLDecoderContextData *contextData) { m_contextData = contextData; }
+private:
+    GLDecoderContextData *m_contextData;
+    osUtils::dynLibrary * m_GL2library;
+
+    static void *s_getProc(const char *name, void *userData);
+    static void s_glGetCompressedTextureFormats(void *self, int count, GLint *formats);
+    static void s_glVertexAttribPointerData(void *self, GLuint indx, GLint size, GLenum type,
+                                      GLboolean normalized, GLsizei stride,  void * data, GLuint datalen);
+    static void s_glVertexAttribPointerOffset(void *self, GLuint indx, GLint size, GLenum type,
+                                        GLboolean normalized, GLsizei stride,  GLuint offset);
+
+    static void s_glDrawElementsOffset(void *self, GLenum mode, GLsizei count, GLenum type, GLuint offset);
+    static void s_glDrawElementsData(void *self, GLenum mode, GLsizei count, GLenum type, void * data, GLuint datalen);
+
+
+
+};
+#endif