From b95e444f2b9b9e9f3dca9993f86ac7603eb730f9 Mon Sep 17 00:00:00 2001 From: Jacky Romano Date: Wed, 20 Apr 2011 13:43:36 +0300 Subject: [PATCH] emulator opengl - GLESv2 implementation Decoder side implementation for GLESv2 Change-Id: I5db0c0acd2ef52a156487a99ece5cd2f5b073616 --- .../opengl/host/libs/GLESv2_dec/Android.mk | 47 ++++++++ .../host/libs/GLESv2_dec/GL2Decoder.cpp | 110 ++++++++++++++++++ .../opengl/host/libs/GLESv2_dec/GL2Decoder.h | 37 ++++++ 3 files changed, 194 insertions(+) create mode 100644 tools/emulator/opengl/host/libs/GLESv2_dec/Android.mk create mode 100644 tools/emulator/opengl/host/libs/GLESv2_dec/GL2Decoder.cpp create mode 100644 tools/emulator/opengl/host/libs/GLESv2_dec/GL2Decoder.h diff --git a/tools/emulator/opengl/host/libs/GLESv2_dec/Android.mk b/tools/emulator/opengl/host/libs/GLESv2_dec/Android.mk new file mode 100644 index 000000000..72bbbc62b --- /dev/null +++ b/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) + diff --git a/tools/emulator/opengl/host/libs/GLESv2_dec/GL2Decoder.cpp b/tools/emulator/opengl/host/libs/GLESv2_dec/GL2Decoder.cpp new file mode 100644 index 000000000..f9e95ec97 --- /dev/null +++ b/tools/emulator/opengl/host/libs/GLESv2_dec/GL2Decoder.cpp @@ -0,0 +1,110 @@ +#include "GL2Decoder.h" +#include +#include +#include + + +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); +} + diff --git a/tools/emulator/opengl/host/libs/GLESv2_dec/GL2Decoder.h b/tools/emulator/opengl/host/libs/GLESv2_dec/GL2Decoder.h new file mode 100644 index 000000000..fc496813c --- /dev/null +++ b/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