+/*
+* Copyright (C) 2011 The Android Open Source Project
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+#include "GLESv1Decoder.h"
+
+#include <EGL/egl.h>
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+static inline void* SafePointerFromUInt(GLuint value) {
+ return (void*)(uintptr_t)value;
+}
+
+GLESv1Decoder::GLESv1Decoder()
+{
+ m_contextData = NULL;
+ m_glesDso = NULL;
+}
+
+GLESv1Decoder::~GLESv1Decoder()
+{
+ if (m_glesDso != NULL) {
+ delete m_glesDso;
+ }
+}
+
+
+int GLESv1Decoder::initGL(get_proc_func_t getProcFunc, void *getProcFuncData)
+{
+ this->initDispatchByName(getProcFunc, getProcFuncData);
+
+ glGetCompressedTextureFormats = s_glGetCompressedTextureFormats;
+ glVertexPointerOffset = s_glVertexPointerOffset;
+ glColorPointerOffset = s_glColorPointerOffset;
+ glNormalPointerOffset = s_glNormalPointerOffset;
+ glTexCoordPointerOffset = s_glTexCoordPointerOffset;
+ glPointSizePointerOffset = s_glPointSizePointerOffset;
+ glWeightPointerOffset = s_glWeightPointerOffset;
+ glMatrixIndexPointerOffset = s_glMatrixIndexPointerOffset;
+
+ glVertexPointerData = s_glVertexPointerData;
+ glColorPointerData = s_glColorPointerData;
+ glNormalPointerData = s_glNormalPointerData;
+ glTexCoordPointerData = s_glTexCoordPointerData;
+ glPointSizePointerData = s_glPointSizePointerData;
+ glWeightPointerData = s_glWeightPointerData;
+ glMatrixIndexPointerData = s_glMatrixIndexPointerData;
+
+ glDrawElementsOffset = s_glDrawElementsOffset;
+ glDrawElementsData = s_glDrawElementsData;
+ glFinishRoundTrip = s_glFinishRoundTrip;
+
+ return 0;
+}
+
+int GLESv1Decoder::s_glFinishRoundTrip(void *self)
+{
+ GLESv1Decoder *ctx = (GLESv1Decoder *)self;
+ ctx->glFinish();
+ return 0;
+}
+
+void GLESv1Decoder::s_glVertexPointerOffset(void *self, GLint size, GLenum type, GLsizei stride, GLuint offset)
+{
+ GLESv1Decoder *ctx = (GLESv1Decoder *)self;
+ ctx->glVertexPointer(size, type, stride, SafePointerFromUInt(offset));
+}
+
+void GLESv1Decoder::s_glColorPointerOffset(void *self, GLint size, GLenum type, GLsizei stride, GLuint offset)
+{
+ GLESv1Decoder *ctx = (GLESv1Decoder *)self;
+ ctx->glColorPointer(size, type, stride, SafePointerFromUInt(offset));
+}
+
+void GLESv1Decoder::s_glTexCoordPointerOffset(void *self, GLint size, GLenum type, GLsizei stride, GLuint offset)
+{
+ GLESv1Decoder *ctx = (GLESv1Decoder *)self;
+ ctx->glTexCoordPointer(size, type, stride, SafePointerFromUInt(offset));
+}
+
+void GLESv1Decoder::s_glNormalPointerOffset(void *self, GLenum type, GLsizei stride, GLuint offset)
+{
+ GLESv1Decoder *ctx = (GLESv1Decoder *)self;
+ ctx->glNormalPointer(type, stride, SafePointerFromUInt(offset));
+}
+
+void GLESv1Decoder::s_glPointSizePointerOffset(void *self, GLenum type, GLsizei stride, GLuint offset)
+{
+ GLESv1Decoder *ctx = (GLESv1Decoder *)self;
+ ctx->glPointSizePointerOES(type, stride, SafePointerFromUInt(offset));
+}
+
+void GLESv1Decoder::s_glWeightPointerOffset(void * self, GLint size, GLenum type, GLsizei stride, GLuint offset)
+{
+ GLESv1Decoder *ctx = (GLESv1Decoder *)self;
+ ctx->glWeightPointerOES(size, type, stride, SafePointerFromUInt(offset));
+}
+
+void GLESv1Decoder::s_glMatrixIndexPointerOffset(void * self, GLint size, GLenum type, GLsizei stride, GLuint offset)
+{
+ GLESv1Decoder *ctx = (GLESv1Decoder *)self;
+ ctx->glMatrixIndexPointerOES(size, type, stride, SafePointerFromUInt(offset));
+}
+
+
+
+#define STORE_POINTER_DATA_OR_ABORT(location) \
+ if (ctx->m_contextData != NULL) { \
+ ctx->m_contextData->storePointerData((location), data, datalen); \
+ } else { \
+ return; \
+ }
+
+void GLESv1Decoder::s_glVertexPointerData(void *self, GLint size, GLenum type, GLsizei stride, void *data, GLuint datalen)
+{
+ GLESv1Decoder *ctx = (GLESv1Decoder *)self;
+
+ STORE_POINTER_DATA_OR_ABORT(GLDecoderContextData::VERTEX_LOCATION);
+
+ ctx->glVertexPointer(size, type, 0, ctx->m_contextData->pointerData(GLDecoderContextData::VERTEX_LOCATION));
+}
+
+void GLESv1Decoder::s_glColorPointerData(void *self, GLint size, GLenum type, GLsizei stride, void *data, GLuint datalen)
+{
+ GLESv1Decoder *ctx = (GLESv1Decoder *)self;
+
+ STORE_POINTER_DATA_OR_ABORT(GLDecoderContextData::COLOR_LOCATION);
+
+ ctx->glColorPointer(size, type, 0, ctx->m_contextData->pointerData(GLDecoderContextData::COLOR_LOCATION));
+}
+
+void GLESv1Decoder::s_glTexCoordPointerData(void *self, GLint unit, GLint size, GLenum type, GLsizei stride, void *data, GLuint datalen)
+{
+ GLESv1Decoder *ctx = (GLESv1Decoder *)self;
+ STORE_POINTER_DATA_OR_ABORT((GLDecoderContextData::PointerDataLocation)
+ (GLDecoderContextData::TEXCOORD0_LOCATION + unit));
+
+ ctx->glTexCoordPointer(size, type, 0,
+ ctx->m_contextData->pointerData((GLDecoderContextData::PointerDataLocation)
+ (GLDecoderContextData::TEXCOORD0_LOCATION + unit)));
+}
+
+void GLESv1Decoder::s_glNormalPointerData(void *self, GLenum type, GLsizei stride, void *data, GLuint datalen)
+{
+ GLESv1Decoder *ctx = (GLESv1Decoder *)self;
+
+ STORE_POINTER_DATA_OR_ABORT(GLDecoderContextData::NORMAL_LOCATION);
+
+ ctx->glNormalPointer(type, 0, ctx->m_contextData->pointerData(GLDecoderContextData::NORMAL_LOCATION));
+}
+
+void GLESv1Decoder::s_glPointSizePointerData(void *self, GLenum type, GLsizei stride, void *data, GLuint datalen)
+{
+ GLESv1Decoder *ctx = (GLESv1Decoder *)self;
+
+ STORE_POINTER_DATA_OR_ABORT(GLDecoderContextData::POINTSIZE_LOCATION);
+
+ ctx->glPointSizePointerOES(type, 0, ctx->m_contextData->pointerData(GLDecoderContextData::POINTSIZE_LOCATION));
+}
+
+void GLESv1Decoder::s_glWeightPointerData(void * self, GLint size, GLenum type, GLsizei stride, void * data, GLuint datalen)
+{
+ GLESv1Decoder *ctx = (GLESv1Decoder *)self;
+
+ STORE_POINTER_DATA_OR_ABORT(GLDecoderContextData::WEIGHT_LOCATION);
+
+ ctx->glWeightPointerOES(size, type, 0, ctx->m_contextData->pointerData(GLDecoderContextData::WEIGHT_LOCATION));
+}
+
+void GLESv1Decoder::s_glMatrixIndexPointerData(void * self, GLint size, GLenum type, GLsizei stride, void * data, GLuint datalen)
+{
+ GLESv1Decoder *ctx = (GLESv1Decoder *)self;
+
+ STORE_POINTER_DATA_OR_ABORT(GLDecoderContextData::MATRIXINDEX_LOCATION);
+
+ ctx->glMatrixIndexPointerOES(size, type, 0, ctx->m_contextData->pointerData(GLDecoderContextData::MATRIXINDEX_LOCATION));
+}
+
+void GLESv1Decoder::s_glDrawElementsOffset(void *self, GLenum mode, GLsizei count, GLenum type, GLuint offset)
+{
+ GLESv1Decoder *ctx = (GLESv1Decoder *)self;
+ ctx->glDrawElements(mode, count, type, SafePointerFromUInt(offset));
+}
+
+void GLESv1Decoder::s_glDrawElementsData(void *self, GLenum mode, GLsizei count, GLenum type, void * data, GLuint datalen)
+{
+ GLESv1Decoder *ctx = (GLESv1Decoder *)self;
+ ctx->glDrawElements(mode, count, type, data);
+}
+
+void GLESv1Decoder::s_glGetCompressedTextureFormats(void *self, GLint count, GLint *data)
+{
+ GLESv1Decoder *ctx = (GLESv1Decoder *) self;
+ ctx->glGetIntegerv(GL_COMPRESSED_TEXTURE_FORMATS, data);
+}
+
+void *GLESv1Decoder::s_getProc(const char *name, void *userData)
+{
+ GLESv1Decoder *ctx = (GLESv1Decoder *)userData;
+
+ if (ctx == NULL || ctx->m_glesDso == NULL) {
+ return NULL;
+ }
+
+ void *func = NULL;
+#ifdef USE_EGL_GETPROCADDRESS
+ func = (void *) eglGetProcAddress(name);
+#endif
+ if (func == NULL) {
+ func = (void *)(ctx->m_glesDso->findSymbol(name));
+ }
+ return func;
+}