diff -r 067180f57b12 -r 09263774e342 hostsupport/hostopengles20/src/GLES2/buffer.c --- a/hostsupport/hostopengles20/src/GLES2/buffer.c Wed Oct 06 18:00:57 2010 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,222 +0,0 @@ -/* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - * Initial Contributors: - * Nokia Corporation - initial contribution. - * - * Contributors: - * - * Description: - * - */ - -#include "common.h" -#include "hgl.h" -#include "context.h" - -DGLBuffer* DGLBuffer_create(GLuint name) -{ - DGLBuffer* buffer = malloc(sizeof(DGLBuffer)); - if(buffer == NULL) - { - return NULL; - } - - buffer->obj.name = name; - buffer->obj.next = NULL; - - buffer->data = NULL; - buffer->size = 0; - buffer->usage = GL_STATIC_DRAW; - - return buffer; -} - -void DGLBuffer_destroy(DGLBuffer *buffer) -{ - DGLES2_ASSERT(buffer != NULL); - if(buffer->data != NULL) - { - free(buffer->data); - buffer->data = NULL; - } - free(buffer); -} - -GL_APICALL_BUILD void GL_APIENTRY glBindBuffer(GLenum target, GLuint buffer) -{ - DGLES2_ENTER(); - - DGLContext_getHostError(ctx); - - // The buffers are stored in both the wrapper and host. - ctx->hgl.BindBuffer(target, buffer); - - if(DGLContext_getHostError(ctx) == GL_NO_ERROR) - { - if(target == GL_ARRAY_BUFFER) - { - if(!DGLContext_bindBuffer(ctx, buffer)) - { - DGLES2_ERROR(GL_OUT_OF_MEMORY); - } - } - else - { - DGLES2_ERROR_IF(target != GL_ELEMENT_ARRAY_BUFFER, GL_INVALID_ENUM); - } - } - - DGLES2_LEAVE(); -} - -GL_APICALL_BUILD void GL_APIENTRY glBufferData(GLenum target, GLsizeiptr size, const void* data, GLenum usage) -{ - DGLES2_ENTER(); - DGLES2_ERROR_IF(size < 0, GL_INVALID_VALUE); - DGLES2_ERROR_IF(usage != GL_STATIC_DRAW && usage != GL_DYNAMIC_DRAW && usage != GL_STREAM_DRAW, GL_INVALID_ENUM); - - DGLContext_getHostError(ctx); - - // The buffers are stored in both the wrapper and host. - ctx->hgl.BufferData(target, size, data, usage); - - if(DGLContext_getHostError(ctx) == GL_NO_ERROR) - { - if(target == GL_ARRAY_BUFFER) - { - DGLBuffer* buffer; - - DGLES2_ERROR_IF(ctx->buffer_binding == 0, GL_INVALID_OPERATION); - - buffer = DGLContext_findBuffer(ctx, ctx->buffer_binding); - DGLES2_ASSERT(buffer != NULL); - - if(buffer->data != NULL) - { - // Delete old data. - free(buffer->data); - } - - buffer->data = malloc(size); - if(buffer->data == NULL) - { - DGLES2_ERROR(GL_OUT_OF_MEMORY); - } - - if(data != NULL) - { - // Copy new data. - memcpy(buffer->data, data, size); - } - - buffer->size = size; - buffer->usage = usage; - } - else - { - DGLES2_ERROR_IF(target != GL_ELEMENT_ARRAY_BUFFER, GL_INVALID_ENUM); - } - } - - DGLES2_LEAVE(); -} - -GL_APICALL_BUILD void GL_APIENTRY glBufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, const void* data) -{ - DGLES2_ENTER(); - DGLES2_ERROR_IF(offset < 0, GL_INVALID_VALUE); - DGLES2_ERROR_IF(size < 0, GL_INVALID_VALUE); - - DGLContext_getHostError(ctx); - - // The buffers are stored in both the wrapper and host. - ctx->hgl.BufferSubData(target, offset, size, data); - - if(DGLContext_getHostError(ctx) == GL_NO_ERROR) - { - if(target == GL_ARRAY_BUFFER) - { - DGLBuffer* buffer; - - DGLES2_ERROR_IF(target != GL_ARRAY_BUFFER, GL_INVALID_ENUM); - DGLES2_ERROR_IF(ctx->buffer_binding == 0, GL_INVALID_OPERATION); - - buffer = DGLContext_findBuffer(ctx, ctx->buffer_binding); - DGLES2_ASSERT(buffer != NULL); - - memcpy((char*)buffer->data + offset, data, size); - } - else - { - DGLES2_ERROR_IF(target != GL_ELEMENT_ARRAY_BUFFER, GL_INVALID_ENUM); - } - } - - DGLES2_LEAVE(); -} - -GL_APICALL_BUILD void GL_APIENTRY glDeleteBuffers(GLsizei n, const GLuint* buffers) -{ - DGLES2_ENTER(); - DGLES2_ERROR_IF(n < 0, GL_INVALID_VALUE); - - DGLContext_getHostError(ctx); - - // The buffers are stored in both the wrapper and host. - ctx->hgl.DeleteBuffers(n, buffers); - - if(DGLContext_getHostError(ctx) == GL_NO_ERROR) - { - int i; - for(i = 0; i < n; i++) - { - DGLContext_destroyBuffer(ctx, buffers[i]); - } - } - - DGLES2_LEAVE(); -} - - -GL_APICALL_BUILD void GL_APIENTRY glGenBuffers(GLsizei n, GLuint* buffers) -{ - DGLES2_ENTER(); - DGLES2_ERROR_IF(n < 0, GL_INVALID_VALUE); - - // The buffers are stored in both the wrapper and host. - // Let the host come up with free buffer names. - ctx->hgl.GenBuffers(n, buffers); - - DGLES2_LEAVE(); -} - -GL_APICALL_BUILD void GL_APIENTRY glGetBufferParameteriv(GLenum target, GLenum pname, GLint* params) -{ - DGLES2_ENTER(); - DGLES2_ERROR_IF(pname != GL_BUFFER_USAGE && pname != GL_BUFFER_SIZE, GL_INVALID_ENUM); - ctx->hgl.GetBufferParameteriv(target, pname, params); - DGLES2_LEAVE(); -} - -GL_APICALL_BUILD GLboolean GL_APIENTRY glIsBuffer(GLuint buffer) -{ - DGLES2_ENTER_RET(GL_FALSE); - DGLES2_LEAVE_RET(ctx->hgl.IsBuffer(buffer)); -}