117 lines
4.4 KiB
C++
117 lines
4.4 KiB
C++
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//----------------------------------------------------------------------------//
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// //
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// ozz-animation is hosted at http://github.com/guillaumeblanc/ozz-animation //
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// and distributed under the MIT License (MIT). //
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// //
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// Copyright (c) Guillaume Blanc //
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// //
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// Permission is hereby granted, free of charge, to any person obtaining a //
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// copy of this software and associated documentation files (the "Software"), //
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// to deal in the Software without restriction, including without limitation //
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// the rights to use, copy, modify, merge, publish, distribute, sublicense, //
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// and/or sell copies of the Software, and to permit persons to whom the //
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// Software is furnished to do so, subject to the following conditions: //
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// //
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// The above copyright notice and this permission notice shall be included in //
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// all copies or substantial portions of the Software. //
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// //
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR //
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, //
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL //
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER //
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING //
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER //
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// DEALINGS IN THE SOFTWARE. //
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// //
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//----------------------------------------------------------------------------//
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#define OZZ_INCLUDE_PRIVATE_HEADER // Allows to include private headers.
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#include "immediate.h"
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#include <cassert>
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#include "camera.h"
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#include "ozz/base/memory/allocator.h"
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#include "renderer_impl.h"
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#include "shader.h"
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namespace ozz {
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namespace sample {
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namespace internal {
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GlImmediateRenderer::GlImmediateRenderer(RendererImpl* _renderer)
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: vbo_(0), size_(0), renderer_(_renderer) {}
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GlImmediateRenderer::~GlImmediateRenderer() {
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assert(size_ == 0 && "Immediate rendering still in use.");
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if (vbo_) {
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GL(DeleteBuffers(1, &vbo_));
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vbo_ = 0;
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}
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}
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bool GlImmediateRenderer::Initialize() {
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GL(GenBuffers(1, &vbo_));
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immediate_pc_shader = ImmediatePCShader::Build();
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if (!immediate_pc_shader) {
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return false;
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}
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immediate_ptc_shader = ImmediatePTCShader::Build();
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if (!immediate_ptc_shader) {
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return false;
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}
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return true;
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}
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void GlImmediateRenderer::Begin() {
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assert(size_ == 0 && "Immediate rendering already in use.");
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}
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template <>
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void GlImmediateRenderer::End<VertexPC>(GLenum _mode,
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const ozz::math::Float4x4& _transform) {
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GL(BindBuffer(GL_ARRAY_BUFFER, vbo_));
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GL(BufferData(GL_ARRAY_BUFFER, size_, buffer_.data(), GL_STREAM_DRAW));
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immediate_pc_shader->Bind(_transform, renderer_->camera()->view_proj(),
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sizeof(VertexPC), 0, sizeof(VertexPC), 12);
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const int count = static_cast<int>(size_ / sizeof(VertexPC));
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GL(DrawArrays(_mode, 0, count));
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immediate_pc_shader->Unbind();
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GL(BindBuffer(GL_ARRAY_BUFFER, 0));
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// Reset vertex count for the next call
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size_ = 0;
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}
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template <>
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void GlImmediateRenderer::End<VertexPTC>(
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GLenum _mode, const ozz::math::Float4x4& _transform) {
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GL(BindBuffer(GL_ARRAY_BUFFER, vbo_));
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GL(BufferData(GL_ARRAY_BUFFER, size_, buffer_.data(), GL_STREAM_DRAW));
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immediate_ptc_shader->Bind(_transform, renderer_->camera()->view_proj(),
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sizeof(VertexPTC), 0, sizeof(VertexPTC), 12,
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sizeof(VertexPTC), 20);
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const int count = static_cast<int>(size_ / sizeof(VertexPTC));
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GL(DrawArrays(_mode, 0, count));
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immediate_ptc_shader->Unbind();
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GL(BindBuffer(GL_ARRAY_BUFFER, 0));
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// Reset vertex count for the next call
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size_ = 0;
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}
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} // namespace internal
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} // namespace sample
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} // namespace ozz
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