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Renderer: Fix MRT support

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This commit is contained in:
Jérôme Leclercq
2021-05-05 12:01:20 +02:00
parent 990193ebb4
commit 10aa7231b6
8 changed files with 74 additions and 10 deletions
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12
src/Nazara/OpenGLRenderer/OpenGLCommandBuffer.cpp
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@@ -3,6 +3,7 @@
// For conditions of distribution and use, see copyright notice in Config.hpp
#include <Nazara/OpenGLRenderer/OpenGLCommandBuffer.hpp>
#include <Nazara/Core/StackArray.hpp>
#include <Nazara/OpenGLRenderer/OpenGLCommandPool.hpp>
#include <Nazara/OpenGLRenderer/OpenGLVaoCache.hpp>
#include <Nazara/OpenGLRenderer/Wrapper/Context.hpp>
@@ -57,6 +58,10 @@ namespace Nz
{
const GL::Context* context = GL::Context::GetCurrentContext();
StackArray<GLenum> fboDrawBuffers = NazaraStackArrayNoInit(GLenum, m_maxColorBufferCount);
for (std::size_t i = 0; i < m_maxColorBufferCount; ++i)
fboDrawBuffers[i] = GLenum(GL_COLOR_ATTACHMENT0 + i);
for (const auto& commandVariant : m_commands)
{
std::visit([&](auto&& command)
@@ -103,6 +108,10 @@ namespace Nz
if (command.framebuffer->GetType() == OpenGLFramebuffer::Type::FBO)
{
std::size_t colorBufferCount = command.framebuffer->GetColorBufferCount();
assert(colorBufferCount <= fboDrawBuffers.size());
context->glDrawBuffers(GLsizei(colorBufferCount), fboDrawBuffers.data());
for (std::size_t i = 0; i < colorBufferCount; ++i)
{
Nz::Color color = command.clearValues[i].color;
@@ -115,6 +124,9 @@ namespace Nz
}
else
{
GLenum buffer = GL_BACK;
context->glDrawBuffers(1, &buffer);
Nz::Color color = command.clearValues[0].color;
context->glClearColor(color.r / 255.f, color.g / 255.f, color.b / 255.f, color.a / 255.f);
context->glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);