isle-portable/miniwin/src/internal/d3drmrenderer_opengl15.h
2025-06-05 03:03:19 +02:00

55 lines
1.7 KiB
C++

#pragma once
#include "d3drmrenderer.h"
#include "d3drmtexture_impl.h"
#include "ddraw_impl.h"
#include <GL/glew.h>
#include <SDL3/SDL.h>
#include <vector>
DEFINE_GUID(OPENGL15_GUID, 0x682656F3, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03);
class OpenGL15Renderer : public Direct3DRMRenderer {
public:
static Direct3DRMRenderer* Create(DWORD width, DWORD height);
OpenGL15Renderer(int width, int height, SDL_GLContext context, GLuint fbo, GLuint colorTex, GLuint depthRb);
~OpenGL15Renderer() override;
void PushLights(const SceneLight* lightsArray, size_t count) override;
void SetProjection(const D3DRMMATRIX4D& projection, D3DVALUE front, D3DVALUE back) override;
Uint32 GetTextureId(IDirect3DRMTexture* texture) override;
DWORD GetWidth() override;
DWORD GetHeight() override;
void GetDesc(D3DDEVICEDESC* halDesc, D3DDEVICEDESC* helDesc) override;
const char* GetName() override;
HRESULT BeginFrame(const D3DRMMATRIX4D& viewMatrix) override;
void SubmitDraw(
const GeometryVertex* vertices,
const size_t count,
const D3DRMMATRIX4D& worldMatrix,
const Matrix3x3& normalMatrix,
const Appearance& appearance
) override;
HRESULT FinalizeFrame() override;
private:
D3DRMMATRIX4D m_viewMatrix;
D3DRMMATRIX4D m_projection;
SDL_Surface* m_renderedImage;
int m_width, m_height;
std::vector<SceneLight> m_lights;
SDL_GLContext m_context;
GLuint m_fbo = 0;
GLuint m_colorTex = 0;
GLuint m_depthRb = 0;
};
inline static void OpenGL15Renderer_EnumDevice(LPD3DENUMDEVICESCALLBACK cb, void* ctx)
{
Direct3DRMRenderer* device = OpenGL15Renderer::Create(640, 480);
if (device) {
EnumDevice(cb, ctx, device, OPENGL15_GUID);
delete device;
}
}