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OpenXR use just one framebuffer

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This commit is contained in:
Lubos 2022-04-24 18:06:02 +02:00
parent b11122e368
commit 249847930b
3 changed files with 32 additions and 54 deletions
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32
android/app/src/main/cpp/code/vr/vr_renderer.c
View file

@ -160,24 +160,12 @@ void VR_GetResolution(engine_t* engine, int *pWidth, int *pHeight)
}
}
typedef void(GL_APIENTRY* PFNGLFRAMEBUFFERTEXTUREMULTIVIEWOVRPROC)(
GLenum target,
GLenum attachment,
GLuint texture,
GLint level,
GLint baseViewIndex,
GLsizei numViews);
void VR_InitRenderer( engine_t* engine ) {
#if ENABLE_GL_DEBUG
glEnable(GL_DEBUG_OUTPUT);
glDebugMessageCallback(VR_GLDebugLog, 0);
#endif
PFNGLFRAMEBUFFERTEXTUREMULTIVIEWOVRPROC glFramebufferTextureMultiviewOVR =
(PFNGLFRAMEBUFFERTEXTUREMULTIVIEWOVRPROC)eglGetProcAddress(
"glFramebufferTextureMultiviewOVR");
int eyeW, eyeH;
VR_GetResolution(engine, &eyeW, &eyeH);
@ -308,7 +296,7 @@ void VR_DrawFrame( engine_t* engine ) {
const ovrMatrix4f projectionMatrix = ovrMatrix4f_CreateProjectionFov(
vr.fov_x / vr.weapon_zoomLevel, vr.fov_y / vr.weapon_zoomLevel, 0.0f, 0.0f, 1.0f, 0.0f );
re.SetVRHeadsetParms(projectionMatrix.M, monoVRMatrix.M,
engine->appState.Renderer.FrameBuffer[0].FrameBuffers[engine->appState.Renderer.FrameBuffer[0].TextureSwapChainIndex]);
engine->appState.Renderer.FrameBuffer.FrameBuffers[engine->appState.Renderer.FrameBuffer.TextureSwapChainIndex]);
GLboolean stageBoundsDirty = GL_TRUE;
ovrApp_HandleXrEvents(&engine->appState);
@ -391,11 +379,6 @@ void VR_DrawFrame( engine_t* engine ) {
engine->appState.LayerCount = 0;
memset(engine->appState.Layers, 0, sizeof(ovrCompositorLayer_Union) * ovrMaxLayerCount);
for (int eye = 0; eye < ovrMaxNumEyes; eye++) {
ovrFramebuffer* frameBuffer = &engine->appState.Renderer.FrameBuffer[eye];
ovrFramebuffer_Acquire(frameBuffer);
ovrFramebuffer_SetCurrent(frameBuffer);
if (Cvar_VariableIntegerValue("vr_thirdPersonSpectator"))
{
//Blood red.. ish
@ -408,11 +391,12 @@ void VR_DrawFrame( engine_t* engine ) {
}
glClear( GL_COLOR_BUFFER_BIT );
ovrFramebuffer* frameBuffer = &engine->appState.Renderer.FrameBuffer;
ovrFramebuffer_Acquire(frameBuffer);
ovrFramebuffer_SetCurrent(frameBuffer);
Com_Frame();
ovrFramebuffer_Resolve(frameBuffer);
ovrFramebuffer_Release(frameBuffer);
}
ovrFramebuffer_SetNone();
if (!VR_useScreenLayer() && !(cl.snap.ps.pm_flags & PMF_FOLLOW && vr.follow_mode == VRFM_FIRSTPERSON)) {
@ -426,7 +410,7 @@ void VR_DrawFrame( engine_t* engine ) {
projection_layer.views = projection_layer_elements;
for (int eye = 0; eye < ovrMaxNumEyes; eye++) {
ovrFramebuffer* frameBuffer = &engine->appState.Renderer.FrameBuffer[eye];
ovrFramebuffer* frameBuffer = &engine->appState.Renderer.FrameBuffer;
memset(
&projection_layer_elements[eye], 0, sizeof(XrCompositionLayerProjectionView));
@ -457,11 +441,11 @@ void VR_DrawFrame( engine_t* engine ) {
cylinder_layer.space = engine->appState.LocalSpace;
cylinder_layer.eyeVisibility = XR_EYE_VISIBILITY_BOTH;
memset(&cylinder_layer.subImage, 0, sizeof(XrSwapchainSubImage));
cylinder_layer.subImage.swapchain = engine->appState.Renderer.FrameBuffer[0].ColorSwapChain.Handle;
cylinder_layer.subImage.swapchain = engine->appState.Renderer.FrameBuffer.ColorSwapChain.Handle;
cylinder_layer.subImage.imageRect.offset.x = 0;
cylinder_layer.subImage.imageRect.offset.y = 0;
cylinder_layer.subImage.imageRect.extent.width = engine->appState.Renderer.FrameBuffer[0].ColorSwapChain.Width;
cylinder_layer.subImage.imageRect.extent.height = engine->appState.Renderer.FrameBuffer[0].ColorSwapChain.Height;
cylinder_layer.subImage.imageRect.extent.width = engine->appState.Renderer.FrameBuffer.ColorSwapChain.Width;
cylinder_layer.subImage.imageRect.extent.height = engine->appState.Renderer.FrameBuffer.ColorSwapChain.Height;
cylinder_layer.subImage.imageArrayIndex = 0;
const XrVector3f axis = {0.0f, 1.0f, 0.0f};
const XrVector3f pos = {xfStageFromHead.position.x, -0.25f, xfStageFromHead.position.z - 1.0f};

12
android/app/src/main/cpp/code/vr/vr_types.c
View file

@ -275,9 +275,7 @@ ovrRenderer
*/
void ovrRenderer_Clear(ovrRenderer* renderer) {
for (int eye = 0; eye < ovrMaxNumEyes; eye++) {
ovrFramebuffer_Clear(&renderer->FrameBuffer[eye]);
}
ovrFramebuffer_Clear(&renderer->FrameBuffer);
}
void ovrRenderer_Create(
@ -286,21 +284,17 @@ void ovrRenderer_Create(
int suggestedEyeTextureWidth,
int suggestedEyeTextureHeight) {
// Create the frame buffers.
for (int eye = 0; eye < ovrMaxNumEyes; eye++) {
ovrFramebuffer_Create(
session,
&renderer->FrameBuffer[eye],
&renderer->FrameBuffer,
GL_SRGB8_ALPHA8,
suggestedEyeTextureWidth,
suggestedEyeTextureHeight,
NUM_MULTI_SAMPLES);
}
}
void ovrRenderer_Destroy(ovrRenderer* renderer) {
for (int eye = 0; eye < ovrMaxNumEyes; eye++) {
ovrFramebuffer_Destroy(&renderer->FrameBuffer[eye]);
}
ovrFramebuffer_Destroy(&renderer->FrameBuffer);
}
/*

2
android/app/src/main/cpp/code/vr/vr_types.h
View file

@ -80,7 +80,7 @@ typedef struct {
} ovrFramebuffer;
typedef struct {
ovrFramebuffer FrameBuffer[ovrMaxNumEyes];
ovrFramebuffer FrameBuffer;
} ovrRenderer;
typedef struct {