void GLReplay::RenderMesh(int frameID, vector<int> eventID, MeshDisplay cfg)
{
WrappedOpenGL &gl = *m_pDriver;
MakeCurrentReplayContext(m_DebugCtx);
GLuint curFBO = 0;
gl.glGetIntegerv(eGL_FRAMEBUFFER_BINDING, (GLint*)&curFBO);
OutputWindow *outw = NULL;
for(auto it = m_OutputWindows.begin(); it != m_OutputWindows.end(); ++it)
{
if(it->second.BlitData.windowFBO == curFBO)
{
outw = &it->second;
break;
}
}
if(!outw) return;
const auto &attr = m_CurPipelineState.m_VtxIn.attributes[0];
const auto &vb = m_CurPipelineState.m_VtxIn.vbuffers[attr.BufferSlot];
if(vb.Buffer == ResourceId())
return;
MakeCurrentReplayContext(&m_ReplayCtx);
GLint viewport[4];
gl.glGetIntegerv(eGL_VIEWPORT, viewport);
gl.glGetIntegerv(eGL_FRAMEBUFFER_BINDING, (GLint*)&curFBO);
if(outw->BlitData.replayFBO == 0)
{
gl.glGenFramebuffers(1, &outw->BlitData.replayFBO);
gl.glBindFramebuffer(eGL_FRAMEBUFFER, outw->BlitData.replayFBO);
gl.glFramebufferTexture(eGL_FRAMEBUFFER, eGL_COLOR_ATTACHMENT0, outw->BlitData.backbuffer, 0);
}
else
{
gl.glBindFramebuffer(eGL_FRAMEBUFFER, outw->BlitData.replayFBO);
}
gl.glViewport(0, 0, (GLsizei)DebugData.outWidth, (GLsizei)DebugData.outHeight);
GLuint curProg = 0;
gl.glGetIntegerv(eGL_CURRENT_PROGRAM, (GLint*)&curProg);
gl.glUseProgram(DebugData.meshProg);
float wireCol[] = { 0.0f, 0.0f, 0.0f, 1.0f };
GLint colLoc = gl.glGetUniformLocation(DebugData.meshProg, "RENDERDOC_GenericFS_Color");
gl.glUniform4fv(colLoc, 1, wireCol);
Matrix4f projMat = Matrix4f::Perspective(90.0f, 0.1f, 100000.0f, DebugData.outWidth/DebugData.outHeight);
Camera cam;
if(cfg.arcballCamera)
cam.Arcball(cfg.cameraPos.x, Vec3f(cfg.cameraRot.x, cfg.cameraRot.y, cfg.cameraRot.z));
else
cam.fpsLook(Vec3f(cfg.cameraPos.x, cfg.cameraPos.y, cfg.cameraPos.z), Vec3f(cfg.cameraRot.x, cfg.cameraRot.y, cfg.cameraRot.z));
Matrix4f camMat = cam.GetMatrix();
Matrix4f ModelViewProj = projMat.Mul(camMat);
GLint mvpLoc = gl.glGetUniformLocation(DebugData.meshProg, "ModelViewProj");
gl.glUniformMatrix4fv(mvpLoc, 1, GL_FALSE, ModelViewProj.Data());
GLuint curVAO = 0;
gl.glGetIntegerv(eGL_VERTEX_ARRAY_BINDING, (GLint*)&curVAO);
GLuint curArr = 0;
gl.glGetIntegerv(eGL_ARRAY_BUFFER_BINDING, (GLint*)&curArr);
gl.glBindVertexArray(DebugData.meshVAO);
// TODO: we should probably use glBindVertexBuffer, glVertexAttribFormat, glVertexAttribBinding.
// For now just assume things about the format and vbuffer.
RDCASSERT(attr.Format.compType == eCompType_Float && attr.Format.compByteWidth == 4);
gl.glBindBuffer(eGL_ARRAY_BUFFER, m_pDriver->GetResourceManager()->GetLiveResource(vb.Buffer).name);
gl.glVertexAttribPointer(0, attr.Format.compCount, eGL_FLOAT, GL_FALSE, 0, (void *)intptr_t(vb.Offset + attr.RelativeOffset));
gl.glEnableVertexAttribArray(0);
{
GLint depthTest = GL_FALSE;
gl.glGetIntegerv(eGL_DEPTH_TEST, (GLint*)&depthTest);
GLenum polyMode = eGL_FILL;
gl.glGetIntegerv(eGL_POLYGON_MODE, (GLint*)&polyMode);
gl.glDisable(eGL_DEPTH_TEST);
gl.glPolygonMode(eGL_FRONT_AND_BACK, eGL_LINE);
ReplayLog(frameID, 0, eventID[0], eReplay_OnlyDraw);
if(depthTest)
gl.glEnable(eGL_DEPTH_TEST);
if(polyMode != eGL_LINE)
gl.glPolygonMode(eGL_FRONT_AND_BACK, polyMode);
}
gl.glBindVertexArray(curVAO);
gl.glBindBuffer(eGL_ARRAY_BUFFER, curArr);
gl.glUseProgram(curProg);
gl.glViewport(viewport[0], viewport[1], (GLsizei)viewport[2], (GLsizei)viewport[3]);
gl.glBindFramebuffer(eGL_FRAMEBUFFER, curFBO);
}
