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Render heightmap to layer

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This commit is contained in:
omigamedev
2019-01-07 23:07:55 +01:00
parent 352511a920
commit 2b02be77dc
11 changed files with 145 additions and 116 deletions
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12
src/canvas.cpp
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@@ -2190,17 +2190,27 @@ void Canvas::draw_objects(std::function<void(const glm::mat4& camera, const glm:
glViewport(0, 0, layer.w, layer.h);
glDisable(GL_BLEND);
glm::mat4 proj = glm::perspective(glm::radians(90.f), 1.f, .1f, 1000.f);
GLuint rboID;
glGenRenderbuffers(1, &rboID);
glBindRenderbuffer(GL_RENDERBUFFER, rboID);
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, layer.w, layer.h);
glBindRenderbuffer(GL_RENDERBUFFER, 0);
glm::mat4 proj = glm::perspective(glm::radians(90.f), 1.f, .01f, 1000.f);
for (int i = 0; i < 6; i++)
{
glm::mat4 plane_camera = glm::lookAt(glm::vec3(0), m_plane_origin[i], m_plane_tangent[i]);
layer.m_rtt[i].bindFramebuffer();
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rboID);
observer(plane_camera, proj, i);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, 0);
layer.m_rtt[i].unbindFramebuffer();
}
glDeleteRenderbuffers(1, &rboID);
// restore viewport and clear color states
blend ? glEnable(GL_BLEND) : glDisable(GL_BLEND);
glViewport(vp[0], vp[1], vp[2], vp[3]);