cyberarm/i-mic-fps
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Framebuffer rendering on quad is now working! 😂

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This commit is contained in:
Cyberarm
2020-03-25 13:06:40 -05:00
parent 87ae77a9cb
commit 15e5d0a5e1
6 changed files with 60 additions and 21 deletions
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25
lib/renderer/g_buffer.rb
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@@ -14,20 +14,20 @@ class IMICFPS
-1.0, -1.0, 0,
1.0, -1.0, 0,
-1.0, 1.0, 0,
-1.0, 1.0, 0,
1.0, -1.0, 0,
1.0, 1.0, 0,
].freeze
@uvs = [
0, 0,
1, 0,
0, 1,
1, 1,
0, 0,
0, 0,
1, 1,
1, 0
0, 1,
1, 0,
1, 1
].freeze
create_framebuffer
@@ -43,7 +43,7 @@ class IMICFPS
end
def create_framebuffer
buffer = ' ' * 8
buffer = ' ' * 4
glGenFramebuffers(1, buffer)
@framebuffer = buffer.unpack('L2').first
@@ -80,17 +80,19 @@ class IMICFPS
def create_textures
@buffers.size.times do |i|
buffer = ' ' * 8
buffer = ' ' * 4
glGenTextures(1, buffer)
texture_id = buffer.unpack('L2').first
@textures[@buffers[i]] = texture_id
glBindTexture(GL_TEXTURE_2D, texture_id)
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB16F, width, height, 0, GL_RGB, GL_FLOAT, nil)
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F, width, height, 0, GL_RGBA, GL_FLOAT, nil)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR)
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + i, GL_TEXTURE_2D, texture_id, 0)
end
buffer = ' ' * 8
buffer = ' ' * 4
glGenTextures(1, buffer)
texture_id = buffer.unpack('L2').first
@textures[:depth] = texture_id
@@ -104,7 +106,7 @@ class IMICFPS
end
def create_screen_vbo
buffer = ' ' * 8
buffer = ' ' * 4
glGenVertexArrays(1, buffer)
@screen_vbo = buffer.unpack('L2').first
@@ -125,6 +127,7 @@ class IMICFPS
glBufferData(GL_ARRAY_BUFFER, @uvs.size * Fiddle::SIZEOF_FLOAT, @uvs.pack("f*"), GL_STATIC_DRAW);
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, nil)
glBindVertexArray(0)
end
def bind_for_writing