def initializeGL(self):
try:
GL.Init()
GL.Viewport(0, 0, context['width'], context['height'])
vert = GL.NewVertexShader('''
#version 330
in vec2 vert;
out vec2 tex_coord;
uniform vec2 scale;
uniform float rotation;
void main() {
mat2 rot = mat2(cos(rotation), sin(rotation), -sin(rotation), cos(rotation));
gl_Position = vec4((rot * vert) * scale, 0.0, 1.0);
tex_coord = vert;
}
''')
frag = GL.NewFragmentShader('''
#version 330
uniform sampler2D texture;
in vec2 tex_coord;
out vec4 color;
void main() {
color = vec4(texture2D(texture, tex_coord).rgb, 1.0);
}
''')
prog = GL.NewProgram([vert, frag])
context['rotation'] = prog['rotation']
vbo = GL.NewVertexBuffer(
struct.pack('6f', 1.0, 0.0, -0.5, 0.86, -0.5, -0.86))
context['vao'] = GL.NewVertexArray(prog, vbo, '2f', ['vert'])
GL.SetUniform(prog['scale'],
context['height'] / context['width'] * 0.75, 0.75)
tex = GL.NewTexture(256, 256,
Image.open('../DataFiles/Noise.jpg').tobytes())
GL.UseTexture(tex)
except GL.Error as error:
print(error)
exit(1)
in vec2 tex_coord;
out vec4 color;
void main() {
color = vec4(texture2D(texture, tex_coord).rgb, 1.0);
}
''')
prog = GL.NewProgram([vert, frag])
vbo = GL.NewVertexBuffer(struct.pack('6f', 1.0, 0.0, -0.5, 0.86, -0.5, -0.86))
vao = GL.NewVertexArray(prog, vbo, '2f', ['vert'])
GL.SetUniform(prog['scale'], height / width * 0.75, 0.75)
tex = GL.NewTexture(256, 256, Image.open('../DataFiles/Noise.jpg').tobytes())
GL.UseTexture(tex)
running = True
while running:
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False
GL.Clear(240, 240, 240)
GL.SetUniform(prog['rotation'], time.time() - start)
GL.RenderTriangles(vao, 3)
pygame.display.flip()
pygame.time.wait(10)
vao = GL.NewVertexArray(grass_prog, vbo, '3f3f3f1f1f',
['vert', 'direction', 'color', 'thickness', 'power'],
ibo)
ssao_vbo = GL.NewVertexBuffer(
struct.pack('8f', 0.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0))
ssao_vao = GL.NewVertexArray(ssao_prog, ssao_vbo, '2f', ['vert'])
ubo = GL.NewUniformBuffer(b''.join(struct.pack('2f', x, y) for x, y in kernel))
fbo, color, depth = GL.NewFramebuffer()
GL.SetUniform(grass_prog['mat'], struct.pack('16f', *camera))
GL.SetUniform(ssao_prog['texture'], 0)
GL.SetUniform(ssao_prog['depth'], 1)
GL.UseUniformBuffer(ubo, ssao_prog['Kernel'])
while WND.Update():
GL.UseFramebuffer(fbo)
GL.EnableDepthTest()
GL.Clear(0, 0, 0)
GL.RenderTriangleStrip(vao, 1000 * 8)
GL.UseFramebuffer(GL.SCREEN)
GL.DisableDepthTest()
GL.UseTexture(color, 0)
GL.UseTexture(depth, 1)
GL.RenderTriangleStrip(ssao_vao, 4)
GL.RenderLineStrip() GL.RenderLines() GL.RenderPoints() GL.RenderTriangleFan() GL.RenderTriangleStrip() GL.RenderTriangles() GL.RenderLinesAdjacency() GL.RenderLineStripAdjacency() GL.RenderTrianglesAdjacency() GL.RenderTriangleStripAdjacency() GL.SetTextureFiltered() GL.SetTextureMipmapped() GL.SetTexturePixelated() GL.SetUniform() GL.SetUniformMatrix() # GL.UpdateIndexBuffer() # GL.UpdateTexture() # GL.UpdateUniformBuffer() # GL.UpdateVertexBuffer() GL.UseDefaultFramebuffer() GL.UseFramebuffer() GL.UseTexture() GL.UseTextureAsImage() GL.UseUniformBuffer() GL.Viewport()
