Commit 3ea0d16f authored by Dalai Felinto's avatar Dalai Felinto
Browse files

debug routines

parent a5b1f3a3

space_view3d_virtual_reality/opengl_helper.py

+1 −0
Changes for space_view3d_virtual_reality/opengl_helper.py: 1 added line, 0 removed lines.
Original line number Diff line number Diff line
@@ -104,6 +104,7 @@ def update_image(tex_id, viewport, target=GL_RGBA, texture=GL_TEXTURE0): 
    glActiveTexture(texture)

    glBindTexture(GL_TEXTURE_2D, tex_id)

    glCopyTexImage2D(GL_TEXTURE_2D, 0, target, viewport[0], viewport[1], viewport[2], viewport[3], 0)

    glBindTexture(GL_TEXTURE_2D, 0)





def create_image(width, height, target=GL_RGBA):

space_view3d_virtual_reality/sandbox.py

+95 −5
Changes for space_view3d_virtual_reality/sandbox.py: 95 added lines, 5 removed lines.
Original line number Diff line number Diff line
@@ -5,10 +5,13 @@ from bpy.app.handlers import persistent 
TODO = True



from .opengl_helper import (

        calculate_image_size,

        create_framebuffer,

        create_image,

        delete_framebuffer,

        draw_rectangle,

        draw_rectangle_rainbow,

        update_image,

        view_reset,

        view_setup,

        )
@@ -22,6 +25,7 @@ class GLdata: 
        self.fb = -1

        self.rb = -1

        self.size = 0

        self.debug_color_id = 0



global _time

_time = 0
@@ -110,6 +114,7 @@ class VirtualRealitySandboxOperator(bpy.types.Operator): 
            del self._handle



        self._fbo_delete()

        self._debug_texture_delete()



    def _init(self, context, width, height):

        wm = context.window_manager
@@ -123,6 +128,7 @@ class VirtualRealitySandboxOperator(bpy.types.Operator): 
        # initialize opengl data

        self._gl_data = GLdata()

        self._fbo_setup()

        self._debug_texture_setup(context)



    def _fbo_setup(self):

        gl_data = self._gl_data
@@ -201,6 +207,7 @@ class VirtualRealitySandboxOperator(bpy.types.Operator): 
        zer = factor - zer;



        glClearColor(1.0, 1.0, 1.0, 1.0)

        glClearDepth(1.0)

        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)



        glMatrixMode(GL_PROJECTION)
@@ -248,19 +255,48 @@ class VirtualRealitySandboxOperator(bpy.types.Operator): 
        glGetIntegerv(GL_FRAMEBUFFER, act_fbo)



        # setup

        glBindFramebuffer(GL_FRAMEBUFFER, gl_data.fb)



        viewport = Buffer(GL_INT, 4)

        glGetIntegerv(GL_VIEWPORT, viewport)

        glViewport(0, 0, gl_data.size, gl_data.size)



        glBindFramebuffer(GL_FRAMEBUFFER, gl_data.fb)

        glActiveTexture(GL_TEXTURE0)



        # actual drawing

        self._draw_a_quad()

        #self._draw_a_quad()



        glClearColor(1.0, 0.0, 0.0, 1.0)

        glClearDepth(1.0)

        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)



        act_tex = Buffer(GL_INT, 1)

        glGetIntegerv(GL_ACTIVE_TEXTURE, act_tex)



        glDisable(GL_DEPTH_TEST)

        glDepthFunc(GL_LESS)



        # actual drawing

        view_setup()



        glEnable(GL_TEXTURE_2D)

        glActiveTexture(GL_TEXTURE0)

        glBindTexture(GL_TEXTURE_2D, gl_data.debug_color_id)



        draw_rectangle()

        glBindTexture(GL_TEXTURE_2D, act_tex[0])





        glActiveTexture(0)

        glDisable(GL_TEXTURE_2D)

        glDisable(GL_DEPTH_TEST)



        view_reset(viewport)



        # unbinding

        glViewport(viewport[0], viewport[1], viewport[2], viewport[3])

        glBindFramebuffer(GL_FRAMEBUFFER, act_fbo[0])



        glViewport(viewport[0], viewport[1], viewport[2], viewport[3])



    def _fbo_visualize(self):

        """

        draw the FBO in a quad
@@ -357,10 +393,64 @@ class VirtualRealitySandboxOperator(bpy.types.Operator): 
        id_buf.to_list()[0] = gl_data.fb

        glDeleteFramebuffers(1, id_buf)



    def _debug_texture_delete(self):

        gl_data = self._gl_data

        id_buf = Buffer(GL_INT, 1)



        id_buf.to_list()[0] = gl_data.debug_color_id

        glDeleteTextures(1, id_buf)



    def _debug_texture_setup(self, context):

        gl_data = self._gl_data



        width, height = calculate_image_size(context.region.width, context.region.height)

        gl_data.debug_color_id = create_image(width, height)



    def _debug_texture_draw(self):

        gl_data = self._gl_data

        color_id = gl_data.debug_color_id



        act_tex = Buffer(GL_INT, 1)

        glGetIntegerv(GL_ACTIVE_TEXTURE, act_tex)



        # draw a textured quad from viewport image to it 

        viewport = Buffer(GL_INT, 4)

        glGetIntegerv(GL_VIEWPORT, viewport)



        update_image(color_id, viewport, GL_RGBA, GL_TEXTURE0)



        glViewport(600, 200, 256, 256)

        glScissor(600, 200, 256, 256)



        glEnable(GL_DEPTH_TEST)

        glDepthFunc(GL_LESS)



        # actual drawing

        view_setup()



        glEnable(GL_TEXTURE_2D)

        glActiveTexture(GL_TEXTURE0)

        glBindTexture(GL_TEXTURE_2D, gl_data.color_tex)

        glBindTexture(GL_TEXTURE_2D, color_id)



        draw_rectangle()

        glBindTexture(GL_TEXTURE_2D, act_tex[0])





        glActiveTexture(0)

        glDisable(GL_TEXTURE_2D)

        glDisable(GL_DEPTH_TEST)



        view_reset(viewport)



        glViewport(viewport[0], viewport[1], viewport[2], viewport[3])

        glScissor(viewport[0], viewport[1], viewport[2], viewport[3])



    def _draw_callback_px(self, context):

        """core function"""

        self._fbo_visualize()

        self._debug_quad()

        #self._debug_quad()

        self._debug_texture_draw()





# ############################################################