# Generate reference images from unmodified trace.

# We carefully generate images only for desired frames (dropping the
# first frame that draws using textures).

rm_and_mkdir glxsimple-ref
apitrace dump-images --calls=10,31,50,71,87,88 --call-nos=no -o ./glxsimple-ref/ glxsimple.trace

# Trim to the same callset used to generate reference images

apitrace trim --auto -o glxsimple-trim-unused-textures.trace --calls=10,31,50,71,87,88 glxsimple.trace

# Verify that we actually trimmed what we wanted to

apitrace diff --diff=python glxsimple.trace glxsimple-trim-unused-textures.trace
expect r"""  glXChooseVisual(37134976, 0, (GLX_RGBA, GLX_RED_SIZE, GLX_RED_SIZE, GLX_GREEN_SIZE, GLX_RED_SIZE, GLX_BLUE_SIZE, GLX_RED_SIZE, GLX_ALPHA_SIZE, GLX_RED_SIZE, GLX_DOUBLEBUFFER, GLX_DEPTH_SIZE, 24, GLX_STENCIL_SIZE, GLX_RED_SIZE, GLX_X_VISUAL_TYPE, GLX_DIRECT_COLOR, 0)) = ([37179128, 34, 0, 24, 5, 16711680, 65280, 255, 256, 8])
  glXCreateContext(37134976, ([37179128, 34, 0, 24, 5, 16711680, 65280, 255, 256, 8]), 0, True) = 37241648
  glXMakeCurrent(37134976, 41943041, 37241648) = True
  glViewport(0, 0, 64, 64)
  glMatrixMode(GL_PROJECTION)
  glLoadIdentity()
  glOrtho(0.0, 64.0, 64.0, 0.0, 0.0, 1.0)
  glMatrixMode(GL_MODELVIEW)
  glClearColor(0.0, 0.0, 1.0, 1.0)
  glClear((GL_COLOR_BUFFER_BIT))
  glXSwapBuffers(37134976, 41943041)
  glCreateShader(GL_VERTEX_SHADER) = 7
  glShaderSource(7, 1, ('void main()\n{\n        gl_Position = ftransform();\n}\n'), 0)
  glCompileShader(7)
  glCreateShader(GL_FRAGMENT_SHADER) = 8
  glShaderSource(8, 1, ('#version 120\nuniform vec4 color;\nvoid main()\n{\n        gl_FragColor = color;\n}\n'), 0)
  glCompileShader(8)
  glCreateProgram() = 9
  glAttachShader(9, 7)
  glAttachShader(9, 8)
  glLinkProgram(9)
  glUseProgram(9)
  glGetUniformLocation(9, color) = 0
  glUniform4f(0, 0.0, 1.0, 0.0, 1.0)
  glBegin(GL_QUADS)
  glVertex2f(0.0, 0.0)
  glVertex2f(64.0, 0.0)
  glVertex2f(64.0, 64.0)
  glVertex2f(0.0, 64.0)
  glEnd()
  glUseProgram(0)
  glXSwapBuffers(37134976, 41943041)
- glGenTextures(1, (1))
  glBindTexture(GL_TEXTURE_2D, 1)
- glTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGBA, 1, 1, 0, GL_RGB, GL_UNSIGNED_BYTE, blob(3))
  glEnable(GL_TEXTURE_2D)
- glBegin(GL_QUADS)
- glTexCoord2f(0.0, 0.0)
- glVertex2f(0.0, 0.0)
- glTexCoord2f(1.0, 0.0)
- glVertex2f(64.0, 0.0)
- glTexCoord2f(1.0, 1.0)
- glVertex2f(64.0, 64.0)
- glTexCoord2f(0.0, 1.0)
- glVertex2f(0.0, 64.0)
- glEnd()
  glDisable(GL_TEXTURE_2D)
- glXSwapBuffers(37134976, 41943041)
  glClearColor(1.0, 0.0, 0.0, 1.0)
  glClear((GL_COLOR_BUFFER_BIT))
  glXSwapBuffers(37134976, 41943041)
  glCreateShader(GL_VERTEX_SHADER) = 10
  glShaderSource(10, 1, ('void main()\n{\n        gl_Position = ftransform();\n}\n'), 0)
  glCompileShader(10)
  glCreateShader(GL_FRAGMENT_SHADER) = 11
  glShaderSource(11, 1, ('#version 120\nuniform vec4 color;\nvoid main()\n{\n        gl_FragColor = color;\n}\n'), 0)
  glCompileShader(11)
  glCreateProgram() = 12
  glAttachShader(12, 10)
  glAttachShader(12, 11)
  glLinkProgram(12)
  glUseProgram(12)
  glGetUniformLocation(12, color) = 0
  glUniform4f(0, 1.0, 0.0, 1.0, 1.0)
  glBegin(GL_QUADS)
  glVertex2f(0.0, 0.0)
  glVertex2f(64.0, 0.0)
  glVertex2f(64.0, 64.0)
  glVertex2f(0.0, 64.0)
  glEnd()
  glUseProgram(0)
  glXSwapBuffers(37134976, 41943041)
  glGenTextures(1, (2))
  glBindTexture(GL_TEXTURE_2D, 2)
  glTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGBA, 1, 1, 0, GL_RGB, GL_UNSIGNED_BYTE, blob(3))
  glEnable(GL_TEXTURE_2D)
  glBegin(GL_QUADS)
  glTexCoord2f(0.0, 0.0)
  glVertex2f(0.0, 0.0)
  glTexCoord2f(1.0, 0.0)
  glVertex2f(64.0, 0.0)
  glTexCoord2f(1.0, 1.0)
  glVertex2f(64.0, 64.0)
  glTexCoord2f(0.0, 1.0)
  glVertex2f(0.0, 64.0)
  glEnd()
  glDisable(GL_TEXTURE_2D)
  glXSwapBuffers(37134976, 41943041)
  glXDestroyContext(37134976, 37241648)
"""

# Generate output images for all frames in the trimmed trace

rm_and_mkdir glxsimple-out
apitrace dump-images --call-nos=no -o ./glxsimple-out/ glxsimple-trim-unused-textures.trace

# Compare output to reference images

apitrace diff-images -v ./glxsimple-ref ./glxsimple-out
expect r"""Comparing ./glxsimple-ref/0000000000.png and ./glxsimple-out/0000000000.png ... MATCH
Comparing ./glxsimple-ref/0000000001.png and ./glxsimple-out/0000000001.png ... MATCH
Comparing ./glxsimple-ref/0000000002.png and ./glxsimple-out/0000000002.png ... MATCH
Comparing ./glxsimple-ref/0000000003.png and ./glxsimple-out/0000000003.png ... MATCH
Comparing ./glxsimple-ref/0000000004.png and ./glxsimple-out/0000000004.png ... MATCH
"""