José Fonseca
383 lines
12 KiB
Python
383 lines
12 KiB
Python
#!/usr/bin/env python
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##########################################################################
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#
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# Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
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# All Rights Reserved.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sub license, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice (including the
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# next paragraph) shall be included in all copies or substantial portions
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# of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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# IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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# ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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##########################################################################
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import sys
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from gallium import *
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from base import *
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def lods(*dims):
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size = max(dims)
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lods = 0
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while size:
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lods += 1
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size >>= 1
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return lods
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def minify(dims, level = 1):
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return [max(dim>>level, 1) for dim in dims]
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def tex_coords(texture, face, level, zslice):
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st = [
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[0.0, 0.0],
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[1.0, 0.0],
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[1.0, 1.0],
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[0.0, 1.0],
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]
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if texture.target == PIPE_TEXTURE_2D:
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return [[s, t, 0.0] for s, t in st]
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elif texture.target == PIPE_TEXTURE_3D:
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depth = texture.get_depth(level)
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if depth > 1:
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r = float(zslice)/float(depth - 1)
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else:
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r = 0.0
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return [[s, t, r] for s, t in st]
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elif texture.target == PIPE_TEXTURE_CUBE:
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result = []
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for s, t in st:
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# See http://developer.nvidia.com/object/cube_map_ogl_tutorial.html
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sc = 2.0*s - 1.0
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tc = 2.0*t - 1.0
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if face == PIPE_TEX_FACE_POS_X:
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rx = 1.0
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ry = -tc
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rz = -sc
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if face == PIPE_TEX_FACE_NEG_X:
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rx = -1.0
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ry = -tc
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rz = sc
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if face == PIPE_TEX_FACE_POS_Y:
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rx = sc
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ry = 1.0
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rz = tc
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if face == PIPE_TEX_FACE_NEG_Y:
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rx = sc
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ry = -1.0
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rz = -tc
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if face == PIPE_TEX_FACE_POS_Z:
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rx = sc
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ry = -tc
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rz = 1.0
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if face == PIPE_TEX_FACE_NEG_Z:
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rx = -sc
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ry = -tc
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rz = -1.0
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result.append([rx, ry, rz])
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return result
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class TextureTest(TestCase):
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def description(self):
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target = {
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PIPE_TEXTURE_1D: "1d",
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PIPE_TEXTURE_2D: "2d",
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PIPE_TEXTURE_3D: "3d",
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PIPE_TEXTURE_CUBE: "cube",
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}[self.target]
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format = formats[self.format]
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if self.target == PIPE_TEXTURE_CUBE:
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face = {
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PIPE_TEX_FACE_POS_X: "+x",
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PIPE_TEX_FACE_NEG_X: "-x",
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PIPE_TEX_FACE_POS_Y: "+y",
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PIPE_TEX_FACE_NEG_Y: "-y",
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PIPE_TEX_FACE_POS_Z: "+z",
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PIPE_TEX_FACE_NEG_Z: "-z",
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}[self.face]
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else:
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face = ""
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return "%s %s %ux%ux%u last_level=%u face=%s level=%u zslice=%u" % (
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target, format,
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self.width, self.height, self.depth, self.last_level,
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face, self.level, self.zslice,
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)
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def test(self):
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dev = self.dev
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target = self.target
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format = self.format
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width = self.width
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height = self.height
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depth = self.depth
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last_level = self.last_level
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face = self.face
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level = self.level
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zslice = self.zslice
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if not dev.is_format_supported(format, PIPE_TEXTURE):
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raise TestSkip
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ctx = self.dev.context_create()
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# disabled blending/masking
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blend = Blend()
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blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE
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blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE
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blend.rgb_dst_factor = PIPE_BLENDFACTOR_ZERO
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blend.alpha_dst_factor = PIPE_BLENDFACTOR_ZERO
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blend.colormask = PIPE_MASK_RGBA
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ctx.set_blend(blend)
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# no-op depth/stencil/alpha
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depth_stencil_alpha = DepthStencilAlpha()
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ctx.set_depth_stencil_alpha(depth_stencil_alpha)
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# rasterizer
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rasterizer = Rasterizer()
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rasterizer.front_winding = PIPE_WINDING_CW
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rasterizer.cull_mode = PIPE_WINDING_NONE
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rasterizer.bypass_clipping = 1
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#rasterizer.bypass_vs = 1
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ctx.set_rasterizer(rasterizer)
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# viewport (identity, we setup vertices in wincoords)
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viewport = Viewport()
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scale = FloatArray(4)
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scale[0] = 1.0
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scale[1] = 1.0
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scale[2] = 1.0
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scale[3] = 1.0
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viewport.scale = scale
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translate = FloatArray(4)
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translate[0] = 0.0
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translate[1] = 0.0
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translate[2] = 0.0
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translate[3] = 0.0
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viewport.translate = translate
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ctx.set_viewport(viewport)
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# samplers
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sampler = Sampler()
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sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE
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sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE
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sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE
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sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NEAREST
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sampler.min_img_filter = PIPE_TEX_MIPFILTER_NEAREST
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sampler.mag_img_filter = PIPE_TEX_MIPFILTER_NEAREST
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sampler.normalized_coords = 1
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sampler.min_lod = 0
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sampler.max_lod = PIPE_MAX_TEXTURE_LEVELS - 1
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ctx.set_sampler(0, sampler)
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# texture
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texture = dev.texture_create(
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target = target,
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format = format,
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width = width,
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height = height,
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depth = depth,
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last_level = last_level,
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)
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expected_rgba = FloatArray(height*width*4)
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texture.get_surface(
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usage = PIPE_BUFFER_USAGE_CPU_READ|PIPE_BUFFER_USAGE_CPU_WRITE,
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face = face,
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level = level,
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zslice = zslice,
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).sample_rgba(expected_rgba)
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ctx.set_sampler_texture(0, texture)
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# framebuffer
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cbuf_tex = dev.texture_create(PIPE_FORMAT_A8R8G8B8_UNORM,
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width,
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height,
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usage = PIPE_TEXTURE_USAGE_RENDER_TARGET)
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cbuf = cbuf_tex.get_surface(usage = PIPE_BUFFER_USAGE_GPU_WRITE|PIPE_BUFFER_USAGE_GPU_READ)
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fb = Framebuffer()
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fb.width = width
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fb.height = height
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fb.num_cbufs = 1
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fb.set_cbuf(0, cbuf)
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ctx.set_framebuffer(fb)
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ctx.surface_clear(cbuf, 0x00000000)
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del fb
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# vertex shader
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vs = Shader('''
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VERT1.1
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DCL IN[0], POSITION, CONSTANT
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DCL IN[1], GENERIC, CONSTANT
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DCL OUT[0], POSITION, CONSTANT
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DCL OUT[1], GENERIC, CONSTANT
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0:MOV OUT[0], IN[0]
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1:MOV OUT[1], IN[1]
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2:END
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''')
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#vs.dump()
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ctx.set_vertex_shader(vs)
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# fragment shader
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op = {
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PIPE_TEXTURE_1D: "1D",
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PIPE_TEXTURE_2D: "2D",
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PIPE_TEXTURE_3D: "3D",
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PIPE_TEXTURE_CUBE: "CUBE",
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}[target]
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fs = Shader('''
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FRAG1.1
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DCL IN[0], GENERIC[0], LINEAR
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DCL OUT[0], COLOR, CONSTANT
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DCL SAMP[0], CONSTANT
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0:TEX OUT[0], IN[0], SAMP[0], %s
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1:END
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''' % op)
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#fs.dump()
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ctx.set_fragment_shader(fs)
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nverts = 4
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nattrs = 2
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verts = FloatArray(nverts * nattrs * 4)
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x = 0
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y = 0
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w, h = minify((width, height), level)
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pos = [
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[x, y],
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[x+w, y],
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[x+w, y+h],
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[x, y+h],
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]
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tex = tex_coords(texture, face, level, zslice)
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for i in range(0, 4):
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j = 8*i
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verts[j + 0] = pos[i][0] # x
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verts[j + 1] = pos[i][1] # y
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verts[j + 2] = 0.0 # z
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verts[j + 3] = 1.0 # w
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verts[j + 4] = tex[i][0] # s
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verts[j + 5] = tex[i][1] # r
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verts[j + 6] = tex[i][2] # q
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verts[j + 7] = 1.0
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ctx.draw_vertices(PIPE_PRIM_TRIANGLE_FAN,
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nverts,
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nattrs,
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verts)
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ctx.flush()
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cbuf = cbuf_tex.get_surface(usage = PIPE_BUFFER_USAGE_CPU_READ)
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total = h*w
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different = cbuf.compare_tile_rgba(x, y, w, h, expected_rgba, tol=4.0/256)
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if different:
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sys.stderr.write("%u out of %u pixels differ\n" % (different, total))
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if float(total - different)/float(total) < 0.85:
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if 0:
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rgba = FloatArray(h*w*4)
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cbuf.get_tile_rgba(x, y, w, h, rgba)
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show_image(w, h, Result=rgba, Expected=expected_rgba)
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save_image(w, h, rgba, "result.png")
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save_image(w, h, expected_rgba, "expected.png")
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#sys.exit(0)
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raise TestFailure
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del ctx
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def main():
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dev = Device()
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suite = TestSuite()
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targets = []
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targets += [PIPE_TEXTURE_2D]
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targets += [PIPE_TEXTURE_CUBE]
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targets += [PIPE_TEXTURE_3D]
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formats = []
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formats += [PIPE_FORMAT_A8R8G8B8_UNORM]
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formats += [PIPE_FORMAT_R5G6B5_UNORM]
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formats += [PIPE_FORMAT_L8_UNORM]
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formats += [PIPE_FORMAT_YCBCR]
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formats += [PIPE_FORMAT_DXT1_RGB]
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sizes = [64, 32, 16, 8, 4, 2, 1]
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#sizes = [1020, 508, 252, 62, 30, 14, 6, 3]
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#sizes = [64]
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#sizes = [63]
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for target in targets:
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for format in formats:
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for size in sizes:
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if target == PIPE_TEXTURE_CUBE:
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faces = [
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PIPE_TEX_FACE_POS_X,
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PIPE_TEX_FACE_NEG_X,
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PIPE_TEX_FACE_POS_Y,
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PIPE_TEX_FACE_NEG_Y,
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PIPE_TEX_FACE_POS_Z,
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PIPE_TEX_FACE_NEG_Z,
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]
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#faces = [PIPE_TEX_FACE_NEG_X]
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else:
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faces = [0]
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if target == PIPE_TEXTURE_3D:
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depth = size
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else:
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depth = 1
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for face in faces:
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levels = lods(size)
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for last_level in range(levels):
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for level in range(0, last_level + 1):
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for zslice in range(0, depth >> level):
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test = TextureTest(
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dev = dev,
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target = target,
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format = format,
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width = size,
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height = size,
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depth = depth,
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last_level = last_level,
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face = face,
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level = level,
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zslice = zslice,
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)
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suite.add_test(test)
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suite.run()
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if __name__ == '__main__':
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main()
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