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-rwxr-xr-xsrc/gallium/state_trackers/python/tests/texture_sample.py591
1 files changed, 591 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/python/tests/texture_sample.py b/src/gallium/state_trackers/python/tests/texture_sample.py
new file mode 100755
index 0000000000..c7b78abbbe
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/texture_sample.py
@@ -0,0 +1,591 @@
+#!/usr/bin/env python
+##########################################################################
+#
+# Copyright 2009 VMware, Inc.
+# Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+# All Rights Reserved.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sub license, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice (including the
+# next paragraph) shall be included in all copies or substantial portions
+# of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+# IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+# ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+##########################################################################
+
+
+from gallium import *
+from base import *
+
+
+def lods(*dims):
+ size = max(dims)
+ lods = 0
+ while size:
+ lods += 1
+ size >>= 1
+ return lods
+
+
+def minify(dims, level = 1):
+ return [max(dim>>level, 1) for dim in dims]
+
+
+def tex_coords(texture, face, level, zslice):
+ st = [
+ [0.0, 0.0],
+ [1.0, 0.0],
+ [1.0, 1.0],
+ [0.0, 1.0],
+ ]
+
+ if texture.target == PIPE_TEXTURE_2D:
+ return [[s, t, 0.0] for s, t in st]
+ elif texture.target == PIPE_TEXTURE_3D:
+ depth = texture.get_depth(level)
+ if depth > 1:
+ r = float(zslice)/float(depth - 1)
+ else:
+ r = 0.0
+ return [[s, t, r] for s, t in st]
+ elif texture.target == PIPE_TEXTURE_CUBE:
+ result = []
+ for s, t in st:
+ # See http://developer.nvidia.com/object/cube_map_ogl_tutorial.html
+ sc = 2.0*s - 1.0
+ tc = 2.0*t - 1.0
+ if face == PIPE_TEX_FACE_POS_X:
+ rx = 1.0
+ ry = -tc
+ rz = -sc
+ if face == PIPE_TEX_FACE_NEG_X:
+ rx = -1.0
+ ry = -tc
+ rz = sc
+ if face == PIPE_TEX_FACE_POS_Y:
+ rx = sc
+ ry = 1.0
+ rz = tc
+ if face == PIPE_TEX_FACE_NEG_Y:
+ rx = sc
+ ry = -1.0
+ rz = -tc
+ if face == PIPE_TEX_FACE_POS_Z:
+ rx = sc
+ ry = -tc
+ rz = 1.0
+ if face == PIPE_TEX_FACE_NEG_Z:
+ rx = -sc
+ ry = -tc
+ rz = -1.0
+ result.append([rx, ry, rz])
+ return result
+
+def is_pot(n):
+ return n & (n - 1) == 0
+
+
+class TextureColorSampleTest(TestCase):
+
+ tags = (
+ 'target',
+ 'format',
+ 'width',
+ 'height',
+ 'depth',
+ 'last_level',
+ 'face',
+ 'level',
+ 'zslice',
+ )
+
+ def test(self):
+ dev = self.dev
+
+ target = self.target
+ format = self.format
+ width = self.width
+ height = self.height
+ depth = self.depth
+ last_level = self.last_level
+ face = self.face
+ level = self.level
+ zslice = self.zslice
+
+ tex_usage = PIPE_TEXTURE_USAGE_SAMPLER
+ geom_flags = 0
+ if width != height:
+ geom_flags |= PIPE_TEXTURE_GEOM_NON_SQUARE
+ if not is_pot(width) or not is_pot(height) or not is_pot(depth):
+ geom_flags |= PIPE_TEXTURE_GEOM_NON_POWER_OF_TWO
+
+ if not dev.is_format_supported(format, target, tex_usage, geom_flags):
+ raise TestSkip
+
+ ctx = self.dev.context_create()
+
+ # disabled blending/masking
+ blend = Blend()
+ blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE
+ blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE
+ blend.rgb_dst_factor = PIPE_BLENDFACTOR_ZERO
+ blend.alpha_dst_factor = PIPE_BLENDFACTOR_ZERO
+ blend.colormask = PIPE_MASK_RGBA
+ ctx.set_blend(blend)
+
+ # no-op depth/stencil/alpha
+ depth_stencil_alpha = DepthStencilAlpha()
+ ctx.set_depth_stencil_alpha(depth_stencil_alpha)
+
+ # rasterizer
+ rasterizer = Rasterizer()
+ rasterizer.front_winding = PIPE_WINDING_CW
+ rasterizer.cull_mode = PIPE_WINDING_NONE
+ rasterizer.bypass_vs_clip_and_viewport = 1
+ ctx.set_rasterizer(rasterizer)
+
+ # samplers
+ sampler = Sampler()
+ sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE
+ sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE
+ sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE
+ sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NEAREST
+ sampler.min_img_filter = PIPE_TEX_MIPFILTER_NEAREST
+ sampler.mag_img_filter = PIPE_TEX_MIPFILTER_NEAREST
+ sampler.normalized_coords = 1
+ sampler.min_lod = 0
+ sampler.max_lod = PIPE_MAX_TEXTURE_LEVELS - 1
+ ctx.set_sampler(0, sampler)
+
+ # texture
+ texture = dev.texture_create(
+ target = target,
+ format = format,
+ width = width,
+ height = height,
+ depth = depth,
+ last_level = last_level,
+ tex_usage = tex_usage,
+ )
+
+ expected_rgba = FloatArray(height*width*4)
+ texture.get_surface(
+ face = face,
+ level = level,
+ zslice = zslice,
+ ).sample_rgba(expected_rgba)
+
+ ctx.set_sampler_texture(0, texture)
+
+ # framebuffer
+ cbuf_tex = dev.texture_create(
+ PIPE_FORMAT_A8R8G8B8_UNORM,
+ width,
+ height,
+ tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET,
+ )
+
+ cbuf = cbuf_tex.get_surface()
+ fb = Framebuffer()
+ fb.width = width
+ fb.height = height
+ fb.nr_cbufs = 1
+ fb.set_cbuf(0, cbuf)
+ ctx.set_framebuffer(fb)
+ rgba = FloatArray(4);
+ rgba[0] = 0.5
+ rgba[1] = 0.5
+ rgba[2] = 0.5
+ rgba[3] = 0.5
+ ctx.clear(PIPE_CLEAR_COLOR, rgba, 0.0, 0)
+ del fb
+
+ # vertex shader
+ vs = Shader('''
+ VERT1.1
+ DCL IN[0], POSITION, CONSTANT
+ DCL IN[1], GENERIC, CONSTANT
+ DCL OUT[0], POSITION, CONSTANT
+ DCL OUT[1], GENERIC, CONSTANT
+ 0:MOV OUT[0], IN[0]
+ 1:MOV OUT[1], IN[1]
+ 2:END
+ ''')
+ #vs.dump()
+ ctx.set_vertex_shader(vs)
+
+ # fragment shader
+ op = {
+ PIPE_TEXTURE_1D: "1D",
+ PIPE_TEXTURE_2D: "2D",
+ PIPE_TEXTURE_3D: "3D",
+ PIPE_TEXTURE_CUBE: "CUBE",
+ }[target]
+ fs = Shader('''
+ FRAG1.1
+ DCL IN[0], GENERIC[0], LINEAR
+ DCL OUT[0], COLOR, CONSTANT
+ DCL SAMP[0], CONSTANT
+ 0:TEX OUT[0], IN[0], SAMP[0], %s
+ 1:END
+ ''' % op)
+ #fs.dump()
+ ctx.set_fragment_shader(fs)
+
+ nverts = 4
+ nattrs = 2
+ verts = FloatArray(nverts * nattrs * 4)
+
+ x = 0
+ y = 0
+ w, h = minify((width, height), level)
+
+ pos = [
+ [x, y],
+ [x+w, y],
+ [x+w, y+h],
+ [x, y+h],
+ ]
+
+ tex = tex_coords(texture, face, level, zslice)
+
+ for i in range(0, 4):
+ j = 8*i
+ verts[j + 0] = pos[i][0] # x
+ verts[j + 1] = pos[i][1] # y
+ verts[j + 2] = 0.0 # z
+ verts[j + 3] = 1.0 # w
+ verts[j + 4] = tex[i][0] # s
+ verts[j + 5] = tex[i][1] # r
+ verts[j + 6] = tex[i][2] # q
+ verts[j + 7] = 1.0
+
+ ctx.draw_vertices(PIPE_PRIM_TRIANGLE_FAN,
+ nverts,
+ nattrs,
+ verts)
+
+ ctx.flush()
+
+ cbuf = cbuf_tex.get_surface()
+
+ self.assert_rgba(cbuf, x, y, w, h, expected_rgba, 4.0/256, 0.85)
+
+
+class TextureDepthSampleTest(TestCase):
+
+ tags = (
+ 'target',
+ 'format',
+ 'width',
+ 'height',
+ 'depth',
+ 'last_level',
+ 'face',
+ 'level',
+ 'zslice',
+ )
+
+ def test(self):
+ dev = self.dev
+
+ target = self.target
+ format = self.format
+ width = self.width
+ height = self.height
+ depth = self.depth
+ last_level = self.last_level
+ face = self.face
+ level = self.level
+ zslice = self.zslice
+
+ tex_usage = PIPE_TEXTURE_USAGE_SAMPLER
+ geom_flags = 0
+ if width != height:
+ geom_flags |= PIPE_TEXTURE_GEOM_NON_SQUARE
+ if not is_pot(width) or not is_pot(height) or not is_pot(depth):
+ geom_flags |= PIPE_TEXTURE_GEOM_NON_POWER_OF_TWO
+
+ if not dev.is_format_supported(format, target, tex_usage, geom_flags):
+ raise TestSkip
+
+ ctx = self.dev.context_create()
+
+ # disabled blending/masking
+ blend = Blend()
+ blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE
+ blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE
+ blend.rgb_dst_factor = PIPE_BLENDFACTOR_ZERO
+ blend.alpha_dst_factor = PIPE_BLENDFACTOR_ZERO
+ blend.colormask = PIPE_MASK_RGBA
+ ctx.set_blend(blend)
+
+ # depth/stencil/alpha
+ depth_stencil_alpha = DepthStencilAlpha()
+ depth_stencil_alpha.depth.enabled = 1
+ depth_stencil_alpha.depth.writemask = 1
+ depth_stencil_alpha.depth.func = PIPE_FUNC_LESS
+ ctx.set_depth_stencil_alpha(depth_stencil_alpha)
+
+ # rasterizer
+ rasterizer = Rasterizer()
+ rasterizer.front_winding = PIPE_WINDING_CW
+ rasterizer.cull_mode = PIPE_WINDING_NONE
+ rasterizer.bypass_vs_clip_and_viewport = 1
+ ctx.set_rasterizer(rasterizer)
+
+ # samplers
+ sampler = Sampler()
+ sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE
+ sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE
+ sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE
+ sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NEAREST
+ sampler.min_img_filter = PIPE_TEX_MIPFILTER_NEAREST
+ sampler.mag_img_filter = PIPE_TEX_MIPFILTER_NEAREST
+ sampler.normalized_coords = 1
+ sampler.min_lod = 0
+ sampler.max_lod = PIPE_MAX_TEXTURE_LEVELS - 1
+ ctx.set_sampler(0, sampler)
+
+ # texture
+ texture = dev.texture_create(
+ target = target,
+ format = format,
+ width = width,
+ height = height,
+ depth = depth,
+ last_level = last_level,
+ tex_usage = tex_usage,
+ )
+
+ expected_rgba = FloatArray(height*width*4)
+ texture.get_surface(
+ face = face,
+ level = level,
+ zslice = zslice,
+ ).sample_rgba(expected_rgba)
+
+ ctx.set_sampler_texture(0, texture)
+
+ # framebuffer
+ cbuf_tex = dev.texture_create(
+ PIPE_FORMAT_A8R8G8B8_UNORM,
+ width,
+ height,
+ tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET,
+ )
+
+ zsbuf_tex = dev.texture_create(
+ PIPE_FORMAT_Z24X8_UNORM,
+ width,
+ height,
+ tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET,
+ )
+
+ cbuf = cbuf_tex.get_surface()
+ zsbuf = zsbuf_tex.get_surface()
+ fb = Framebuffer()
+ fb.width = width
+ fb.height = height
+ fb.nr_cbufs = 1
+ fb.set_cbuf(0, cbuf)
+ fb.set_zsbuf(zsbuf)
+ ctx.set_framebuffer(fb)
+ rgba = FloatArray(4);
+ rgba[0] = 0.5
+ rgba[1] = 0.5
+ rgba[2] = 0.5
+ rgba[3] = 0.5
+ ctx.clear(PIPE_CLEAR_DEPTHSTENCIL, rgba, 1.0, 0)
+ del fb
+
+ # vertex shader
+ vs = Shader('''
+ VERT1.1
+ DCL IN[0], POSITION, CONSTANT
+ DCL IN[1], GENERIC, CONSTANT
+ DCL OUT[0], POSITION, CONSTANT
+ DCL OUT[1], GENERIC, CONSTANT
+ 0:MOV OUT[0], IN[0]
+ 1:MOV OUT[1], IN[1]
+ 2:END
+ ''')
+ #vs.dump()
+ ctx.set_vertex_shader(vs)
+
+ # fragment shader
+ op = {
+ PIPE_TEXTURE_1D: "1D",
+ PIPE_TEXTURE_2D: "2D",
+ PIPE_TEXTURE_3D: "3D",
+ PIPE_TEXTURE_CUBE: "CUBE",
+ }[target]
+ fs = Shader('''
+ FRAG1.1
+ DCL IN[0], GENERIC[0], LINEAR
+ DCL SAMP[0], CONSTANT
+ DCL OUT[0].z, POSITION
+ 0:TEX OUT[0].z, IN[0], SAMP[0], %s
+ 1:END
+ ''' % op)
+ #fs.dump()
+ ctx.set_fragment_shader(fs)
+
+ nverts = 4
+ nattrs = 2
+ verts = FloatArray(nverts * nattrs * 4)
+
+ x = 0
+ y = 0
+ w, h = minify((width, height), level)
+
+ pos = [
+ [x, y],
+ [x+w, y],
+ [x+w, y+h],
+ [x, y+h],
+ ]
+
+ tex = tex_coords(texture, face, level, zslice)
+
+ for i in range(0, 4):
+ j = 8*i
+ verts[j + 0] = pos[i][0] # x
+ verts[j + 1] = pos[i][1] # y
+ verts[j + 2] = 0.0 # z
+ verts[j + 3] = 1.0 # w
+ verts[j + 4] = tex[i][0] # s
+ verts[j + 5] = tex[i][1] # r
+ verts[j + 6] = tex[i][2] # q
+ verts[j + 7] = 1.0
+
+ ctx.draw_vertices(PIPE_PRIM_TRIANGLE_FAN,
+ nverts,
+ nattrs,
+ verts)
+
+ ctx.flush()
+
+ zsbuf = zsbuf_tex.get_surface()
+
+ self.assert_rgba(zsbuf, x, y, w, h, expected_rgba, 4.0/256, 0.85)
+
+
+
+
+def main():
+ dev = Device()
+ suite = TestSuite()
+
+ targets = [
+ PIPE_TEXTURE_2D,
+ PIPE_TEXTURE_CUBE,
+ PIPE_TEXTURE_3D,
+ ]
+
+ color_formats = [
+ PIPE_FORMAT_A8R8G8B8_UNORM,
+ PIPE_FORMAT_X8R8G8B8_UNORM,
+ #PIPE_FORMAT_A8R8G8B8_SRGB,
+ PIPE_FORMAT_R5G6B5_UNORM,
+ PIPE_FORMAT_A1R5G5B5_UNORM,
+ PIPE_FORMAT_A4R4G4B4_UNORM,
+ PIPE_FORMAT_A8_UNORM,
+ PIPE_FORMAT_L8_UNORM,
+ PIPE_FORMAT_YCBCR,
+ PIPE_FORMAT_DXT1_RGB,
+ #PIPE_FORMAT_DXT1_RGBA,
+ #PIPE_FORMAT_DXT3_RGBA,
+ #PIPE_FORMAT_DXT5_RGBA,
+ ]
+
+ depth_formats = [
+ PIPE_FORMAT_Z32_UNORM,
+ PIPE_FORMAT_Z24S8_UNORM,
+ PIPE_FORMAT_Z24X8_UNORM,
+ PIPE_FORMAT_Z16_UNORM,
+ ]
+
+ sizes = [64, 32, 16, 8, 4, 2, 1]
+ #sizes = [1020, 508, 252, 62, 30, 14, 6, 3]
+ #sizes = [64]
+ #sizes = [63]
+
+ faces = [
+ PIPE_TEX_FACE_POS_X,
+ PIPE_TEX_FACE_NEG_X,
+ PIPE_TEX_FACE_POS_Y,
+ PIPE_TEX_FACE_NEG_Y,
+ PIPE_TEX_FACE_POS_Z,
+ PIPE_TEX_FACE_NEG_Z,
+ ]
+
+ for format in color_formats:
+ for target in targets:
+ for size in sizes:
+ if target == PIPE_TEXTURE_3D:
+ depth = size
+ else:
+ depth = 1
+ for face in faces:
+ if target != PIPE_TEXTURE_CUBE and face:
+ continue
+ levels = lods(size)
+ for last_level in range(levels):
+ for level in range(0, last_level + 1):
+ zslice = 0
+ while zslice < depth >> level:
+ test = TextureColorSampleTest(
+ dev = dev,
+ target = target,
+ format = format,
+ width = size,
+ height = size,
+ depth = depth,
+ last_level = last_level,
+ face = face,
+ level = level,
+ zslice = zslice,
+ )
+ suite.add_test(test)
+ zslice = (zslice + 1)*2 - 1
+ for format in depth_formats:
+ target = PIPE_TEXTURE_2D
+ depth = 1
+ face = 0
+ last_level = 0
+ level = 0
+ zslice = 0
+ for size in sizes:
+ test = TextureDepthSampleTest(
+ dev = dev,
+ target = target,
+ format = format,
+ width = size,
+ height = size,
+ depth = depth,
+ last_level = last_level,
+ face = face,
+ level = level,
+ zslice = zslice,
+ )
+ suite.add_test(test)
+ suite.run()
+
+
+if __name__ == '__main__':
+ main()
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-01 07:13:48 +0000