diff options
Diffstat (limited to 'src/gallium/state_trackers/python')
| -rwxr-xr-x | src/gallium/state_trackers/python/tests/texture_sample.py | 223 |
1 files changed, 216 insertions, 7 deletions
diff --git a/src/gallium/state_trackers/python/tests/texture_sample.py b/src/gallium/state_trackers/python/tests/texture_sample.py index a382424667c..06130ea1c9c 100755 --- a/src/gallium/state_trackers/python/tests/texture_sample.py +++ b/src/gallium/state_trackers/python/tests/texture_sample.py @@ -99,7 +99,7 @@ def is_pot(n): return n & (n - 1) == 0 -class TextureTest(TestCase): +class TextureColorSampleTest(TestCase): tags = ( 'target', @@ -286,6 +286,206 @@ class TextureTest(TestCase): 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() @@ -304,11 +504,10 @@ def main(): PIPE_FORMAT_R5G6B5_UNORM, PIPE_FORMAT_A1R5G5B5_UNORM, PIPE_FORMAT_A4R4G4B4_UNORM, - #PIPE_FORMAT_Z32_UNORM, - #PIPE_FORMAT_Z24S8_UNORM, - #PIPE_FORMAT_Z24X8_UNORM, - #PIPE_FORMAT_Z16_UNORM, - #PIPE_FORMAT_S8_UNORM, + PIPE_FORMAT_Z32_UNORM, + PIPE_FORMAT_Z24S8_UNORM, + PIPE_FORMAT_Z24X8_UNORM, + PIPE_FORMAT_Z16_UNORM, PIPE_FORMAT_A8_UNORM, PIPE_FORMAT_L8_UNORM, PIPE_FORMAT_YCBCR, @@ -347,7 +546,17 @@ def main(): for level in range(0, last_level + 1): zslice = 0 while zslice < depth >> level: - test = TextureTest( + if format in ( + PIPE_FORMAT_Z32_UNORM, + PIPE_FORMAT_Z24S8_UNORM, + PIPE_FORMAT_Z24X8_UNORM, + PIPE_FORMAT_Z16_UNORM, + ): + klass = TextureDepthSampleTest + else: + klass = TextureColorSampleTest + + test = klass( dev = dev, target = target, format = format, |