python/regress: Initial commit for vertex shader regression tests.

5 files changed, 280 insertions, 0 deletions

diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-abs.txt b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-abs.txt
new file mode 100644
index 0000000000..66c1986cef
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-abs.txt
@@ -0,0 +1,11 @@
+VERT1.1
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+DCL TEMP[0]
+IMM FLT32 { 0.2, 0.2, 0.0, 0.0 }
+ADD TEMP[0], IN[0], IMM[0]
+ABS OUT[0], TEMP[0]
+MOV OUT[1], IN[1]
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-add.txt b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-add.txt
new file mode 100644
index 0000000000..78753b76d8
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-add.txt
@@ -0,0 +1,9 @@
+VERT1.1
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+IMM FLT32 { 0.2, -0.1, 0.0, 0.0 }
+ADD OUT[0], IN[0], IMM[0]
+MOV OUT[1], IN[1]
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-dp3.txt b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-dp3.txt
new file mode 100644
index 0000000000..e4c1c4a9b3
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-dp3.txt
@@ -0,0 +1,12 @@
+VERT1.1
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+DCL TEMP[0]
+IMM FLT32 { 0.0, 0.0, 1.0, 1.0 }
+DP3 TEMP[0].xy, IN[0], IN[0]
+MOV TEMP[0].zw, IMM[0]
+MUL OUT[0], IN[0], TEMP[0]
+MOV OUT[1], IN[1]
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-mov.txt b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-mov.txt
new file mode 100644
index 0000000000..12712ff859
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-mov.txt
@@ -0,0 +1,8 @@
+VERT1.1
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+MOV OUT[0], IN[0]
+MOV OUT[1], IN[1]
+END
diff --git a/src/gallium/state_trackers/python/tests/regress/vertex-shader/vertex-shader.py b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vertex-shader.py
new file mode 100644
index 0000000000..92ff205309
--- /dev/null
+++ b/src/gallium/state_trackers/python/tests/regress/vertex-shader/vertex-shader.py
@@ -0,0 +1,240 @@
+#!/usr/bin/env python
+##########################################################################
+# 
+# Copyright 2009 VMware, Inc.
+# 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 *
+
+def make_image(surface):
+    data = surface.get_tile_rgba8(0, 0, surface.width, surface.height)
+
+    import Image
+    outimage = Image.fromstring('RGBA', (surface.width, surface.height), data, "raw", 'RGBA', 0, 1)
+    return outimage
+
+def save_image(filename, surface):
+    outimage = make_image(surface)
+    outimage.save(filename, "PNG")
+
+def test(dev, name):
+    ctx = dev.context_create()
+
+    width = 320
+    height = 320
+    minz = 0.0
+    maxz = 1.0
+
+    # 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.scissor = 1
+    ctx.set_rasterizer(rasterizer)
+
+    # viewport
+    viewport = Viewport()
+    scale = FloatArray(4)
+    scale[0] = width / 2.0
+    scale[1] = -height / 2.0
+    scale[2] = (maxz - minz) / 2.0
+    scale[3] = 1.0
+    viewport.scale = scale
+    translate = FloatArray(4)
+    translate[0] = width / 2.0
+    translate[1] = height / 2.0
+    translate[2] = (maxz - minz) / 2.0
+    translate[3] = 0.0
+    viewport.translate = translate
+    ctx.set_viewport(viewport)
+
+    # 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_NONE
+    sampler.min_img_filter = PIPE_TEX_MIPFILTER_NEAREST
+    sampler.mag_img_filter = PIPE_TEX_MIPFILTER_NEAREST
+    sampler.normalized_coords = 1
+    ctx.set_sampler(0, sampler)
+
+    # scissor
+    scissor = Scissor()
+    scissor.minx = 0
+    scissor.miny = 0
+    scissor.maxx = width
+    scissor.maxy = height
+    ctx.set_scissor(scissor)
+
+    clip = Clip()
+    clip.nr = 0
+    ctx.set_clip(clip)
+
+    # framebuffer
+    cbuf = dev.texture_create(
+        PIPE_FORMAT_X8R8G8B8_UNORM, 
+        width, height,
+        tex_usage=PIPE_TEXTURE_USAGE_DISPLAY_TARGET,
+    ).get_surface()
+    zbuf = dev.texture_create(
+        PIPE_FORMAT_Z32_UNORM, 
+        width, height,
+        tex_usage=PIPE_TEXTURE_USAGE_DEPTH_STENCIL,
+    ).get_surface()
+    fb = Framebuffer()
+    fb.width = width
+    fb.height = height
+    fb.nr_cbufs = 1
+    fb.set_cbuf(0, cbuf)
+    fb.set_zsbuf(zbuf)
+    ctx.set_framebuffer(fb)
+    ctx.surface_clear(cbuf, 0x80808080)
+    ctx.surface_clear(zbuf, 0xffffffff)
+
+    # vertex shader
+    vs = Shader(file('vert-' + name + '.txt', 'rt').read())
+    ctx.set_vertex_shader(vs)
+
+    # fragment shader
+    fs = Shader('''
+        FRAG1.1
+        DCL IN[0], COLOR, LINEAR
+        DCL OUT[0], COLOR, CONSTANT
+        0:MOV OUT[0], IN[0]
+        1:END
+    ''')
+    ctx.set_fragment_shader(fs)
+
+    xy = [
+         0.0,  0.8,
+        -0.2,  0.4,
+         0.2,  0.4,
+        -0.4,  0.0,
+         0.0,  0.0,
+         0.4,  0.0,
+        -0.6, -0.4,
+        -0.2, -0.4,
+         0.2, -0.4,
+         0.6, -0.4,
+        -0.8, -0.8,
+        -0.4, -0.8,
+         0.0, -0.8,
+         0.4, -0.8,
+         0.8, -0.8,
+    ]
+    color = [
+        1.0, 0.0, 0.0,
+        0.0, 1.0, 0.0,
+        0.0, 0.0, 1.0,
+    ]
+    tri = [
+         1,  2,  0,
+         3,  4,  1,
+         4,  2,  1,
+         4,  5,  2,
+         6,  7,  3,
+         7,  4,  3,
+         7,  8,  4,
+         8,  5,  4,
+         8,  9,  5,
+        10, 11,  6,
+        11,  7,  6,
+        11, 12,  7,
+        12,  8,  7,
+        12, 13,  8,
+        13,  9,  8,
+        13, 14,  9,
+    ]
+
+    nverts = 16 * 3
+    nattrs = 2
+    verts = FloatArray(nverts * nattrs * 4)
+
+    for i in range(0, nverts):
+        verts[i * nattrs * 4 + 0] = xy[tri[i] * 2 + 0] # x
+        verts[i * nattrs * 4 + 1] = xy[tri[i] * 2 + 1] # y
+        verts[i * nattrs * 4 + 2] = 0.5 # z
+        verts[i * nattrs * 4 + 3] = 1.0 # w
+        verts[i * nattrs * 4 + 4] = color[(i % 3) * 3 + 0] # r
+        verts[i * nattrs * 4 + 5] = color[(i % 3) * 3 + 1] # g
+        verts[i * nattrs * 4 + 6] = color[(i % 3) * 3 + 2] # b
+        verts[i * nattrs * 4 + 7] = 1.0 # a
+
+    ctx.draw_vertices(PIPE_PRIM_TRIANGLES,
+                      nverts,
+                      nattrs,
+                      verts)
+
+    ctx.flush()
+
+    save_image('vert-' + name + '.png', cbuf)
+
+def main():
+    tests = [
+        'abs',
+        'add',
+        'dp3',
+        'mov',
+    ]
+    
+    html = '''<html>
+<head>
+<link rel=\"stylesheet\" type=\"text/css\" media=\"screen\" href=\"screen.css\">
+</head>
+<body>
+<div class=\"main\">
+<h2>regression tests for <span style=\"color: #FF8000\">vertex</span> shader</h2>
+<table><tbody>
+'''
+
+    dev = Device()
+    for t in tests:
+        test(dev, t)
+        html += '<tr><td width=\"300px\">' + t + '</td>'
+        html += '<td><img src=\"vert-' + t + '.png\"></img></td></tr>\n'
+
+    html += '</tbody></table>\n</body>\n</html>\n'
+    file('vertex-shader.htm', 'wt').write(html)
+
+if __name__ == '__main__':
+    main()