| #!/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 = 0 |
| 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_fragment_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_RENDER_TARGET, |
| ).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) |
| |
| # vertex shader |
| vs = Shader(file('vert-' + name + '.sh', 'rt').read()) |
| ctx.set_vertex_shader(vs) |
| |
| # fragment shader |
| fs = Shader(''' |
| FRAG |
| 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', |
| 'arl', |
| 'arr', |
| 'dp3', |
| 'dp4', |
| 'dst', |
| 'ex2', |
| 'flr', |
| 'frc', |
| 'lg2', |
| 'lit', |
| 'lrp', |
| 'mad', |
| 'max', |
| 'min', |
| 'mov', |
| 'mul', |
| 'rcp', |
| 'rsq', |
| 'sge', |
| 'slt', |
| 'srcmod-abs', |
| 'srcmod-absneg', |
| 'srcmod-neg', |
| 'srcmod-swz', |
| 'sub', |
| 'xpd', |
| ] |
| |
| dev = Device() |
| for t in tests: |
| test(dev, t) |
| |
| if __name__ == '__main__': |
| main() |