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Diffstat (limited to 'progs/gallium/python/samples/gs.py')
-rw-r--r-- | progs/gallium/python/samples/gs.py | 254 |
1 files changed, 0 insertions, 254 deletions
diff --git a/progs/gallium/python/samples/gs.py b/progs/gallium/python/samples/gs.py deleted file mode 100644 index 936c0b3..0000000 --- a/progs/gallium/python/samples/gs.py +++ /dev/null @@ -1,254 +0,0 @@ -#!/usr/bin/env python -########################################################################## -# -# Copyright 2009 VMware -# 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 TUNGSTEN GRAPHICS 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 show_image(surface): - outimage = make_image(surface) - - import Tkinter as tk - from PIL import Image, ImageTk - root = tk.Tk() - - root.title('background image') - - image1 = ImageTk.PhotoImage(outimage) - w = image1.width() - h = image1.height() - x = 100 - y = 100 - root.geometry("%dx%d+%d+%d" % (w, h, x, y)) - panel1 = tk.Label(root, image=image1) - panel1.pack(side='top', fill='both', expand='yes') - panel1.image = image1 - root.mainloop() - - -def test(dev): - ctx = dev.context_create() - - width = 255 - height = 255 - minz = 0.0 - maxz = 1.0 - - # disabled blending/masking - blend = Blend() - blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE - blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE - blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO - blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO - blend.rt[0].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.resource_create( - PIPE_FORMAT_B8G8R8X8_UNORM, - width, height, - bind=PIPE_BIND_RENDER_TARGET, - ).get_surface() - zbuf = dev.resource_create( - PIPE_FORMAT_Z32_UNORM, - width, height, - bind=PIPE_BIND_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) - rgba = FloatArray(4); - rgba[0] = 0.0 - rgba[1] = 0.0 - rgba[2] = 0.0 - rgba[3] = 0.0 - ctx.clear(PIPE_CLEAR_COLOR | PIPE_CLEAR_DEPTHSTENCIL, rgba, 1.0, 0xff) - - # vertex shader - vs = Shader(''' - VERT - DCL IN[0], POSITION, CONSTANT - DCL IN[1], COLOR, CONSTANT - DCL OUT[0], POSITION, CONSTANT - DCL OUT[1], COLOR, CONSTANT - 0:MOV OUT[0], IN[0] - 1:MOV OUT[1], IN[1] - 2:END - ''') - ctx.set_vertex_shader(vs) - - gs = Shader(''' - GEOM - PROPERTY GS_INPUT_PRIMITIVE TRIANGLES - PROPERTY GS_OUTPUT_PRIMITIVE TRIANGLE_STRIP - DCL IN[][0], POSITION, CONSTANT - DCL IN[][1], COLOR, CONSTANT - DCL OUT[0], POSITION, CONSTANT - DCL OUT[1], COLOR, CONSTANT - 0:MOV OUT[0], IN[0][0] - 1:MOV OUT[1], IN[0][1] - 2:EMIT - 3:MOV OUT[0], IN[1][0] - 4:MOV OUT[1], IN[1][1] - 5:EMIT - 6:MOV OUT[0], IN[2][0] - 7:MOV OUT[1], IN[2][1] - 8:EMIT - 9:ENDPRIM - 10:END - ''') - ctx.set_geometry_shader(gs) - - # 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) - - nverts = 3 - nattrs = 2 - verts = FloatArray(nverts * nattrs * 4) - - verts[ 0] = 0.0 # x1 - verts[ 1] = 0.8 # y1 - verts[ 2] = 0.2 # z1 - verts[ 3] = 1.0 # w1 - verts[ 4] = 1.0 # r1 - verts[ 5] = 0.0 # g1 - verts[ 6] = 0.0 # b1 - verts[ 7] = 1.0 # a1 - verts[ 8] = -0.8 # x2 - verts[ 9] = -0.8 # y2 - verts[10] = 0.5 # z2 - verts[11] = 1.0 # w2 - verts[12] = 0.0 # r2 - verts[13] = 1.0 # g2 - verts[14] = 0.0 # b2 - verts[15] = 1.0 # a2 - verts[16] = 0.8 # x3 - verts[17] = -0.8 # y3 - verts[18] = 0.8 # z3 - verts[19] = 1.0 # w3 - verts[20] = 0.0 # r3 - verts[21] = 0.0 # g3 - verts[22] = 1.0 # b3 - verts[23] = 1.0 # a3 - - ctx.draw_vertices(PIPE_PRIM_TRIANGLES, - nverts, - nattrs, - verts) - - ctx.flush() - - show_image(cbuf) - #show_image(zbuf) - #save_image('cbuf.png', cbuf) - #save_image('zbuf.png', zbuf) - - - -def main(): - dev = Device() - test(dev) - - -if __name__ == '__main__': - main() |