From 00cd96b68f21cb281aa30199f520aae8b2f93083 Mon Sep 17 00:00:00 2001 From: José Fonseca Date: Mon, 14 Jul 2008 12:40:50 +0900 Subject: python: Get the sample app to draw triangle like trivial/tri exanple. --- .../state_trackers/python/samples/simple.py | 179 ------------------- src/gallium/state_trackers/python/samples/tri.py | 193 +++++++++++++++++++++ 2 files changed, 193 insertions(+), 179 deletions(-) delete mode 100644 src/gallium/state_trackers/python/samples/simple.py create mode 100644 src/gallium/state_trackers/python/samples/tri.py (limited to 'src/gallium/state_trackers/python/samples') diff --git a/src/gallium/state_trackers/python/samples/simple.py b/src/gallium/state_trackers/python/samples/simple.py deleted file mode 100644 index 10742db0dc..0000000000 --- a/src/gallium/state_trackers/python/samples/simple.py +++ /dev/null @@ -1,179 +0,0 @@ -#!/usr/bin/env python -########################################################################## -# -# 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 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 save_image(filename, surface): - pixels = FloatArray(surface.height*surface.width*4) - surface.get_tile_rgba(0, 0, surface.width, surface.height, pixels) - - import Image - outimage = Image.new( - mode='RGB', - size=(surface.width, surface.height), - color=(0,0,0)) - outpixels = outimage.load() - for y in range(0, surface.height): - for x in range(0, surface.width): - offset = (y*surface.width + x)*4 - r, g, b, a = [int(pixels[offset + ch]*255) for ch in range(4)] - outpixels[x, y] = r, g, b - outimage.save(filename, "PNG") - - -def test(dev): - ctx = dev.context_create() - - width = 256 - height = 256 - - # 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_clipping = 1 - #rasterizer.bypass_vs = 1 - ctx.set_rasterizer(rasterizer) - - # viewport (identity, we setup vertices in wincoords) - viewport = Viewport() - scale = FloatArray(4) - scale[0] = 1.0 - scale[1] = 1.0 - scale[2] = 1.0 - scale[3] = 1.0 - viewport.scale = scale - translate = FloatArray(4) - translate[0] = 0.0 - translate[1] = 0.0 - translate[2] = 0.0 - 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) - - # texture - texture = dev.texture_create(PIPE_FORMAT_A8R8G8B8_UNORM, - width, height, - usage=PIPE_TEXTURE_USAGE_RENDER_TARGET) - ctx.set_sampler_texture(0, texture) - - # drawing dest - surface = texture.get_surface(usage = PIPE_BUFFER_USAGE_GPU_WRITE) - fb = Framebuffer() - fb.width = surface.width - fb.height = surface.height - fb.num_cbufs = 1 - fb.set_cbuf(0, surface) - ctx.set_framebuffer(fb) - - # vertex shader - vs = Shader(''' - VERT1.1 - DCL IN[0], POSITION, CONSTANT - DCL IN[1], GENERIC[0], CONSTANT - DCL OUT[0], POSITION, CONSTANT - DCL OUT[1], GENERIC[0], CONSTANT - 0:MOV OUT[0], IN[0] - 1:MOV OUT[1], IN[1] - 2:END - ''') - #vs.dump() - ctx.set_vertex_shader(vs) - - # fragment shader - fs = Shader(''' - FRAG1.1 - DCL IN[0], COLOR, CONSTANT - DCL OUT[0], COLOR, CONSTANT - 0:MOV OUT[0], IN[0] - 1:END - ''') - #fs.dump() - ctx.set_fragment_shader(fs) - - ctx.surface_clear(surface, 0x00ff0000) - - if 0: - nverts = 4 - nattrs = 1 - vertices = FloatArray(n_verts * nattrs * 4) - - # init vertex data that doesn't change - for i in range(nverts): - for j in range(nattrs): - vertices[(i*nattrs +j)*4 + 0] = 0.0 - vertices[(i*nattrs +j)*4 + 1] = 0.0 - vertices[(i*nattrs +j)*4 + 2] = 0.0 - vertices[(i*nattrs +j)*4 + 3] = 0.0 - - ctx.draw_vertices(PIPE_PRIM_TRIANGLE_FAN, - 4, # verts - 2, # attribs/vert - vertices) - else: - ctx.draw_quad(32.0, 32.0, 224.0, 224.0) - - ctx.flush() - - save_image("simple.png", surface) - - - -def main(): - dev = Device(0) - test(dev) - - -if __name__ == '__main__': - main() diff --git a/src/gallium/state_trackers/python/samples/tri.py b/src/gallium/state_trackers/python/samples/tri.py new file mode 100644 index 0000000000..7a10905ddb --- /dev/null +++ b/src/gallium/state_trackers/python/samples/tri.py @@ -0,0 +1,193 @@ +#!/usr/bin/env python +########################################################################## +# +# 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 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 save_image(filename, surface): + pixels = FloatArray(surface.height*surface.width*4) + surface.get_tile_rgba(0, 0, surface.width, surface.height, pixels) + + import Image + outimage = Image.new( + mode='RGB', + size=(surface.width, surface.height), + color=(0,0,0)) + outpixels = outimage.load() + for y in range(0, surface.height): + for x in range(0, surface.width): + offset = (y*surface.width + x)*4 + r, g, b, a = [int(pixels[offset + ch]*255) for ch in range(4)] + outpixels[x, y] = r, g, b + outimage.save(filename, "PNG") + + +def test(dev): + ctx = dev.context_create() + + width = 256 + height = 256 + + # 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_clipping = 1 + #rasterizer.bypass_vs = 1 + ctx.set_rasterizer(rasterizer) + + # viewport (identity, we setup vertices in wincoords) + viewport = Viewport() + scale = FloatArray(4) + scale[0] = 1.0 + scale[1] = 1.0 + scale[2] = 1.0 + scale[3] = 1.0 + viewport.scale = scale + translate = FloatArray(4) + translate[0] = 0.0 + translate[1] = 0.0 + translate[2] = 0.0 + 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) + + # texture + texture = dev.texture_create(PIPE_FORMAT_A8R8G8B8_UNORM, + width, height, + usage=PIPE_TEXTURE_USAGE_RENDER_TARGET) + ctx.set_sampler_texture(0, texture) + + # drawing dest + surface = texture.get_surface(usage = PIPE_BUFFER_USAGE_GPU_WRITE) + fb = Framebuffer() + fb.width = surface.width + fb.height = surface.height + fb.num_cbufs = 1 + fb.set_cbuf(0, surface) + ctx.set_framebuffer(fb) + + # vertex shader + vs = Shader(''' + VERT1.1 + 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 + ''') + #vs.dump() + 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 + ''') + #fs.dump() + ctx.set_fragment_shader(fs) + + nverts = 3 + nattrs = 2 + verts = FloatArray(nverts * nattrs * 4) + + verts[ 0] = 128.0 # x1 + verts[ 1] = 32.0 # y1 + verts[ 2] = 0.0 # 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] = 32.0 # x2 + verts[ 9] = 224.0 # y2 + verts[10] = 0.0 # 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] = 224.0 # x3 + verts[17] = 224.0 # y3 + verts[18] = 0.0 # 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.surface_clear(surface, 0x00000000) + + ctx.draw_vertices(PIPE_PRIM_TRIANGLES, + nverts, + nattrs, + verts) + + ctx.flush() + + save_image("tri.png", surface) + + + +def main(): + dev = Device(hardware = False) + test(dev) + + +if __name__ == '__main__': + main() -- cgit v1.2.3