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authorBrian Paul <[email protected]>2009-02-10 16:44:02 -0700
committerBrian Paul <[email protected]>2009-02-10 16:44:02 -0700
commit5340b6dff73a0a23531ce2a5f28fba8303adab6e (patch)
treeb141fc3648568dd8b941c966059e6ed32a8bd0ad /src/gallium/state_trackers/python/samples/tri.py
parent9fd26daec24f21dbe17afcb2e2ab272667ee9a69 (diff)
parentee4c921b65fb76998711f3c40330505cbc49a0e0 (diff)
Merge commit 'origin/gallium-master-merge'
This is the big merge of the gallium-0.2 branch into master. gallium-master-merge was just the staging area for it. Both gallium-0.2 and gallium-master-merge are considered closed now. Conflicts: progs/demos/Makefile src/mesa/main/state.c src/mesa/main/texenvprogram.c
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diff --git a/src/gallium/state_trackers/python/samples/tri.py b/src/gallium/state_trackers/python/samples/tri.py
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+#!/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 make_image(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
+ 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
+
+ # 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.scissor = 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)
+
+ # 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,
+ )
+ _cbuf = cbuf.get_surface(usage = PIPE_BUFFER_USAGE_GPU_READ|PIPE_BUFFER_USAGE_GPU_WRITE)
+ fb = Framebuffer()
+ fb.width = width
+ fb.height = height
+ fb.num_cbufs = 1
+ fb.set_cbuf(0, _cbuf)
+ ctx.set_framebuffer(fb)
+ _cbuf.clear_value = 0x00000000
+ ctx.surface_clear(_cbuf, _cbuf.clear_value)
+ del _cbuf
+
+ # 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
+ ''')
+ 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)
+
+ 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.draw_vertices(PIPE_PRIM_TRIANGLES,
+ nverts,
+ nattrs,
+ verts)
+
+ ctx.flush()
+
+ show_image(cbuf.get_surface(usage = PIPE_BUFFER_USAGE_CPU_READ|PIPE_BUFFER_USAGE_CPU_WRITE))
+ #save_image('tri.png', cbuf.get_surface(usage = PIPE_BUFFER_USAGE_CPU_READ|PIPE_BUFFER_USAGE_CPU_WRITE))
+
+
+
+def main():
+ dev = Device()
+ test(dev)
+
+
+if __name__ == '__main__':
+ main()