From ee470020e17bc4999f3540fbad49fe645a4b914e Mon Sep 17 00:00:00 2001 From: José Fonseca Date: Tue, 15 Jul 2008 17:14:07 +0900 Subject: python: Request/respect the texture & buffer usage flags in the examples. --- src/gallium/state_trackers/python/samples/tri.py | 81 +++++++++++++++++----- src/gallium/state_trackers/python/tests/base.py | 35 +++++++++- src/gallium/state_trackers/python/tests/texture.py | 46 ++++++------ 3 files changed, 121 insertions(+), 41 deletions(-) (limited to 'src/gallium/state_trackers/python') diff --git a/src/gallium/state_trackers/python/samples/tri.py b/src/gallium/state_trackers/python/samples/tri.py index f915c26215..e5044a0245 100644 --- a/src/gallium/state_trackers/python/samples/tri.py +++ b/src/gallium/state_trackers/python/samples/tri.py @@ -30,7 +30,7 @@ from gallium import * -def save_image(filename, surface): +def make_image(surface): pixels = FloatArray(surface.height*surface.width*4) surface.get_tile_rgba(0, 0, surface.width, surface.height, pixels) @@ -45,14 +45,38 @@ def save_image(filename, surface): 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 = 256 - height = 256 + width = 255 + height = 255 # disabled blending/masking blend = Blend() @@ -72,6 +96,7 @@ def test(dev): 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) @@ -102,21 +127,41 @@ def test(dev): 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) + # 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, + usage=PIPE_TEXTURE_USAGE_DISPLAY_TARGET) + zbuf = dev.texture_create(PIPE_FORMAT_X8Z24_UNORM, + width, height, + usage=PIPE_TEXTURE_USAGE_DEPTH_STENCIL) + _cbuf = cbuf.get_surface(usage = PIPE_BUFFER_USAGE_GPU_READ|PIPE_BUFFER_USAGE_GPU_WRITE) + _zsbuf = zbuf.get_surface(usage = PIPE_BUFFER_USAGE_GPU_READ|PIPE_BUFFER_USAGE_GPU_WRITE) fb = Framebuffer() - fb.width = surface.width - fb.height = surface.height + fb.width = width + fb.height = height fb.num_cbufs = 1 - fb.set_cbuf(0, surface) + fb.set_cbuf(0, _cbuf) + fb.set_zsbuf(_zsbuf) ctx.set_framebuffer(fb) - + _cbuf.clear_value = 0x00000000 + _zsbuf.clear_value = 0x00ffffff + ctx.surface_clear(_cbuf, _cbuf.clear_value) + ctx.surface_clear(_zsbuf, _zsbuf.clear_value) + del _cbuf + del _zsbuf + # vertex shader vs = Shader(''' VERT1.1 @@ -171,16 +216,14 @@ def test(dev): 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) + + show_image(cbuf.get_surface(usage = PIPE_BUFFER_USAGE_CPU_READ|PIPE_BUFFER_USAGE_CPU_WRITE)) diff --git a/src/gallium/state_trackers/python/tests/base.py b/src/gallium/state_trackers/python/tests/base.py index 5778ad4382..185a59996e 100644 --- a/src/gallium/state_trackers/python/tests/base.py +++ b/src/gallium/state_trackers/python/tests/base.py @@ -37,7 +37,7 @@ for name, value in globals().items(): formats[value] = name -def save_image(filename, surface): +def make_image(surface): pixels = FloatArray(surface.height*surface.width*4) surface.get_tile_rgba(0, 0, surface.width, surface.height, pixels) @@ -52,8 +52,41 @@ def save_image(filename, surface): 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(*surfaces): + import Tkinter as tk + from PIL import Image, ImageTk + + root = tk.Tk() + + x = 64 + y = 64 + + for i in range(len(surfaces)): + surface = surfaces[i] + outimage = make_image(surface) + + if i: + window = tk.Toplevel(root) + else: + window = root + window.title('Image %u' % (i+1)) + image1 = ImageTk.PhotoImage(outimage) + w = image1.width() + h = image1.height() + window.geometry("%dx%d+%d+%d" % (w, h, x, y)) + panel1 = tk.Label(window, image=image1) + panel1.pack(side='top', fill='both', expand='yes') + panel1.image = image1 + x += w + 2 + + root.mainloop() + class Test: diff --git a/src/gallium/state_trackers/python/tests/texture.py b/src/gallium/state_trackers/python/tests/texture.py index ad11e8dcc9..84ceebb169 100644 --- a/src/gallium/state_trackers/python/tests/texture.py +++ b/src/gallium/state_trackers/python/tests/texture.py @@ -27,13 +27,14 @@ ########################################################################## +import sys from gallium import * from base import * from data import generate_data def compare_rgba(width, height, rgba1, rgba2, tol=0.01): - result = True + errors = 0 for y in range(0, height): for x in range(0, width): for ch in range(4): @@ -41,9 +42,14 @@ def compare_rgba(width, height, rgba1, rgba2, tol=0.01): v1 = rgba1[offset] v2 = rgba2[offset] if abs(v1 - v2) > tol: - sys.stderr.write("x=%u, y=%u, ch=%u differ: %f vs %f\n", - x, y, ch, v1, v2) - result = False + if errors == 0: + sys.stderr.write("x=%u, y=%u, ch=%u differ: %f vs %f\n" % (x, y, ch, v1, v2)) + if errors == 1: + sys.stderr.write("...\n") + errors += 1 + if errors: + sys.stderr.write("%u out of %u pixels differ\n" % (errors/4, height*width)) + return errors == 0 class TextureTest(Test): @@ -65,8 +71,8 @@ class TextureTest(Test): ctx = dev.context_create() - width = 256 - height = 256 + width = 64 + height = 64 # disabled blending/masking blend = Blend() @@ -122,21 +128,21 @@ class TextureTest(Test): height) ctx.set_sampler_texture(0, texture) - surface = texture.get_surface(usage = PIPE_BUFFER_USAGE_CPU_READ|PIPE_BUFFER_USAGE_CPU_WRITE) - - expected_rgba = generate_data(surface) + expected_rgba = generate_data(texture.get_surface(usage = PIPE_BUFFER_USAGE_CPU_READ|PIPE_BUFFER_USAGE_CPU_WRITE)) cbuf_tex = dev.texture_create(PIPE_FORMAT_A8R8G8B8_UNORM, width, - height) + height, + usage = PIPE_TEXTURE_USAGE_RENDER_TARGET) # drawing dest - cbuf = cbuf_tex.get_surface(usage = PIPE_BUFFER_USAGE_GPU_WRITE) + cbuf = cbuf_tex.get_surface(usage = PIPE_BUFFER_USAGE_GPU_WRITE|PIPE_BUFFER_USAGE_GPU_READ) fb = Framebuffer() - fb.width = cbuf.width - fb.height = cbuf.height + fb.width = width + fb.height = height fb.num_cbufs = 1 fb.set_cbuf(0, cbuf) + ctx.surface_clear(cbuf, 0x00000000) ctx.set_framebuffer(fb) # vertex shader @@ -164,7 +170,7 @@ class TextureTest(Test): ''') fs.dump() ctx.set_fragment_shader(fs) - + nverts = 4 nattrs = 2 verts = FloatArray(nverts * nattrs * 4) @@ -207,23 +213,21 @@ class TextureTest(Test): verts[30] = 0.0 verts[31] = 0.0 - ctx.surface_clear(cbuf, 0x00000000) - ctx.draw_vertices(PIPE_PRIM_TRIANGLE_FAN, nverts, nattrs, verts) ctx.flush() - - rgba = FloatArray(surface.height*surface.width*4) - cbuf.get_tile_rgba(x, y, w, h, rgba) + rgba = FloatArray(height*width*4) + + cbuf_tex.get_surface(usage = PIPE_BUFFER_USAGE_CPU_READ).get_tile_rgba(x, y, w, h, rgba) compare_rgba(width, height, rgba, expected_rgba) - #save_image("texture1.png", surface) - #save_image("texture2.png", cbuf) + show_image(texture.get_surface(usage = PIPE_BUFFER_USAGE_CPU_READ), + cbuf_tex.get_surface(usage = PIPE_BUFFER_USAGE_CPU_READ)) def main(): -- cgit v1.2.3