diff options
Diffstat (limited to 'src/gallium/state_trackers')
| -rw-r--r-- | src/gallium/state_trackers/python/p_context.i | 19 | ||||
| -rw-r--r-- | src/gallium/state_trackers/python/samples/gs.py | 254 | ||||
| -rw-r--r-- | src/gallium/state_trackers/python/st_device.h | 1 |
3 files changed, 274 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/python/p_context.i b/src/gallium/state_trackers/python/p_context.i index 9728207d9c7..3c35e6f7455 100644 --- a/src/gallium/state_trackers/python/p_context.i +++ b/src/gallium/state_trackers/python/p_context.i @@ -103,6 +103,25 @@ struct st_context { $self->vs = vs; } + void set_geometry_shader( const struct pipe_shader_state *state ) { + void *gs; + + if(!state) { + cso_set_geometry_shader_handle($self->cso, NULL); + return; + } + + gs = $self->pipe->create_gs_state($self->pipe, state); + if(!gs) + return; + + if(cso_set_geometry_shader_handle($self->cso, gs) != PIPE_OK) + return; + + cso_delete_geometry_shader($self->cso, $self->gs); + $self->gs = gs; + } + /* * Parameter-like state (or properties) */ diff --git a/src/gallium/state_trackers/python/samples/gs.py b/src/gallium/state_trackers/python/samples/gs.py new file mode 100644 index 00000000000..f4f083e547c --- /dev/null +++ b/src/gallium/state_trackers/python/samples/gs.py @@ -0,0 +1,254 @@ +#!/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.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 = 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.texture_create( + PIPE_FORMAT_X8R8G8B8_UNORM, + width, height, + tex_usage=PIPE_TEXTURE_USAGE_DISPLAY_TARGET, + ).get_surface() + zbuf = dev.texture_create( + PIPE_FORMAT_Z16_UNORM, + width, height, + tex_usage=PIPE_TEXTURE_USAGE_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_VERTEX + 3:MOV OUT[0], IN[1][0] + 4:MOV OUT[1], IN[1][1] + 5:EMIT_VERTEX + 6:MOV OUT[0], IN[2][0] + 7:MOV OUT[1], IN[2][1] + 8:EMIT_VERTEX + 9:END_PRIMITIVE + 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() diff --git a/src/gallium/state_trackers/python/st_device.h b/src/gallium/state_trackers/python/st_device.h index a246b6a1f25..2a7a323985f 100644 --- a/src/gallium/state_trackers/python/st_device.h +++ b/src/gallium/state_trackers/python/st_device.h @@ -57,6 +57,7 @@ struct st_context { void *vs; void *fs; + void *gs; struct pipe_texture *default_texture; struct pipe_texture *sampler_textures[PIPE_MAX_SAMPLERS]; |