diff options
author | Younes Manton <[email protected]> | 2010-04-30 20:42:30 -0400 |
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committer | Younes Manton <[email protected]> | 2010-04-30 20:42:30 -0400 |
commit | a8ea1dacc63ac567498049e5756c247b9fec6cd9 (patch) | |
tree | 4031e2e2b6166bd926b43fa4bbb3aab773a30ee5 /src/gallium/tests/trivial/tri.c | |
parent | 404fb63b4649f58fce443615e49337d42b8ddece (diff) | |
parent | 35d960cc744c374ccaad48c3d80559b59c74e28a (diff) |
Merge branch 'master' of ssh://git.freedesktop.org/git/mesa/mesa into pipe-video
Conflicts:
src/gallium/auxiliary/Makefile
src/gallium/auxiliary/SConscript
src/gallium/auxiliary/util/u_format.csv
src/gallium/auxiliary/vl/vl_compositor.c
src/gallium/auxiliary/vl/vl_compositor.h
src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c
src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.h
src/gallium/drivers/identity/id_objects.c
src/gallium/drivers/identity/id_objects.h
src/gallium/drivers/identity/id_screen.c
src/gallium/drivers/nv40/Makefile
src/gallium/drivers/nv40/nv40_screen.c
src/gallium/drivers/softpipe/sp_texture.c
src/gallium/drivers/softpipe/sp_texture.h
src/gallium/drivers/softpipe/sp_video_context.c
src/gallium/drivers/softpipe/sp_video_context.h
src/gallium/include/pipe/p_format.h
src/gallium/include/pipe/p_screen.h
src/gallium/include/pipe/p_video_context.h
src/gallium/include/pipe/p_video_state.h
src/gallium/include/state_tracker/dri1_api.h
src/gallium/include/state_tracker/drm_api.h
src/gallium/state_trackers/dri/common/dri_context.c
src/gallium/state_trackers/xorg/xvmc/attributes.c
src/gallium/state_trackers/xorg/xvmc/block.c
src/gallium/state_trackers/xorg/xvmc/context.c
src/gallium/state_trackers/xorg/xvmc/subpicture.c
src/gallium/state_trackers/xorg/xvmc/surface.c
src/gallium/state_trackers/xorg/xvmc/tests/.gitignore
src/gallium/state_trackers/xorg/xvmc/tests/Makefile
src/gallium/state_trackers/xorg/xvmc/xvmc_private.h
src/gallium/winsys/drm/radeon/core/radeon_drm.c
src/gallium/winsys/g3dvl/vl_winsys.h
src/gallium/winsys/g3dvl/xlib/xsp_winsys.c
src/gallium/winsys/sw/Makefile
Diffstat (limited to 'src/gallium/tests/trivial/tri.c')
-rw-r--r-- | src/gallium/tests/trivial/tri.c | 278 |
1 files changed, 278 insertions, 0 deletions
diff --git a/src/gallium/tests/trivial/tri.c b/src/gallium/tests/trivial/tri.c new file mode 100644 index 00000000000..48305240a4b --- /dev/null +++ b/src/gallium/tests/trivial/tri.c @@ -0,0 +1,278 @@ +/************************************************************************** + * + * Copyright © 2010 Jakob Bornecrantz + * + * 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, sublicense, + * 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 NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS 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. + * + **************************************************************************/ + + +#define USE_TRACE 0 +#define WIDTH 300 +#define HEIGHT 300 +#define NEAR 30 +#define FAR 1000 +#define FLIP 0 + +/* pipe_*_state structs */ +#include "pipe/p_state.h" +/* pipe_context */ +#include "pipe/p_context.h" +/* pipe_screen */ +#include "pipe/p_screen.h" +/* PIPE_* */ +#include "pipe/p_defines.h" +/* TGSI_SEMANTIC_{POSITION|GENERIC} */ +#include "pipe/p_shader_tokens.h" +/* pipe_buffer_* helpers */ +#include "util/u_inlines.h" + +/* constant state object helper */ +#include "cso_cache/cso_context.h" + +/* debug_dump_surface_bmp */ +#include "util/u_debug.h" +/* util_draw_vertex_buffer helper */ +#include "util/u_draw_quad.h" +/* FREE & CALLOC_STRUCT */ +#include "util/u_memory.h" +/* util_make_[fragment|vertex]_passthrough_shader */ +#include "util/u_simple_shaders.h" + +/* softpipe software driver */ +#include "softpipe/sp_public.h" + +/* null software winsys */ +#include "sw/null/null_sw_winsys.h" + +/* traceing support see src/gallium/drivers/trace/README for more info. */ +#if USE_TRACE +#include "trace/tr_screen.h" +#include "trace/tr_context.h" +#endif + +struct program +{ + struct pipe_screen *screen; + struct pipe_context *pipe; + struct cso_context *cso; + + struct pipe_blend_state blend; + struct pipe_depth_stencil_alpha_state depthstencil; + struct pipe_rasterizer_state rasterizer; + struct pipe_viewport_state viewport; + struct pipe_framebuffer_state framebuffer; + struct pipe_vertex_element velem[2]; + + void *vs; + void *fs; + + float clear_color[4]; + + struct pipe_resource *vbuf; + struct pipe_resource *target; +}; + +static void init_prog(struct program *p) +{ + /* create the software rasterizer */ + p->screen = softpipe_create_screen(null_sw_create()); +#if USE_TRACE + p->screen = trace_screen_create(p->screen); +#endif + p->pipe = p->screen->context_create(p->screen, NULL); + p->cso = cso_create_context(p->pipe); + + /* set clear color */ + p->clear_color[0] = 0.3; + p->clear_color[1] = 0.1; + p->clear_color[2] = 0.3; + p->clear_color[3] = 1.0; + + /* vertex buffer */ + { + float vertices[4][2][4] = { + { + { 0.0f, -0.9f, 0.0f, 1.0f }, + { 1.0f, 0.0f, 0.0f, 1.0f } + }, + { + { -0.9f, 0.9f, 0.0f, 1.0f }, + { 0.0f, 1.0f, 0.0f, 1.0f } + }, + { + { 0.9f, 0.9f, 0.0f, 1.0f }, + { 0.0f, 0.0f, 1.0f, 1.0f } + } + }; + + p->vbuf = pipe_buffer_create(p->screen, PIPE_BIND_VERTEX_BUFFER, sizeof(vertices)); + pipe_buffer_write(p->pipe, p->vbuf, 0, sizeof(vertices), vertices); + } + + /* render target texture */ + { + struct pipe_resource tmplt; + memset(&tmplt, 0, sizeof(tmplt)); + tmplt.target = PIPE_TEXTURE_2D; + tmplt.format = PIPE_FORMAT_B8G8R8A8_UNORM; /* All drivers support this */ + tmplt.width0 = WIDTH; + tmplt.height0 = HEIGHT; + tmplt.depth0 = 1; + tmplt.last_level = 0; + tmplt.bind = PIPE_BIND_RENDER_TARGET; + + p->target = p->screen->resource_create(p->screen, &tmplt); + } + + /* disabled blending/masking */ + memset(&p->blend, 0, sizeof(p->blend)); + p->blend.rt[0].colormask = PIPE_MASK_RGBA; + + /* no-op depth/stencil/alpha */ + memset(&p->depthstencil, 0, sizeof(p->depthstencil)); + + /* rasterizer */ + memset(&p->rasterizer, 0, sizeof(p->rasterizer)); + p->rasterizer.front_winding = PIPE_WINDING_CW; + p->rasterizer.cull_mode = PIPE_WINDING_NONE; + p->rasterizer.gl_rasterization_rules = 1; + + /* drawing destination */ + memset(&p->framebuffer, 0, sizeof(p->framebuffer)); + p->framebuffer.width = WIDTH; + p->framebuffer.height = HEIGHT; + p->framebuffer.nr_cbufs = 1; + p->framebuffer.cbufs[0] = p->screen->get_tex_surface(p->screen, p->target, 0, 0, 0, PIPE_BIND_RENDER_TARGET); + + /* viewport, depth isn't really needed */ + { + float x = 0; + float y = 0; + float z = FAR; + float half_width = (float)WIDTH / 2.0f; + float half_height = (float)HEIGHT / 2.0f; + float half_depth = ((float)FAR - (float)NEAR) / 2.0f; + float scale, bias; + + if (FLIP) { + scale = -1.0f; + bias = (float)HEIGHT; + } else { + scale = 1.0f; + bias = 0.0f; + } + + p->viewport.scale[0] = half_width; + p->viewport.scale[1] = half_height * scale; + p->viewport.scale[2] = half_depth; + p->viewport.scale[3] = 1.0f; + + p->viewport.translate[0] = half_width + x; + p->viewport.translate[1] = (half_height + y) * scale + bias; + p->viewport.translate[2] = half_depth + z; + p->viewport.translate[3] = 0.0f; + } + + /* vertex elements state */ + memset(p->velem, 0, sizeof(p->velem)); + p->velem[0].src_offset = 0 * 4 * sizeof(float); /* offset 0, first element */ + p->velem[0].instance_divisor = 0; + p->velem[0].vertex_buffer_index = 0; + p->velem[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; + + p->velem[1].src_offset = 1 * 4 * sizeof(float); /* offset 16, second element */ + p->velem[1].instance_divisor = 0; + p->velem[1].vertex_buffer_index = 0; + p->velem[1].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; + + /* vertex shader */ + { + const uint semantic_names[] = { TGSI_SEMANTIC_POSITION, + TGSI_SEMANTIC_COLOR }; + const uint semantic_indexes[] = { 0, 0 }; + p->vs = util_make_vertex_passthrough_shader(p->pipe, 2, semantic_names, semantic_indexes); + } + + /* fragment shader */ + p->fs = util_make_fragment_passthrough_shader(p->pipe); +} + +static void close_prog(struct program *p) +{ + /* unset all state */ + cso_release_all(p->cso); + + p->pipe->delete_vs_state(p->pipe, p->vs); + p->pipe->delete_fs_state(p->pipe, p->fs); + + pipe_surface_reference(&p->framebuffer.cbufs[0], NULL); + pipe_resource_reference(&p->target, NULL); + pipe_resource_reference(&p->vbuf, NULL); + + cso_destroy_context(p->cso); + p->pipe->destroy(p->pipe); + p->screen->destroy(p->screen); + + FREE(p); +} + +static void draw(struct program *p) +{ + /* set the render target */ + cso_set_framebuffer(p->cso, &p->framebuffer); + + /* clear the render target */ + p->pipe->clear(p->pipe, PIPE_CLEAR_COLOR, p->clear_color, 0, 0); + + /* set misc state we care about */ + cso_set_blend(p->cso, &p->blend); + cso_set_depth_stencil_alpha(p->cso, &p->depthstencil); + cso_set_rasterizer(p->cso, &p->rasterizer); + cso_set_viewport(p->cso, &p->viewport); + + /* shaders */ + cso_set_fragment_shader_handle(p->cso, p->fs); + cso_set_vertex_shader_handle(p->cso, p->vs); + + /* vertex element data */ + cso_set_vertex_elements(p->cso, 2, p->velem); + + util_draw_vertex_buffer(p->pipe, + p->vbuf, 0, + PIPE_PRIM_TRIANGLES, + 3, /* verts */ + 2); /* attribs/vert */ + + p->pipe->flush(p->pipe, PIPE_FLUSH_RENDER_CACHE, NULL); + + debug_dump_surface_bmp(p->pipe, "result.bmp", p->framebuffer.cbufs[0]); +} + +int main(int argc, char** argv) +{ + struct program *p = CALLOC_STRUCT(program); + + init_prog(p); + draw(p); + close_prog(p); + + return 0; +} |