diff options
author | José Fonseca <[email protected]> | 2010-04-13 07:05:13 +0900 |
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committer | José Fonseca <[email protected]> | 2010-04-13 07:05:46 +0900 |
commit | 6917ef10f20d2c6de92e5432b9483d9648d8b0c0 (patch) | |
tree | 86c95f54d7ce0dcc02a3a55ab617b723b6fc76b2 /progs/gallium/trivial/tri.c | |
parent | 6cd82eb399c8a6c248c2d9b135bafefbac8fbe0f (diff) |
progs/gallium: Move into src/gallium/tests
Two reasons:
- progs will eventually have its own repository
- it is just to easy to forget updating the
code for interface changes when it is outside of src
Diffstat (limited to 'progs/gallium/trivial/tri.c')
-rw-r--r-- | progs/gallium/trivial/tri.c | 278 |
1 files changed, 0 insertions, 278 deletions
diff --git a/progs/gallium/trivial/tri.c b/progs/gallium/trivial/tri.c deleted file mode 100644 index 6286aefe319..00000000000 --- a/progs/gallium/trivial/tri.c +++ /dev/null @@ -1,278 +0,0 @@ -/************************************************************************** - * - * 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_buffer *vbuf; - struct pipe_texture *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, 16, PIPE_BUFFER_USAGE_VERTEX, sizeof(vertices)); - pipe_buffer_write(p->screen, p->vbuf, 0, sizeof(vertices), vertices); - } - - /* render target texture */ - { - struct pipe_texture 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_BUFFER_USAGE_GPU_WRITE); - - /* 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_texture_reference(&p->target, NULL); - pipe_buffer_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; -} |