diff options
author | Zack Rusin <[email protected]> | 2013-10-24 22:05:22 -0400 |
---|---|---|
committer | Zack Rusin <[email protected]> | 2013-11-25 13:05:03 -0500 |
commit | 0510ec67e2c5b5ddb4755564314ccfe057555984 (patch) | |
tree | 0e9c19cf4e6f3ad63d0fc0818056a2f3de41e523 /src/gallium/tests/graw | |
parent | 5455c818b558cdc618441988434eb2755cd98b67 (diff) |
llvmpipe: support 8bit subpixel precision
8 bit precision is required by d3d10 but unfortunately
requires 64 bit rasterizer. This commit implements
64 bit rasterization with full support for 8bit subpixel
precision. It's a combination of all individual commits
from the llvmpipe-rast-64 branch.
Signed-off-by: Zack Rusin <[email protected]>
Reviewed-by: José Fonseca <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
Reviewed-by: Roland Scheidegger <[email protected]>
Diffstat (limited to 'src/gallium/tests/graw')
-rw-r--r-- | src/gallium/tests/graw/SConscript | 1 | ||||
-rw-r--r-- | src/gallium/tests/graw/tri-large.c | 174 |
2 files changed, 175 insertions, 0 deletions
diff --git a/src/gallium/tests/graw/SConscript b/src/gallium/tests/graw/SConscript index 8740ff3d16e..87238077cf4 100644 --- a/src/gallium/tests/graw/SConscript +++ b/src/gallium/tests/graw/SConscript @@ -29,6 +29,7 @@ progs = [ 'tex-srgb', 'tex-swizzle', 'tri', + 'tri-large', 'tri-gs', 'tri-instanced', 'vs-test', diff --git a/src/gallium/tests/graw/tri-large.c b/src/gallium/tests/graw/tri-large.c new file mode 100644 index 00000000000..67d49b07bb0 --- /dev/null +++ b/src/gallium/tests/graw/tri-large.c @@ -0,0 +1,174 @@ +/* Display a huge triangle on a 8192x8192 canvas. + * This demo has no dependencies on any utility code, + * just the graw interface and gallium. + */ + +#include "graw_util.h" +#include "util/u_debug.h" + +#include <stdio.h> + +static struct graw_info info; + +static const int WIDTH = 4*2048; +static const int HEIGHT = 4*2048; + + +struct vertex { + float position[4]; + float color[4]; +}; + +static boolean FlatShade = FALSE; + + +static struct vertex vertices[3] = +{ + { + { -1.0f, -1.0f, 0.0f, 1.0f }, + { 1.0f, 0.0f, 0.0f, 1.0f } + }, + { + { -1.0f, 1.0f, 0.0f, 1.0f }, + { 0.0f, 1.0f, 0.0f, 1.0f } + }, + { + { 1.0f, 1.0f, 0.0f, 1.0f }, + { 0.0f, 0.0f, 1.0f, 1.0f } + } +}; + + +static void set_vertices( void ) +{ + struct pipe_vertex_element ve[2]; + struct pipe_vertex_buffer vbuf; + void *handle; + + memset(ve, 0, sizeof ve); + + ve[0].src_offset = Offset(struct vertex, position); + ve[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; + ve[1].src_offset = Offset(struct vertex, color); + ve[1].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; + + handle = info.ctx->create_vertex_elements_state(info.ctx, 2, ve); + info.ctx->bind_vertex_elements_state(info.ctx, handle); + + memset(&vbuf, 0, sizeof vbuf); + + vbuf.stride = sizeof( struct vertex ); + vbuf.buffer_offset = 0; + vbuf.buffer = pipe_buffer_create_with_data(info.ctx, + PIPE_BIND_VERTEX_BUFFER, + PIPE_USAGE_STATIC, + sizeof(vertices), + vertices); + + info.ctx->set_vertex_buffers(info.ctx, 0, 1, &vbuf); +} + + +static void set_vertex_shader( void ) +{ + void *handle; + const char *text = + "VERT\n" + "DCL IN[0]\n" + "DCL IN[1]\n" + "DCL OUT[0], POSITION\n" + "DCL OUT[1], COLOR\n" + " 0: MOV OUT[1], IN[1]\n" + " 1: MOV OUT[0], IN[0]\n" + " 2: END\n"; + + handle = graw_parse_vertex_shader(info.ctx, text); + info.ctx->bind_vs_state(info.ctx, handle); +} + + +static void set_fragment_shader( void ) +{ + void *handle; + const char *text = + "FRAG\n" + "DCL IN[0], COLOR, LINEAR\n" + "DCL OUT[0], COLOR\n" + " 0: MOV OUT[0], IN[0]\n" + " 1: END\n"; + + handle = graw_parse_fragment_shader(info.ctx, text); + info.ctx->bind_fs_state(info.ctx, handle); +} + + +static void draw( void ) +{ + union pipe_color_union clear_color = { {1,0,1,1} }; + + info.ctx->clear(info.ctx, PIPE_CLEAR_COLOR, &clear_color, 0, 0); + util_draw_arrays(info.ctx, PIPE_PRIM_TRIANGLES, 0, 3); + info.ctx->flush(info.ctx, NULL, 0); + + graw_save_surface_to_file(info.ctx, info.color_surf[0], NULL); + + graw_util_flush_front(&info); +} + + +static void init( void ) +{ + if (!graw_util_create_window(&info, WIDTH, HEIGHT, 1, FALSE)) + exit(1); + + graw_util_default_state(&info, FALSE); + + { + struct pipe_rasterizer_state rasterizer; + void *handle; + memset(&rasterizer, 0, sizeof rasterizer); + rasterizer.cull_face = PIPE_FACE_NONE; + rasterizer.half_pixel_center = 1; + rasterizer.bottom_edge_rule = 1; + rasterizer.flatshade = FlatShade; + rasterizer.depth_clip = 1; + handle = info.ctx->create_rasterizer_state(info.ctx, &rasterizer); + info.ctx->bind_rasterizer_state(info.ctx, handle); + } + + + graw_util_viewport(&info, 0, 0, WIDTH, HEIGHT, 30, 1000); + + set_vertices(); + set_vertex_shader(); + set_fragment_shader(); +} + +static void args(int argc, char *argv[]) +{ + int i; + + for (i = 1; i < argc; ) { + if (graw_parse_args(&i, argc, argv)) { + /* ok */ + } + else if (strcmp(argv[i], "-f") == 0) { + FlatShade = TRUE; + i++; + } + else { + printf("Invalid arg %s\n", argv[i]); + exit(1); + } + } +} + +int main( int argc, char *argv[] ) +{ + args(argc, argv); + init(); + + graw_set_display_func( draw ); + graw_main_loop(); + return 0; +} |