summaryrefslogtreecommitdiffstats
path: root/src/gallium/tests/graw
diff options
context:
space:
mode:
authorZack Rusin <[email protected]>2013-10-24 22:05:22 -0400
committerZack Rusin <[email protected]>2013-11-25 13:05:03 -0500
commit0510ec67e2c5b5ddb4755564314ccfe057555984 (patch)
tree0e9c19cf4e6f3ad63d0fc0818056a2f3de41e523 /src/gallium/tests/graw
parent5455c818b558cdc618441988434eb2755cd98b67 (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/SConscript1
-rw-r--r--src/gallium/tests/graw/tri-large.c174
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;
+}