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[vulkan] Implement line graph rendering

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I should probably just use the line rendering for all renderers and pull
the graph drawing out to the client code.
This commit is contained in:
Bill Currie 2022-11-10 21:19:01 +09:00
parent 74e64d7228
commit 2fb5b67012
3 changed files with 19 additions and 0 deletions
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3
include/QF/Vulkan/qf_draw.h
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@ -85,4 +85,7 @@ void Vulkan_End2D (struct vulkan_ctx_s *ctx);
void Vulkan_DrawReset (struct vulkan_ctx_s *ctx);
void Vulkan_FlushText (struct qfv_renderframe_s *rFrame);
void Vulkan_LineGraph (int x, int y, int *h_vals, int count, int height,
struct vulkan_ctx_s *ctx);
#endif//__QF_Vulkan_qf_draw_h

1
libs/video/renderer/vid_render_vulkan.c
View file

@ -136,6 +136,7 @@ vulkan_R_NewScene (scene_t *scene)
static void
vulkan_R_LineGraph (int x, int y, int *h_vals, int count, int height)
{
Vulkan_LineGraph (x, y, h_vals, count, height, vulkan_ctx);
}
static void

15
libs/video/renderer/vulkan/vulkan_draw.c
View file

@ -1330,3 +1330,18 @@ Vulkan_Draw_FontString (int x, int y, int fontid, const char *str,
RText_RenderText (shaper, &text, x, y, vulkan_render_glyph, &rgctx);
RText_DeleteShaper (shaper);
}
void
Vulkan_LineGraph (int x, int y, int *h_vals, int count, int height,
vulkan_ctx_t *ctx)
{
static int colors[] = { 0xd0, 0x4f, 0x6f };
while (count-- > 0) {
int h = *h_vals++;
int c = h < 9998 || h > 10000 ? 0xfe : colors[h - 9998];
h = min (h, height);
Vulkan_Draw_Line (x, y, x, y - h, c, ctx);
x++;
}
}