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[vulkan] Create a "missing" texture for bsps

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I found a test map with no texture data. Even after fixing the bsp
loader, vulkan didn't like it. Now vulkan is happy. The "Missing" text
is full-bright magenta on a dim grey background so it should be visible
in any lighting conditions.
This commit is contained in:
Bill Currie 2022-05-26 19:14:44 +09:00
parent 4dc1988af1
commit 4786594f3c
1 changed files with 74 additions and 4 deletions
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78
libs/video/renderer/vulkan/vulkan_bsp.c
View file

@ -95,8 +95,6 @@ static QFV_Subpass subpass_map[] = {
QFV_passTranslucent, // QFV_bspTurb
};
static vulktex_t vulkan_notexture = { };
#define ALLOC_CHUNK 64
static void
@ -1217,14 +1215,77 @@ create_default_skys (vulkan_ctx_t *ctx)
QFV_PacketSubmit (packet);
}
static void
create_notexture (vulkan_ctx_t *ctx)
{
const char *missing = "Missing";
byte data[2][64 * 64 * 4]; // 2 * 64x64 rgba (8x8 chars)
tex_t tex[2] = {
{ .width = 64,
.height = 64,
.format = tex_rgba,
.loaded = 1,
.data = data[0],
},
{ .width = 64,
.height = 64,
.format = tex_rgba,
.loaded = 1,
.data = data[1],
},
};
for (int i = 0; i < 64 * 64; i++) {
data[0][i * 4 + 0] = 0x20;
data[0][i * 4 + 1] = 0x20;
data[0][i * 4 + 2] = 0x20;
data[0][i * 4 + 3] = 0xff;
data[1][i * 4 + 0] = 0x00;
data[1][i * 4 + 1] = 0x00;
data[1][i * 4 + 2] = 0x00;
data[1][i * 4 + 3] = 0xff;
}
int x = 4;
int y = 4;
for (const char *c = missing; *c; c++) {
byte *bitmap = font8x8_data + *c * 8;
for (int l = 0; l < 8; l++) {
byte d = *bitmap++;
for (int b = 0; b < 8; b++) {
if (d & 0x80) {
int base = ((y + l) * 64 + x + b) * 4;
data[0][base + 0] = 0x00;
data[0][base + 1] = 0x00;
data[0][base + 2] = 0x00;
data[0][base + 3] = 0xff;
data[1][base + 0] = 0xff;
data[1][base + 1] = 0x00;
data[1][base + 2] = 0xff;
data[1][base + 3] = 0xff;
}
d <<= 1;
}
}
x += 8;
}
for (int i = 1; i < 7; i++) {
y += 8;
memcpy (data[0] + y * 64 * 4, data[0] + 4 * 64 * 4, 8 * 64 * 4);
memcpy (data[1] + y * 64 * 4, data[1] + 4 * 64 * 4, 8 * 64 * 4);
}
bspctx_t *bctx = ctx->bsp_context;
bctx->notexture.tex = Vulkan_LoadTexArray (ctx, tex, 2, 1, "notexture");
}
void
Vulkan_Bsp_Init (vulkan_ctx_t *ctx)
{
qfv_device_t *device = ctx->device;
qfv_devfuncs_t *dfunc = device->funcs;
r_notexture_mip->render = &vulkan_notexture;
qfvPushDebug (ctx, "bsp init");
bspctx_t *bctx = calloc (1, sizeof (bspctx_t));
@ -1237,6 +1298,7 @@ Vulkan_Bsp_Init (vulkan_ctx_t *ctx)
ctx->cmdpool);
create_default_skys (ctx);
create_notexture (ctx);
DARRAY_INIT (&bctx->registered_textures, 64);
@ -1305,6 +1367,11 @@ Vulkan_Bsp_Init (vulkan_ctx_t *ctx)
bctx->skybox_descriptor
= Vulkan_CreateTextureDescriptor (ctx, bctx->default_skybox,
bctx->sampler);
bctx->notexture.descriptor
= Vulkan_CreateTextureDescriptor (ctx, bctx->notexture.tex,
bctx->sampler);
r_notexture_mip->render = &bctx->notexture;
qfvPopDebug (ctx);
}
@ -1358,6 +1425,9 @@ Vulkan_Bsp_Shutdown (struct vulkan_ctx_s *ctx)
if (bctx->skybox_tex) {
Vulkan_UnloadTex (ctx, bctx->skybox_tex);
}
if (bctx->notexture.tex) {
Vulkan_UnloadTex (ctx, bctx->notexture.tex);
}
dfunc->vkDestroyImageView (device->dev, bctx->default_skysheet->view, 0);
dfunc->vkDestroyImage (device->dev, bctx->default_skysheet->image, 0);