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[vulkan] Add some comments and clean some code

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Figuring out bsp rendering for shadows is a fair bit harder than
expected :P
This commit is contained in:
Bill Currie 2021-07-22 16:13:12 +09:00
parent f1ac8f2460
commit 49afdde77f
1 changed files with 13 additions and 6 deletions
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19
libs/video/renderer/vulkan/vulkan_bsp.c
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@ -722,6 +722,10 @@ R_VisitWorldNodes (mod_brush_t *brush, vulkan_ctx_t *ctx)
node = front;
continue;
}
// front is either not a node (ie, is a leaf) or is not visible
// if node is visible, then at least one of its child nodes
// must also be visible, and a leaf child in front of the node
// will be visible, so no need for vis checks on a leaf
if (front->contents < 0 && front->contents != CONTENTS_SOLID)
visit_leaf ((mleaf_t *) front);
visit_node (brush, node, side, ctx);
@ -1030,8 +1034,7 @@ add_surf_elements (vulktex_t *tex, instsurf_t *is,
elechain_t **ec, elements_t **el,
bspctx_t *bctx, bspframe_t *bframe)
{
msurface_t *surf = is->surface;
bsppoly_t *poly = (bsppoly_t *) surf->polys;
bsppoly_t *poly = (bsppoly_t *) is->surface->polys;
if (!tex->elechain) {
(*ec) = add_elechain (tex, bctx);
@ -1061,6 +1064,8 @@ build_tex_elechain (vulktex_t *tex, bspctx_t *bctx, bspframe_t *bframe)
elements_t *el = 0;
for (is = tex->tex_chain; is; is = is->tex_chain) {
// emit the polygon indices for the the surface to the texture's
// element chain
add_surf_elements (tex, is, &ec, &el, bctx, bframe);
}
}
@ -1157,7 +1162,6 @@ Vulkan_DrawWaterSurfaces (vulkan_ctx_t *ctx)
bspctx_t *bctx = ctx->bsp_context;
bspframe_t *bframe = &bctx->frames.a[ctx->curFrame];
instsurf_t *is;
msurface_t *surf;
vulktex_t *tex = 0;
elechain_t *ec = 0;
elements_t *el = 0;
@ -1172,7 +1176,7 @@ Vulkan_DrawWaterSurfaces (vulkan_ctx_t *ctx)
push_fragconst (&frag_constants, bctx->layout, dfunc,
bframe->cmdSet.a[QFV_bspTurb]);
for (is = bctx->waterchain; is; is = is->tex_chain) {
surf = is->surface;
msurface_t *surf = is->surface;
if (tex != surf->texinfo->texture->render) {
if (tex) {
bind_view (qfv_bsp_texture,
@ -1190,6 +1194,8 @@ Vulkan_DrawWaterSurfaces (vulkan_ctx_t *ctx)
}
tex = surf->texinfo->texture->render;
}
// emit the polygon indices for the the surface to the texture's
// element chain
add_surf_elements (tex, is, &ec, &el, bctx, bframe);
}
if (tex) {
@ -1218,7 +1224,6 @@ Vulkan_DrawSky (vulkan_ctx_t *ctx)
bspctx_t *bctx = ctx->bsp_context;
bspframe_t *bframe = &bctx->frames.a[ctx->curFrame];
instsurf_t *is;
msurface_t *surf;
vulktex_t *tex = 0;
elechain_t *ec = 0;
elements_t *el = 0;
@ -1233,7 +1238,7 @@ Vulkan_DrawSky (vulkan_ctx_t *ctx)
push_fragconst (&frag_constants, bctx->layout, dfunc,
bframe->cmdSet.a[QFV_bspSky]);
for (is = bctx->sky_chain; is; is = is->tex_chain) {
surf = is->surface;
msurface_t *surf = is->surface;
if (tex != surf->texinfo->texture->render) {
if (tex) {
bind_view (qfv_bsp_skysheet,
@ -1251,6 +1256,8 @@ Vulkan_DrawSky (vulkan_ctx_t *ctx)
}
tex = surf->texinfo->texture->render;
}
// emit the polygon indices for the the surface to the texture's
// element chain
add_surf_elements (tex, is, &ec, &el, bctx, bframe);
}
if (tex) {