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Eevee: Volumetrics: Support Smoke simulation textures.

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It should behave like cycles.

Even if not efficient at all, we still do the same create - draw - free process that was done in the old viewport to save vram (maybe not really the case now) and not care about simulation's GPU texture state sync.
This commit is contained in:
Clément Foucault
2017-10-27 22:35:48 +02:00
parent 4f7665c844
commit bc7c0335dc
9 changed files with 158 additions and 11 deletions
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16
source/blender/gpu/intern/gpu_codegen.c
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@@ -190,6 +190,9 @@ static void gpu_parse_functions_string(GHash *hash, char *code)
if (!type && gpu_str_prefix(code, "sampler2D")) {
type = GPU_TEX2D;
}
if (!type && gpu_str_prefix(code, "sampler3D")) {
type = GPU_TEX3D;
}
if (!type && gpu_str_prefix(code, "Closure")) {
type = GPU_CLOSURE;
@@ -420,6 +423,10 @@ const char *GPU_builtin_name(GPUBuiltin builtin)
return "unfparticleangvel";
else if (builtin == GPU_OBJECT_INFO)
return "unfobjectinfo";
else if (builtin == GPU_VOLUME_DENSITY)
return "sampdensity";
else if (builtin == GPU_VOLUME_FLAME)
return "sampflame";
else
return "";
}
@@ -537,7 +544,14 @@ static int codegen_process_uniforms_functions(GPUMaterial *material, DynStr *ds,
builtins |= input->builtin;
name = GPU_builtin_name(input->builtin);
if (gpu_str_prefix(name, "unf")) {
if (gpu_str_prefix(name, "samp")) {
if ((input->builtin == GPU_VOLUME_DENSITY) ||
(input->builtin == GPU_VOLUME_FLAME))
{
BLI_dynstr_appendf(ds, "uniform sampler3D %s;\n", name);
}
}
else if (gpu_str_prefix(name, "unf")) {
BLI_dynstr_appendf(ds, "uniform %s %s;\n",
GPU_DATATYPE_STR[input->type], name);
}