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refactor(render3d): textures behind gpu.ludic, their sampler state recorded

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Texture creation, 2D and array uploads, pixel packing, filters, wraps, comparison, border,
anisotropy, mipmaps, texture units, read-backs and freeing now go through gpu_tex_* and
gpu_bind_sampler, and no other file names them. Each call is the one GL call it replaces,
in the same order, so OpenGL renders bit-identically at the fixed viewpoints and the game's
self-tests report what they did before.

What those calls say about a texture - size, format, layers, min and mag filter, wraps,
comparison, mipmaps, anisotropy - is recorded per handle as it is set: a backend with
immutable images and separate sampler objects creates both from exactly that.
r3d_bind_tex takes a texture kind (GPU_TEX2D / GPU_TEX2D_ARRAY) instead of a GL target.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-15 10:29:28 +03:00
parent 43c379aa0f
commit 4d3479d431
10 changed files with 201 additions and 113 deletions
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10
packages/ludic.render3d/post.ludic
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@ -133,9 +133,9 @@ var post_adapt_i: int = 0
var post_p_adapt: int = 0
var post_adapt_reset: bool = true
function post_measure() -> void {
gl_bind_texture(GL_TEXTURE_2D, post_hdr.color)
gl_tex_parameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR)
gl_generate_mipmap(GL_TEXTURE_2D)
gpu_tex_bind(GPU_TEX2D, post_hdr.color)
gpu_tex_param(GPU_TEX2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR)
gpu_tex_mips(GPU_TEX2D)
if post_adapt_t == null {
post_adapt_t = new []Target
for k in 0 .. 2 { push(post_adapt_t, target_new(1, 1, GL_R32F, GL_RED, GL_FLOAT, false, GL_NEAREST)) }
@ -157,8 +157,8 @@ function post_measure() -> void {
u_f(gpu_uniform(post_p_adapt, "u_reset"), reset)
mesh_draw(post_fs)
post_adapt_i = next
gl_bind_texture(GL_TEXTURE_2D, post_hdr.color)
gl_tex_parameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR)
gpu_tex_bind(GPU_TEX2D, post_hdr.color)
gpu_tex_param(GPU_TEX2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR)
}
function post_begin_scene() -> void {