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Uniform colors

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This commit is contained in:
samstalhandske
2026-02-03 20:31:12 +01:00
parent b80c321e84
commit 4394179a71
6 changed files with 189 additions and 48 deletions
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77
renderer.odin
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@@ -37,14 +37,6 @@ get_aspect_ratio :: proc(renderer: ^Renderer) -> f32 {
return f32(viewport.width) / f32(viewport.height)
}
Color :: union {
RGB_Color,
RGBA_Color,
}
RGB_Color :: [3]u8
RGBA_Color :: [4]u8
create :: proc(surface_ptr: rawptr) -> (^Renderer, bool) {
renderer := new(Renderer)
renderer.surface_ptr = surface_ptr
@@ -153,14 +145,14 @@ render_frame :: proc(renderer: ^Renderer, texture_to_present: ^Texture, clear_co
return
}
view_matrix, _ := get_camera_view_matrix(renderer.active_camera)
projection_matrix, _ := get_camera_projection_matrix(renderer, renderer.active_camera)
camera_view_matrix, _ := get_camera_view_matrix(renderer.active_camera)
camera_projection_matrix, _ := get_camera_projection_matrix(renderer, renderer.active_camera)
set_clear_color(renderer, clear_color)
clear_screen(renderer, true, true)
for i in 0 ..< renderer.pipeline.amount_of_passes {
execute_pass(renderer, renderer.pipeline.passes[i], view_matrix, projection_matrix)
execute_pass(renderer, renderer.pipeline.passes[i], camera_view_matrix, camera_projection_matrix)
}
if texture_to_present != nil { // Present.
@@ -243,7 +235,7 @@ execute_pass :: proc(renderer: ^Renderer, pass: ^Pass, view_matrix, projection_m
scale := linalg.matrix4_scale(dc.scale)
model_matrix *= translation * rotation * scale
activate_material(&dc.material, model_matrix, view_matrix, projection_matrix)
draw_mesh(&dc.mesh)
@@ -295,11 +287,9 @@ execute_post_processing_node :: proc(renderer: ^Renderer, node: ^Post_Processing
continue
}
if set_shader_uniform(node.program, t) {
mat.textures[mat.texture_count] = t.value
mat.texture_count += 1
}
else {
mat.textures[mat.texture_count] = t.value
mat.texture_count += 1
if !set_shader_uniform(node.program, t) {
fmt.printfln("Failed to set uniform-texture %v in program (vs: '%s', fs: '%s').", t.index, vs_path, fs_path)
}
}
@@ -318,6 +308,11 @@ execute_post_processing_node :: proc(renderer: ^Renderer, node: ^Post_Processing
fmt.printfln("Failed to set uniform-vector3 '%s' in program (vs: '%s', fs: '%s').", t.name, vs_path, fs_path)
}
}
case Uniform_Color: {
if !set_shader_uniform(node.program, t) {
fmt.printfln("Failed to set uniform-color '%s' in program (vs: '%s', fs: '%s').", t.name, vs_path, fs_path)
}
}
}
}
@@ -334,9 +329,52 @@ destroy :: proc(renderer: ^Renderer) {
free(renderer)
}
@(private) activate_shader_program :: proc(program: ^Shader_Program) {
when RENDER_BACKEND_OPENGL {
opengl_activate_shader_program(program)
}
}
@(private) activate_material :: proc(material: ^Material, model_matrix, view_matrix, projection_matrix: linalg.Matrix4x4f32, uv_scale: [2]f32 = { 1.0, 1.0 }) {
assert(material != nil)
p := material.shader_program
activate_shader_program(p)
fs_path := p.fragment_shader != nil ? p.fragment_shader.path : "nil"
vs_path := p.vertex_shader != nil ? p.vertex_shader.path : "nil"
for u in material.uniforms {
switch &t in u {
case Uniform_Texture: {
if !set_shader_uniform(p, t) {
fmt.printfln("Failed to set uniform-texture %v in program (vs: '%s', fs: '%s').", t.index, vs_path, fs_path)
}
}
case Uniform_Float: {
if !set_shader_uniform(p, t) {
fmt.printfln("Failed to set uniform-float '%s' in program (vs: '%s', fs: '%s').", t.name, vs_path, fs_path)
}
}
case Uniform_Matrix4f32: {
if !set_shader_uniform(p, t) {
fmt.printfln("Failed to set uniform-matrix4f32 '%s' in program (vs: '%s', fs: '%s').", t.name, vs_path, fs_path)
}
}
case Uniform_Vector3: {
if !set_shader_uniform(p, t) {
fmt.printfln("Failed to set uniform-vector3 '%s' in program (vs: '%s', fs: '%s').", t.name, vs_path, fs_path)
}
}
case Uniform_Color: {
if !set_shader_uniform(p, t) {
fmt.printfln("Failed to set uniform-color '%s' in program (vs: '%s', fs: '%s').", t.name, vs_path, fs_path)
}
}
}
}
when RENDER_BACKEND_OPENGL {
opengl_activate_material(material, model_matrix, view_matrix, projection_matrix)
}
@@ -424,6 +462,11 @@ distance_to_camera :: proc(camera: ^Camera, position: [3]f32) -> f32 {
@(private) activate_fullscreen_material :: proc(renderer: ^Renderer, material: ^Material) { // TODO: SS - Maybe remove.
assert(renderer != nil)
assert(material != nil)
assert(material.shader_program != nil)
activate_shader_program(material.shader_program)
when RENDER_BACKEND_OPENGL {
opengl_activate_fullscreen_material(material)
}