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starting matrix stuff

This commit is contained in:
Adam D. Ruppe 2021-12-10 22:09:17 -05:00
parent d376cc553f
commit 16d05187a3
1 changed files with 44 additions and 15 deletions
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59
simpledisplay.d
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@ -3635,7 +3635,7 @@ struct EventLoop {
EventLoop.get().exit(); EventLoop.get().exit();
} }
__gshared static Object monitor = new Object(); // deliberate CTFE usage here fyi private __gshared static Object monitor = new Object(); // deliberate CTFE usage here fyi
/// Construct an application-global event loop for yourself /// Construct an application-global event loop for yourself
/// See_Also: [SimpleWindow.setEventHandlers] /// See_Also: [SimpleWindow.setEventHandlers]
@ -18256,7 +18256,7 @@ final class OpenGlShader {
version(without_opengl) {} else { version(without_opengl) {} else {
/++ /++
A static container of types and value constructors for opengl 3+ shaders. A static container of experimental types and value constructors for opengl 3+ shaders.
You can declare variables like: You can declare variables like:
@ -18270,6 +18270,12 @@ version(without_opengl) {} else {
``` ```
shader.uniforms.mouse = OGL.vec(mouseX, mouseY); // or OGL.vec2f if you want to be more specific shader.uniforms.mouse = OGL.vec(mouseX, mouseY); // or OGL.vec2f if you want to be more specific
``` ```
This is still extremely experimental, not very useful at this point, and thus subject to change at random.
History:
Added December 7, 2021. Not yet stable.
+/ +/
final class OGL { final class OGL {
static: static:
@ -18301,13 +18307,17 @@ final class OGL {
else static assert(0, "I can't find a gl type suffix for common type " ~ CommonType!T.stringof); else static assert(0, "I can't find a gl type suffix for common type " ~ CommonType!T.stringof);
} }
private template genNames(size_t dim) { private template genNames(size_t dim, size_t dim2 = 0) {
string helper() { string helper() {
string s; string s;
if(dim > 0) s ~= "type x = 0;"; if(dim2) {
if(dim > 1) s ~= "type y = 0;"; s ~= "type["~(dim + '0')~"]["~(dim2 + '0')~"] matrix;";
if(dim > 2) s ~= "type z = 0;"; } else {
if(dim > 3) s ~= "type w = 0;"; if(dim > 0) s ~= "type x = 0;";
if(dim > 1) s ~= "type y = 0;";
if(dim > 2) s ~= "type z = 0;";
if(dim > 3) s ~= "type w = 0;";
}
return s; return s;
} }
@ -18318,23 +18328,42 @@ final class OGL {
template opDispatch(string name) template opDispatch(string name)
if(name.length > 4 && (name[0 .. 3] == "vec" || name[0 .. 3] == "mat")) if(name.length > 4 && (name[0 .. 3] == "vec" || name[0 .. 3] == "mat"))
{ {
// FIXME: matrix can be this or nx4 etc static if(name[4] == 'x') {
enum dim = cast(int) (name[3] - '0'); enum dimX = cast(int) (name[3] - '0');
static assert(dim > 0 && dim <= 4, "Bad dimension for OGL type " ~ name[3]); static assert(dimX > 0 && dimX <= 4, "Bad dimension for OGL X type " ~ name[3]);
enum isArray = name[$ - 1] == 'v';
enum typeSpecifier = isArray ? name[4 .. $ - 1] : name[4 .. $]; enum dimY = cast(int) (name[5] - '0');
alias type = typeFromSpecifier!typeSpecifier; static assert(dimY > 0 && dimY <= 4, "Bad dimension for OGL Y type " ~ name[5]);
enum isArray = name[$ - 1] == 'v';
enum typeSpecifier = isArray ? name[6 .. $ - 1] : name[6 .. $];
alias type = typeFromSpecifier!typeSpecifier;
} else {
enum dim = cast(int) (name[3] - '0');
static assert(dim > 0 && dim <= 4, "Bad dimension for OGL type " ~ name[3]);
enum isArray = name[$ - 1] == 'v';
enum typeSpecifier = isArray ? name[4 .. $ - 1] : name[4 .. $];
alias type = typeFromSpecifier!typeSpecifier;
}
align(1) align(1)
struct opDispatch { struct opDispatch {
align(1): align(1):
mixin(genNames!dim); static if(name[4] == 'x')
mixin(genNames!(dimX, dimY));
else
mixin(genNames!dim);
private void glUniform(OpenGlShader.Uniform assignTo) { private void glUniform(OpenGlShader.Uniform assignTo) {
glUniform(assignTo.id); glUniform(assignTo.id);
} }
private void glUniform(int assignTo) { private void glUniform(int assignTo) {
mixin("glUniform" ~ name[3 .. $])(assignTo, this.tupleof); static if(name[4] == 'x') {
// FIXME
pragma(msg, "This matrix uniform helper has never been tested!!!!");
mixin("glUniformMatrix" ~ name[3 .. $] ~ "v")(assignTo, dimX * dimY, false, this.matrix.ptr);
} else
mixin("glUniform" ~ name[3 .. $])(assignTo, this.tupleof);
} }
} }
} }