ObjFW/Obj3DEngine
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Add W buffering

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FossilOrigin-Name: ef98223fea88b74ac03f3288f0852d68a0154fed9fe88800b88d7b264812d97b
This commit is contained in:
Jonathan Schleifer 2023-01-13 14:56:21 +00:00
parent 95fd0d1a5d
commit f9c6e34b1e
3 changed files with 15 additions and 12 deletions
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9
src/O3DGlideRenderer.m
View file

@ -171,10 +171,13 @@ grGlideShutdownCdecl(void)
#endif
if (!grSstWinOpen(hWnd, sizeToScreenResolution(resolution),
floatToScreenRefresh(refreshRate), GR_COLORFORMAT_RGBA,
floatToScreenRefresh(refreshRate), GR_COLORFORMAT_ARGB,
GR_ORIGIN_LOWER_LEFT, 2, 1))
@throw [OFInitializationFailedException
exceptionWithClass: self.class];
grDepthBufferMode(GR_DEPTHBUFFER_WBUFFER);
grDepthMask(FXTRUE);
} @catch (id e) {
[self release];
@throw e;
@ -196,7 +199,7 @@ grGlideShutdownCdecl(void)
- (void)beginFrame
{
grBufferClear(0, 0, 0);
grBufferClear(0, 0, GR_WDEPTHVALUE_FARTHEST);
}
- (void)drawPolygonWithVertices: (const O3DVertex *)vertices
@ -216,10 +219,10 @@ grGlideShutdownCdecl(void)
(vertices[i].position.x + 1) * halfWidth;
glideVertices[i].y =
(vertices[i].position.y + 1) * halfHeight;
glideVertices[i].oow = 1.f / vertices[i].position.z;
glideVertices[i].r = vertices[i].color.r * 255;
glideVertices[i].g = vertices[i].color.g * 255;
glideVertices[i].b = vertices[i].color.b * 255;
glideVertices[i].a = vertices[i].color.a * 255;
}
grDrawPolygonVertexList((int)count, glideVertices);

4
src/O3DRenderer.h
View file

@ -19,10 +19,10 @@ OF_ASSUME_NONNULL_BEGIN
typedef struct OF_BOXABLE {
struct {
float x, y;
float x, y, z;
} position;
struct {
float r, g, b, a;
float r, g, b;
} color;
} O3DVertex;

14
tests/TestsAppDelegate.m
View file

@ -32,21 +32,21 @@ OF_APPLICATION_DELEGATE(TestsAppDelegate)
options: nil] autorelease];
const O3DVertex outerTriangle[] = {
{{ -1, -1 }, { 1, 0, 0 }},
{{ 0, 1 }, { 0, 1, 0 }},
{{ 1, -1 }, { 0, 0, 1 }}
{{ -1, -1, 1 }, { 1, 0, 0 }},
{{ 0, 1, 1 }, { 0, 1, 0 }},
{{ 1, -1, 1 }, { 0, 0, 1 }}
};
const O3DVertex innerTriangle[] = {
{{ -0.5, 0.5 }, { 1, 1, 0 }},
{{ 0, -0.5 }, { 0, 1, 1 }},
{{ 0.5, 0.5 }, { 1, 0, 1 }}
{{ -0.5, 0.5, 0 }, { 1, 1, 0 }},
{{ 0, -0.5, 0 }, { 0, 1, 1 }},
{{ 0.5, 0.5, 0 }, { 1, 0, 1 }}
};
OFDate *startDate = [OFDate date];
while (-startDate.timeIntervalSinceNow < 5) {
[renderer beginFrame];
[renderer drawPolygonWithVertices: outerTriangle count: 3];
[renderer drawPolygonWithVertices: innerTriangle count: 3];
[renderer drawPolygonWithVertices: outerTriangle count: 3];
[renderer endFrame];
}