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implement sprite scaling

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This commit is contained in:
Alessandro Mauri 2025-10-23 22:30:18 +02:00
parent c63d08c462
commit 793fd1aa28
5 changed files with 33 additions and 18 deletions
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12
src/renderer.c3
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@ -55,7 +55,7 @@ struct QuadAttributes {
short x, y, w, h;
}
struct uv {
short u, v;
short u, v, w, h;
}
uint color;
uint type;
@ -483,7 +483,7 @@ fn void Renderer.create_pipeline(&self, String shader_name, PipelineType type)
}
},
.num_vertex_buffers = 2,
// the description of each vertex
// the description of each vertex, quad and bindings
.vertex_attributes = (GPUVertexAttribute[]){
{ // at location zero there is the position of the vertex
.location = 0,
@ -500,7 +500,7 @@ fn void Renderer.create_pipeline(&self, String shader_name, PipelineType type)
{ // at location two there are the per-quad uv coordinates
.location = 2,
.buffer_slot = 1,
.format = GPU_VERTEXELEMENTFORMAT_SHORT2,
.format = GPU_VERTEXELEMENTFORMAT_SHORT4,
.offset = QuadAttributes.uv.offsetof,
},
{ // at location three there is the quad color
@ -713,11 +713,11 @@ const uint TYPE_FONT = 1;
const uint TYPE_SPRITE = 2;
const uint TYPE_MSDF = 3;
fn bool Renderer.push_sprite(&self, short x, short y, short w, short h, short u, short v, uint color = 0xffffffff, uint type)
fn bool Renderer.push_sprite(&self, short x, short y, short w, short h, short u, short v, short sw, short sh, uint color = 0xffffffff, uint type)
{
QuadAttributes qa = {
.pos = {.x = x, .y = y, .w = w, .h = h},
.uv = {.u = u, .v = v},
.uv = {.u = u, .v = v, .w = sw, .h = sh},
.color = color,
.type = type,
};
@ -980,7 +980,7 @@ fn void Renderer.render_ugui(&self, CmdQueue* queue)
} else {
unreachable("unrecognized command type");
}
self.push_sprite(s.rect.x, s.rect.y, s.texture_rect.w, s.texture_rect.h, s.texture_rect.x, s.texture_rect.y, s.hue.to_uint(), type);
self.push_sprite(s.rect.x, s.rect.y, s.rect.w, s.rect.h, s.texture_rect.x, s.texture_rect.y, s.texture_rect.w, s.texture_rect.h, s.hue.to_uint(), type);
}
}
self.upload_quads();