quartznet/raylib
Watch
2
0
Fork
You've already forked raylib
 0
Code Issues Pull requests Releases 25 Activity

single dispatch table for the lines

Browse source 
same logic as for the points
This commit is contained in:
Bigfoot71 2026-07-17 11:21:36 +02:00
commit 5da656df5c
1 changed files with 18 additions and 24 deletions
Download patch file Download diff file Expand all files Collapse all files

42
src/external/rlsw.h vendored
View file

@ -3220,15 +3220,11 @@ static const sw_raster_quad_f SW_RASTER_QUAD_TABLE[] = {
#include __FILE__
#undef SW_RASTER_LINE_STATES
SW_RASTER_VARIANTS_3(SW_RASTER_FWD, sw_raster_line_, (const sw_vertex_t*, const sw_vertex_t*)) // NOLINT
SW_RASTER_VARIANTS_3(SW_RASTER_FWD, sw_raster_line_thick_, (const sw_vertex_t*, const sw_vertex_t*)) // NOLINT
SW_RASTER_VARIANTS_2(SW_RASTER_FWD, sw_raster_line_, (const sw_vertex_t*, const sw_vertex_t*)) // NOLINT
static const sw_raster_line_f SW_RASTER_LINE_TABLE[] = {
SW_RASTER_VARIANTS_2(SW_RASTER_ENTRY, sw_raster_line_)
};
static const sw_raster_line_f SW_RASTER_LINE_THICK_TABLE[] = {
SW_RASTER_VARIANTS_2(SW_RASTER_ENTRY, sw_raster_line_thick_)
};
//-------------------------------------------------------------------------------------------
// Point rasterizer variant dispatch
@ -3638,17 +3634,8 @@ static bool sw_line_clip_and_project(sw_vertex_t *v0, sw_vertex_t *v1)
static void sw_line_render(uint32_t state, sw_vertex_t *vertices)
{
if (!sw_line_clip_and_project(&vertices[0], &vertices[1])) return;
state &= SW_RASTER_LINE_STATE_MASK;
if (RLSW.lineWidth >= 2.0f)
{
SW_RASTER_LINE_THICK_TABLE[state](&vertices[0], &vertices[1]);
}
else
{
SW_RASTER_LINE_TABLE[state](&vertices[0], &vertices[1]);
}
SW_RASTER_LINE_TABLE[state](&vertices[0], &vertices[1]);
}
//-------------------------------------------------------------------------------------------
@ -5735,15 +5722,16 @@ static void SW_RASTER_QUAD(const sw_vertex_t *a, const sw_vertex_t *b,
#endif // SW_RASTER_QUAD_STATES
//-------------------------------------------------------------------------------------------
// Quad rasterization functions
// Line rasterization functions
//-------------------------------------------------------------------------------------------
#ifdef SW_RASTER_LINE_STATES
#define SW_RASTER_LINE_FLAGS SW_FLAGS(SW_RASTER_LINE_STATES)
#define SW_RASTER_LINE_THIN SW_CONCATX(sw_raster_line_thin_, SW_NAME(SW_RASTER_LINE_STATES))
#define SW_RASTER_LINE SW_CONCATX(sw_raster_line_, SW_NAME(SW_RASTER_LINE_STATES))
#define SW_RASTER_LINE_THICK SW_CONCATX(sw_raster_line_thick_, SW_NAME(SW_RASTER_LINE_STATES))
static void SW_RASTER_LINE(const sw_vertex_t *v0, const sw_vertex_t *v1)
// Renders a single-pixel-wide line; internal building block for SW_RASTER_LINE
static void SW_RASTER_LINE_THIN(const sw_vertex_t *v0, const sw_vertex_t *v1)
{
// Convert from pixel-center convention (n+0.5) to pixel-origin convention (n)
float x0 = v0->position[0] - 0.5f;
@ -5855,8 +5843,14 @@ static void SW_RASTER_LINE(const sw_vertex_t *v0, const sw_vertex_t *v1)
}
}
static void SW_RASTER_LINE_THICK(const sw_vertex_t *v0, const sw_vertex_t *v1)
static void SW_RASTER_LINE(const sw_vertex_t *v0, const sw_vertex_t *v1)
{
if (RLSW.lineWidth < 2.0f)
{
SW_RASTER_LINE_THIN(v0, v1);
return;
}
sw_vertex_t tv0, tv1;
int x0 = (int)v0->position[0];
@ -5867,7 +5861,7 @@ static void SW_RASTER_LINE_THICK(const sw_vertex_t *v0, const sw_vertex_t *v1)
int dx = x1 - x0;
int dy = y1 - y0;
SW_RASTER_LINE(v0, v1);
SW_RASTER_LINE_THIN(v0, v1);
if ((dx != 0) && (abs(dy/dx) < 1))
{
@ -5878,11 +5872,11 @@ static void SW_RASTER_LINE_THICK(const sw_vertex_t *v0, const sw_vertex_t *v1)
tv0 = *v0, tv1 = *v1;
tv0.position[1] -= i;
tv1.position[1] -= i;
SW_RASTER_LINE(&tv0, &tv1);
SW_RASTER_LINE_THIN(&tv0, &tv1);
tv0 = *v0, tv1 = *v1;
tv0.position[1] += i;
tv1.position[1] += i;
SW_RASTER_LINE(&tv0, &tv1);
SW_RASTER_LINE_THIN(&tv0, &tv1);
}
}
else if (dy != 0)
@ -5894,11 +5888,11 @@ static void SW_RASTER_LINE_THICK(const sw_vertex_t *v0, const sw_vertex_t *v1)
tv0 = *v0, tv1 = *v1;
tv0.position[0] -= i;
tv1.position[0] -= i;
SW_RASTER_LINE(&tv0, &tv1);
SW_RASTER_LINE_THIN(&tv0, &tv1);
tv0 = *v0, tv1 = *v1;
tv0.position[0] += i;
tv1.position[0] += i;
SW_RASTER_LINE(&tv0, &tv1);
SW_RASTER_LINE_THIN(&tv0, &tv1);
}
}
}