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Merge branch 'fix-opengl-drawcroppedpatch' into 'next' 

Fix OpenGL V_DrawCroppedPatch (Fixes #452)

Closes #452

See merge request STJr/SRB2!1412
This commit is contained in:
Monster Iestyn 2021-03-24 11:34:58 -04:00
parent b882aea2e4 308ab0e079
commit 91187f91be
1 changed files with 9 additions and 18 deletions
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27
src/hardware/hw_draw.c
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@ -437,18 +437,9 @@ void HWR_DrawCroppedPatch(patch_t *gpatch, fixed_t x, fixed_t y, fixed_t pscale,
if (!(option & V_SCALEPATCHMASK))
{
// if it's meant to cover the whole screen, black out the rest (ONLY IF TOP LEFT ISN'T TRANSPARENT)
// cx and cy are possibly *slightly* off from float maths
// This is done before here compared to software because we directly alter cx and cy to centre
if (cx >= -0.1f && cx <= 0.1f && gpatch->width == BASEVIDWIDTH && cy >= -0.1f && cy <= 0.1f && gpatch->height == BASEVIDHEIGHT)
{
const column_t *column = (const column_t *)((const UINT8 *)(gpatch->columns) + (gpatch->columnofs[0]));
if (!column->topdelta)
{
const UINT8 *source = (const UINT8 *)(column) + 3;
HWR_DrawFill(0, 0, BASEVIDWIDTH, BASEVIDHEIGHT, (column->topdelta == 0xff ? 31 : source[0]));
}
}
// if it's meant to cover the whole screen, black out the rest
// no the patch is cropped do not do this ever
// centre screen
if (fabsf((float)vid.width - (float)BASEVIDWIDTH * dupx) > 1.0E-36f)
{
@ -470,11 +461,11 @@ void HWR_DrawCroppedPatch(patch_t *gpatch, fixed_t x, fixed_t y, fixed_t pscale,
fwidth = w;
fheight = h;
if (fwidth > gpatch->width)
fwidth = gpatch->width;
if (sx + w > gpatch->width)
fwidth = gpatch->width - sx;
if (fheight > gpatch->height)
fheight = gpatch->height;
if (sy + h > gpatch->height)
fheight = gpatch->height - sy;
if (pscale != FRACUNIT)
{
@ -506,13 +497,13 @@ void HWR_DrawCroppedPatch(patch_t *gpatch, fixed_t x, fixed_t y, fixed_t pscale,
v[0].s = v[3].s = ((sx)/(float)(gpatch->width))*hwrPatch->max_s;
if (sx + w > gpatch->width)
v[2].s = v[1].s = hwrPatch->max_s - ((sx+w)/(float)(gpatch->width))*hwrPatch->max_s;
v[2].s = v[1].s = hwrPatch->max_s;
else
v[2].s = v[1].s = ((sx+w)/(float)(gpatch->width))*hwrPatch->max_s;
v[0].t = v[1].t = ((sy)/(float)(gpatch->height))*hwrPatch->max_t;
if (sy + h > gpatch->height)
v[2].t = v[3].t = hwrPatch->max_t - ((sy+h)/(float)(gpatch->height))*hwrPatch->max_t;
v[2].t = v[3].t = hwrPatch->max_t;
else
v[2].t = v[3].t = ((sy+h)/(float)(gpatch->height))*hwrPatch->max_t;