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ref: gl: use our own matrix functions to create 2D projection and modelview matrices

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This commit is contained in:
Alibek Omarov
2025-10-17 08:15:41 +05:00
parent a7b466e4a9
commit 5d7cb90bea
1 changed files with 8 additions and 3 deletions
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11
ref/gl/gl_draw.c
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@@ -209,16 +209,21 @@ void R_Set2DMode( qboolean enable )
{
if( enable )
{
matrix4x4 projection_matrix, worldview_matrix;
if( glState.in2DMode )
return;
// set 2D virtual screen size
pglViewport( 0, 0, gpGlobals->width, gpGlobals->height );
pglMatrixMode( GL_PROJECTION );
pglLoadIdentity();
pglOrtho( 0, gpGlobals->width, gpGlobals->height, 0, -99999, 99999 );
Matrix4x4_CreateOrtho( projection_matrix, 0, gpGlobals->width, gpGlobals->height, 0, -99999, 99999 );
GL_LoadMatrix( projection_matrix );
pglMatrixMode( GL_MODELVIEW );
pglLoadIdentity();
Matrix4x4_LoadIdentity( worldview_matrix );
GL_LoadMatrix( worldview_matrix );
GL_Cull( GL_NONE );