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r_opengl: add PF_WireFrame and SHADER_NONE

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Draw lines instead of tris and disable shader entirely.
This commit is contained in:
James R 2022-09-11 16:54:15 -07:00
parent 7719cf27fa
commit 0a7ad42c53
2 changed files with 10 additions and 2 deletions
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4
src/hardware/hw_defs.h
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@ -133,6 +133,7 @@ typedef struct
// Predefined shader types // Predefined shader types
enum enum
{ {
SHADER_NONE = -1,
SHADER_DEFAULT = 0, SHADER_DEFAULT = 0,
SHADER_FLOOR, SHADER_FLOOR,
@ -235,7 +236,8 @@ enum EPolyFlags
PF_RemoveYWrap = 0x00010000, // Forces clamp texture on Y PF_RemoveYWrap = 0x00010000, // Forces clamp texture on Y
PF_ForceWrapX = 0x00020000, // Forces repeat texture on X PF_ForceWrapX = 0x00020000, // Forces repeat texture on X
PF_ForceWrapY = 0x00040000, // Forces repeat texture on Y PF_ForceWrapY = 0x00040000, // Forces repeat texture on Y
PF_Ripple = 0x00100000 // Water ripple effect. The current backend doesn't use it for anything. PF_Ripple = 0x00100000, // Water ripple effect. The current backend doesn't use it for anything.
PF_WireFrame = 0x00200000, // Draws vertices as lines instead of triangles
}; };

8
src/hardware/r_opengl/r_opengl.c
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@ -1061,6 +1061,12 @@ EXPORT void HWRAPI(LoadCustomShader) (int number, char *code, size_t size, boole
EXPORT void HWRAPI(SetShader) (int type) EXPORT void HWRAPI(SetShader) (int type)
{ {
#ifdef GL_SHADERS #ifdef GL_SHADERS
if (type == SHADER_NONE)
{
HWRAPI(UnSetShader)();
return;
}
if (gl_allowshaders != HWD_SHADEROPTION_OFF) if (gl_allowshaders != HWD_SHADEROPTION_OFF)
{ {
gl_shader_t *shader = gl_shaderstate.current; gl_shader_t *shader = gl_shaderstate.current;
@ -2319,7 +2325,7 @@ EXPORT void HWRAPI(DrawPolygon) (FSurfaceInfo *pSurf, FOutVector *pOutVerts, FUI
pglVertexPointer(3, GL_FLOAT, sizeof(FOutVector), &pOutVerts[0].x); pglVertexPointer(3, GL_FLOAT, sizeof(FOutVector), &pOutVerts[0].x);
pglTexCoordPointer(2, GL_FLOAT, sizeof(FOutVector), &pOutVerts[0].s); pglTexCoordPointer(2, GL_FLOAT, sizeof(FOutVector), &pOutVerts[0].s);
pglDrawArrays(GL_TRIANGLE_FAN, 0, iNumPts); pglDrawArrays(PolyFlags & PF_WireFrame ? GL_LINES : GL_TRIANGLE_FAN, 0, iNumPts);
if (PolyFlags & PF_RemoveYWrap) if (PolyFlags & PF_RemoveYWrap)
pglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); pglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);