[Scummvm-git-logs] scummvm master -> 684bd8c7fb08bab77fbe53bbdedeca1dec27cba6

[aquadran]

This automated email contains information about 1 new commit which have been
pushed to the 'scummvm' repo located at https://api.github.com/repos/scummvm/scummvm .

Summary:
684bd8c7fb WINTERMUTE: Use color mask in rendering to stencil buffer


Commit: 684bd8c7fb08bab77fbe53bbdedeca1dec27cba6
    https://github.com/scummvm/scummvm/commit/684bd8c7fb08bab77fbe53bbdedeca1dec27cba6
Author: Paweł Kołodziejski (aquadran at gmail.com)
Date: 2025-10-02T14:32:42+02:00

Commit Message:
WINTERMUTE: Use color mask in rendering to stencil buffer

Changed paths:
    engines/wintermute/base/gfx/opengl/shadow_volume_opengl.cpp
    engines/wintermute/base/gfx/opengl/shadow_volume_opengl_shader.cpp
    engines/wintermute/base/gfx/tinygl/shadow_volume_tinygl.cpp


diff --git a/engines/wintermute/base/gfx/opengl/shadow_volume_opengl.cpp b/engines/wintermute/base/gfx/opengl/shadow_volume_opengl.cpp
index 2683af33d5a..2b0163b8468 100644
--- a/engines/wintermute/base/gfx/opengl/shadow_volume_opengl.cpp
+++ b/engines/wintermute/base/gfx/opengl/shadow_volume_opengl.cpp
@@ -65,6 +65,7 @@ bool ShadowVolumeOpenGL::renderToStencilBuffer() {
 	// Disable z-buffer writes (note: z-testing still occurs), and enable the
 	// stencil-buffer
 	glDepthMask(GL_FALSE);
+	glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
 	glDisable(GL_TEXTURE_2D);
 	glDisable(GL_LIGHTING);
 	glEnable(GL_STENCIL_TEST);
@@ -99,6 +100,7 @@ bool ShadowVolumeOpenGL::renderToStencilBuffer() {
 	glFrontFace(GL_CCW);
 	glShadeModel(GL_SMOOTH);
 	glDepthMask(GL_TRUE);
+	glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
 	glDisable(GL_STENCIL_TEST);
 	glDisable(GL_BLEND);
 
diff --git a/engines/wintermute/base/gfx/opengl/shadow_volume_opengl_shader.cpp b/engines/wintermute/base/gfx/opengl/shadow_volume_opengl_shader.cpp
index b60a7b2b23f..8a7f7924294 100644
--- a/engines/wintermute/base/gfx/opengl/shadow_volume_opengl_shader.cpp
+++ b/engines/wintermute/base/gfx/opengl/shadow_volume_opengl_shader.cpp
@@ -98,6 +98,7 @@ bool ShadowVolumeOpenGLShader::renderToStencilBuffer() {
 	// Disable z-buffer writes (note: z-testing still occurs), and enable the
 	// stencil-buffer
 	glDepthMask(GL_FALSE);
+	glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
 	glDisable(GL_TEXTURE_2D);
 	glEnable(GL_STENCIL_TEST);
 	glEnable(GL_CULL_FACE);
@@ -128,6 +129,7 @@ bool ShadowVolumeOpenGLShader::renderToStencilBuffer() {
 	// Restore render states
 	glFrontFace(GL_CCW);
 	glDepthMask(GL_TRUE);
+	glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
 	glDisable(GL_STENCIL_TEST);
 	glDisable(GL_BLEND);
 
diff --git a/engines/wintermute/base/gfx/tinygl/shadow_volume_tinygl.cpp b/engines/wintermute/base/gfx/tinygl/shadow_volume_tinygl.cpp
index f818572d3fb..19bad805978 100644
--- a/engines/wintermute/base/gfx/tinygl/shadow_volume_tinygl.cpp
+++ b/engines/wintermute/base/gfx/tinygl/shadow_volume_tinygl.cpp
@@ -63,6 +63,7 @@ bool ShadowVolumeTinyGL::renderToStencilBuffer() {
 	// Disable z-buffer writes (note: z-testing still occurs), and enable the
 	// stencil-buffer
 	tglDepthMask(TGL_FALSE);
+	tglColorMask(TGL_FALSE, TGL_FALSE, TGL_FALSE, TGL_FALSE);
 	tglDisable(TGL_TEXTURE_2D);
 	tglDisable(TGL_LIGHTING);
 	tglEnable(TGL_STENCIL_TEST);
@@ -97,6 +98,7 @@ bool ShadowVolumeTinyGL::renderToStencilBuffer() {
 	tglFrontFace(TGL_CCW);
 	tglShadeModel(TGL_SMOOTH);
 	tglDepthMask(TGL_TRUE);
+	tglColorMask(TGL_TRUE, TGL_TRUE, TGL_TRUE, TGL_TRUE);
 	tglDisable(TGL_STENCIL_TEST);
 	tglDisable(TGL_BLEND);