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LibGL: Implement the GL_DITHER parameter

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This commit is contained in:
Jelle Raaijmakers 2021-12-01 22:27:48 +01:00 • committed by Andreas Kling
parent b89524c981
commit a06b69c5b5
3 changed files with 13 additions and 0 deletions
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1
Userland/Libraries/LibGL/GL/gl.h
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@ -59,6 +59,7 @@ extern "C" {
#define GL_FOG 0x0B60
#define GL_DEPTH_TEST 0x0B71
#define GL_STENCIL_TEST 0x0B90
#define GL_DITHER 0x0BD0
#define GL_POLYGON_OFFSET_FILL 0x8037
// Alpha testing

10
Userland/Libraries/LibGL/SoftwareGLContext.cpp
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@ -82,6 +82,8 @@ Optional<ContextParameter> SoftwareGLContext::get_context_parameter(GLenum name)
return ContextParameter { .type = GL_INT, .value = { .integer_value = sizeof(float) * 8 } };
case GL_DEPTH_TEST:
return ContextParameter { .type = GL_BOOL, .value = { .boolean_value = m_depth_test_enabled } };
case GL_DITHER:
return ContextParameter { .type = GL_BOOL, .value = { .boolean_value = m_dither_enabled } };
case GL_DOUBLEBUFFER:
return ContextParameter { .type = GL_BOOL, .value = { .boolean_value = true } };
case GL_GREEN_BITS:
@ -653,6 +655,9 @@ void SoftwareGLContext::gl_enable(GLenum capability)
rasterizer_options.enable_alpha_test = true;
update_rasterizer_options = true;
break;
case GL_DITHER:
m_dither_enabled = true;
break;
case GL_FOG:
rasterizer_options.fog_enabled = true;
update_rasterizer_options = true;
@ -715,6 +720,9 @@ void SoftwareGLContext::gl_disable(GLenum capability)
rasterizer_options.enable_alpha_test = false;
update_rasterizer_options = true;
break;
case GL_DITHER:
m_dither_enabled = false;
break;
case GL_FOG:
rasterizer_options.fog_enabled = false;
update_rasterizer_options = true;
@ -764,6 +772,8 @@ GLboolean SoftwareGLContext::gl_is_enabled(GLenum capability)
return m_blend_enabled;
case GL_ALPHA_TEST:
return m_alpha_test_enabled;
case GL_DITHER:
return m_dither_enabled;
case GL_FOG:
return rasterizer_options.fog_enabled;
case GL_LIGHTING:

2
Userland/Libraries/LibGL/SoftwareGLContext.h
View file

@ -196,6 +196,8 @@ private:
GLenum m_alpha_test_func = GL_ALWAYS;
GLclampf m_alpha_test_ref_value = 0;
bool m_dither_enabled { true };
// Stencil configuration
bool m_stencil_test_enabled { false };