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LibGL: Implement GL_*_BITS and GL_DOUBLEBUFFER parameters

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This commit is contained in:
Jelle Raaijmakers 2021-12-01 20:42:45 +01:00 • committed by Andreas Kling
parent 033f224966
commit 2af9b625e8
2 changed files with 18 additions and 0 deletions
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7
Userland/Libraries/LibGL/GL/gl.h
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@ -79,7 +79,14 @@ extern "C" {
#define GL_SHADING_LANGUAGE_VERSION 0x8B8C
// Get parameters
#define GL_DOUBLEBUFFER 0x0C32
#define GL_MAX_TEXTURE_SIZE 0x0D33
#define GL_RED_BITS 0x0D52
#define GL_GREEN_BITS 0x0D53
#define GL_BLUE_BITS 0x0D54
#define GL_ALPHA_BITS 0x0D55
#define GL_DEPTH_BITS 0x0D56
#define GL_STENCIL_BITS 0x0D57
#define GL_MAX_TEXTURE_UNITS 0x84E2
// Blend factors

11
Userland/Libraries/LibGL/SoftwareGLContext.cpp
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@ -1582,6 +1582,9 @@ void SoftwareGLContext::gl_get_booleanv(GLenum pname, GLboolean* data)
case GL_DEPTH_TEST:
*data = m_depth_test_enabled ? GL_TRUE : GL_FALSE;
break;
case GL_DOUBLEBUFFER:
*data = GL_TRUE;
break;
case GL_CULL_FACE:
*data = m_cull_faces ? GL_TRUE : GL_FALSE;
break;
@ -1683,6 +1686,14 @@ void SoftwareGLContext::gl_get_integerv(GLenum pname, GLint* data)
case GL_UNPACK_ROW_LENGTH:
*data = m_unpack_row_length;
break;
case GL_RED_BITS:
case GL_GREEN_BITS:
case GL_BLUE_BITS:
case GL_ALPHA_BITS:
case GL_DEPTH_BITS:
case GL_STENCIL_BITS:
*data = sizeof(float) * 8;
break;
default:
// According to the Khronos docs, we always return GL_INVALID_ENUM if we encounter a non-accepted value
// for `pname`