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LibGL: Implement glGetIntegerv

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This commit is contained in:
Jesse Buhagiar 2021-08-17 18:58:21 +10:00 • committed by Andreas Kling
parent 0b67369830
commit 8ad42e6771
5 changed files with 28 additions and 0 deletions
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3
Userland/Libraries/LibGL/GL/gl.h
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@ -64,6 +64,8 @@ extern "C" {
// Alpha blending // Alpha blending
#define GL_BLEND 0x0BE2 #define GL_BLEND 0x0BE2
#define GL_BLEND_SRC_ALPHA 0x0302
#define GL_BLEND_DST_ALPHA 0x0304
// Utility // Utility
#define GL_VENDOR 0x1F00 #define GL_VENDOR 0x1F00
@ -358,6 +360,7 @@ GLAPI void glBindTexture(GLenum target, GLuint texture);
GLAPI void glActiveTexture(GLenum texture); GLAPI void glActiveTexture(GLenum texture);
GLAPI void glGetFloatv(GLenum pname, GLfloat* params); GLAPI void glGetFloatv(GLenum pname, GLfloat* params);
GLAPI void glGetBooleanv(GLenum pname, GLboolean* data); GLAPI void glGetBooleanv(GLenum pname, GLboolean* data);
GLAPI void glGetIntegerv(GLenum pname, GLint* data);
GLAPI void glDepthMask(GLboolean flag); GLAPI void glDepthMask(GLboolean flag);
GLAPI void glEnableClientState(GLenum cap); GLAPI void glEnableClientState(GLenum cap);
GLAPI void glDisableClientState(GLenum cap); GLAPI void glDisableClientState(GLenum cap);

1
Userland/Libraries/LibGL/GLContext.h
View file

@ -73,6 +73,7 @@ public:
virtual void gl_draw_elements(GLenum mode, GLsizei count, GLenum type, const void* indices) = 0; virtual void gl_draw_elements(GLenum mode, GLsizei count, GLenum type, const void* indices) = 0;
virtual void gl_color_mask(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha) = 0; virtual void gl_color_mask(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha) = 0;
virtual void gl_get_booleanv(GLenum pname, GLboolean* data) = 0; virtual void gl_get_booleanv(GLenum pname, GLboolean* data) = 0;
virtual void gl_get_integerv(GLenum pname, GLint* data) = 0;
virtual void present() = 0; virtual void present() = 0;
}; };

5
Userland/Libraries/LibGL/GLUtils.cpp
View file

@ -100,6 +100,11 @@ void glGetBooleanv(GLenum pname, GLboolean* data)
g_gl_context->gl_get_booleanv(pname, data); g_gl_context->gl_get_booleanv(pname, data);
} }
void glGetIntegerv(GLenum pname, GLint* data)
{
g_gl_context->gl_get_integerv(pname, data);
}
void glDepthMask(GLboolean flag) void glDepthMask(GLboolean flag)
{ {
g_gl_context->gl_depth_mask(flag); g_gl_context->gl_depth_mask(flag);

18
Userland/Libraries/LibGL/SoftwareGLContext.cpp
View file

@ -1416,6 +1416,24 @@ void SoftwareGLContext::gl_get_booleanv(GLenum pname, GLboolean* data)
} }
} }
void SoftwareGLContext::gl_get_integerv(GLenum pname, GLint* data)
{
RETURN_WITH_ERROR_IF(m_in_draw_state, GL_INVALID_OPERATION);
switch (pname) {
case GL_BLEND_SRC_ALPHA:
*data = m_blend_source_factor;
break;
case GL_BLEND_DST_ALPHA:
*data = m_blend_destination_factor;
break;
default:
// According to the Khronos docs, we always return GL_INVALID_ENUM if we encounter a non-accepted value
// for `pname`
RETURN_WITH_ERROR_IF(true, GL_INVALID_ENUM);
}
}
void SoftwareGLContext::gl_depth_mask(GLboolean flag) void SoftwareGLContext::gl_depth_mask(GLboolean flag)
{ {
APPEND_TO_CALL_LIST_AND_RETURN_IF_NEEDED(gl_depth_mask, flag); APPEND_TO_CALL_LIST_AND_RETURN_IF_NEEDED(gl_depth_mask, flag);

1
Userland/Libraries/LibGL/SoftwareGLContext.h
View file

@ -83,6 +83,7 @@ public:
virtual void gl_draw_elements(GLenum mode, GLsizei count, GLenum type, const void* indices) override; virtual void gl_draw_elements(GLenum mode, GLsizei count, GLenum type, const void* indices) override;
virtual void gl_color_mask(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha) override; virtual void gl_color_mask(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha) override;
virtual void gl_get_booleanv(GLenum pname, GLboolean* data) override; virtual void gl_get_booleanv(GLenum pname, GLboolean* data) override;
virtual void gl_get_integerv(GLenum pname, GLint* data) override;
virtual void present() override; virtual void present() override;
private: private: