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LibGL: Implement GL_QUAD_STRIP

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It seems like we can render this with `GL_TRIANGLE_STRIP`. This makes
the track marks in Tux Racer work.
This commit is contained in:
Jelle Raaijmakers 2021-12-27 01:23:44 +01:00 committed by Andreas Kling
parent 7833f25f8f
commit d9ea1fe4c9
Notes: sideshowbarker 2024-07-18 03:35:30 +09:00 
Author: https://github.com/gmta
Commit: https://github.com/SerenityOS/serenity/commit/d9ea1fe4c91
Pull-request: https://github.com/SerenityOS/serenity/pull/11397
1 changed files with 6 additions and 2 deletions
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8
Userland/Libraries/LibGL/SoftwareGLContext.cpp
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@ -244,6 +244,7 @@ void SoftwareGLContext::gl_end()
&& m_current_draw_mode != GL_TRIANGLE_FAN
&& m_current_draw_mode != GL_TRIANGLE_STRIP
&& m_current_draw_mode != GL_QUADS
&& m_current_draw_mode != GL_QUAD_STRIP
&& m_current_draw_mode != GL_POLYGON) {
m_vertex_list.clear_with_capacity();
@ -265,6 +266,7 @@ void SoftwareGLContext::gl_end()
primitive_type = SoftGPU::PrimitiveType::Triangles;
break;
case GL_TRIANGLE_STRIP:
case GL_QUAD_STRIP:
primitive_type = SoftGPU::PrimitiveType::TriangleStrip;
break;
case GL_TRIANGLE_FAN:
@ -1981,11 +1983,12 @@ void SoftwareGLContext::gl_draw_arrays(GLenum mode, GLint first, GLsizei count)
APPEND_TO_CALL_LIST_AND_RETURN_IF_NEEDED(gl_draw_arrays, mode, first, count);
RETURN_WITH_ERROR_IF(m_in_draw_state, GL_INVALID_OPERATION);
// FIXME: Some modes are still missing (GL_POINTS, GL_LINE_STRIP, GL_LINE_LOOP, GL_LINES,GL_QUAD_STRIP)
// FIXME: Some modes are still missing (GL_POINTS, GL_LINE_STRIP, GL_LINE_LOOP, GL_LINES)
RETURN_WITH_ERROR_IF(!(mode == GL_TRIANGLE_STRIP
|| mode == GL_TRIANGLE_FAN
|| mode == GL_TRIANGLES
|| mode == GL_QUADS
|| mode == GL_QUAD_STRIP
|| mode == GL_POLYGON),
GL_INVALID_ENUM);
@ -2022,11 +2025,12 @@ void SoftwareGLContext::gl_draw_elements(GLenum mode, GLsizei count, GLenum type
APPEND_TO_CALL_LIST_AND_RETURN_IF_NEEDED(gl_draw_elements, mode, count, type, indices);
RETURN_WITH_ERROR_IF(m_in_draw_state, GL_INVALID_OPERATION);
// FIXME: Some modes are still missing (GL_POINTS, GL_LINE_STRIP, GL_LINE_LOOP, GL_LINES,GL_QUAD_STRIP)
// FIXME: Some modes are still missing (GL_POINTS, GL_LINE_STRIP, GL_LINE_LOOP, GL_LINES)
RETURN_WITH_ERROR_IF(!(mode == GL_TRIANGLE_STRIP
|| mode == GL_TRIANGLE_FAN
|| mode == GL_TRIANGLES
|| mode == GL_QUADS
|| mode == GL_QUAD_STRIP
|| mode == GL_POLYGON),
GL_INVALID_ENUM);