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GL/ShaderCache: Support geometry shaders

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This commit is contained in:
Connor McLaughlin
2020-04-16 20:41:27 +10:00
parent a43a0a14cc
commit b45b70970b
7 changed files with 103 additions and 44 deletions
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43
src/common/gl/program.cpp
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@ -81,22 +81,43 @@ void Program::ResetLastProgram()
s_last_program_id = 0;
}
bool Program::Compile(const std::string_view vertex_shader, const std::string_view fragment_shader)
bool Program::Compile(const std::string_view vertex_shader, const std::string_view geometry_shader,
const std::string_view fragment_shader)
{
GLuint vertex_shader_id = CompileShader(GL_VERTEX_SHADER, vertex_shader);
if (vertex_shader_id == 0)
return false;
GLuint fragment_shader_id = CompileShader(GL_FRAGMENT_SHADER, fragment_shader);
if (fragment_shader_id == 0)
GLuint vertex_shader_id = 0;
if (!vertex_shader.empty())
{
glDeleteShader(vertex_shader_id);
return false;
vertex_shader_id = CompileShader(GL_VERTEX_SHADER, vertex_shader);
if (vertex_shader_id == 0)
return false;
}
GLuint geometry_shader_id = 0;
if (!geometry_shader.empty())
{
geometry_shader_id = CompileShader(GL_GEOMETRY_SHADER, geometry_shader);
if (geometry_shader_id == 0)
return false;
}
GLuint fragment_shader_id = 0;
if (!fragment_shader.empty())
{
fragment_shader_id = CompileShader(GL_FRAGMENT_SHADER, fragment_shader);
if (fragment_shader_id == 0)
{
glDeleteShader(vertex_shader_id);
return false;
}
}
m_program_id = glCreateProgram();
glAttachShader(m_program_id, vertex_shader_id);
glAttachShader(m_program_id, fragment_shader_id);
if (vertex_shader_id != 0)
glAttachShader(m_program_id, vertex_shader_id);
if (geometry_shader_id != 0)
glAttachShader(m_program_id, geometry_shader_id);
if (fragment_shader_id != 0)
glAttachShader(m_program_id, fragment_shader_id);
return true;
}