omar/panopainter
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

implement the complete stroke shader with custom blending mode

Browse Source
This commit is contained in:
omigamedev
2017-04-05 15:55:11 +01:00
parent dc693b2232
commit 9a4fd5e5c9
13 changed files with 265 additions and 46 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
engine/layout.h
View File

@@ -1878,21 +1878,36 @@ public:
glViewport(c.x, c.y, c.z, c.w);
glm::vec2 sz = { m_canvas->m_width, m_canvas->m_height };
auto mvp = glm::ortho(0.f, box.z, box.w, 0.f, -1.f, 1.f) *
auto mvp = glm::ortho(0.f, box.z, 0.f, box.w, -1.f, 1.f) *
//glm::translate(glm::vec3((m_size - sz) * 0.5f, 0)) * // center
glm::translate(glm::vec3(0)) * // corner
glm::scale(glm::vec3(sz * zoom, 1)) *
glm::translate(glm::vec3(.5f, .5f, 0.f)); // pivot
m_canvas->m_fb.bindTexture();
m_canvas->m_sampler.bind(0);
ui::ShaderManager::use(kShader::Texture);
ui::ShaderManager::u_int(kShaderUniform::Tex, 0);
ui::ShaderManager::u_mat4(kShaderUniform::MVP, mvp);
bool blend = glIsEnabled(GL_BLEND);
glEnable(GL_BLEND);
m_canvas->m_fb.bindTexture();
NodeBorder::m_plane.draw_fill();
m_canvas->m_sampler.unbind();
m_canvas->m_fb.unbindTexture();
if (m_canvas->m_show_tmp)
{
glEnable(GL_BLEND);
m_canvas->m_tmp.bindTexture();
NodeBorder::m_plane.draw_fill();
m_canvas->m_tmp.unbindTexture();
}
blend ? glEnable(GL_BLEND) : glDisable(GL_BLEND);
m_canvas->m_sampler.unbind();
glViewport(vp[0], vp[1], vp[2], vp[3]);
glClearColor(cc[0], cc[1], cc[2], cc[3]);