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use merged layer when color picking

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This commit is contained in:
omigamedev
2019-07-28 15:13:04 +02:00
parent 92d4a43fcf
commit 170fee273e
1 changed files with 16 additions and 38 deletions
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54
src/canvas.cpp
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@@ -74,48 +74,16 @@ void Canvas::pick_update(int plane)
App::I->render_task([this, plane]
{
// save viewport and clear color states
GLint vp[4];
GLfloat cc[4];
glGetIntegerv(GL_VIEWPORT, vp);
glGetFloatv(GL_COLOR_CLEAR_VALUE, cc);
GLboolean blend = glIsEnabled(GL_BLEND);
// prepare common states
glViewport(0, 0, m_width, m_height);
glEnable(GL_BLEND);
std::array<bool, 6> faces{ false };
faces[plane] = true;
draw_merge(faces);
int i = plane;
m_tmp[i].bindFramebuffer();
m_tmp[i].clear({ 1, 1, 1, 1 });
ShaderManager::use(kShader::TextureAlpha);
ShaderManager::u_int(kShaderUniform::Highlight, false);
ShaderManager::u_int(kShaderUniform::Tex, 0);
ShaderManager::u_mat4(kShaderUniform::MVP, glm::ortho(-.5f, .5f, -.5f, .5f, -1.f, 1.f));
glActiveTexture(GL_TEXTURE0);
m_sampler.bind(0);
for (auto& l : m_layers)
{
if (!l->m_visible || l->m_opacity == 0.f)
continue;
ShaderManager::u_float(kShaderUniform::Alpha, l->m_opacity);
l->m_rtt[i].bindTexture();
m_plane.draw_fill();
l->m_rtt[i].unbindTexture();
}
m_sampler.unbind();
m_layers_merge.m_rtt[i].bindFramebuffer();
if (!m_pick_data[plane])
m_pick_data[plane] = std::make_unique<glm::u8vec4[]>(m_width * m_height);
glReadPixels(0, 0, m_width, m_height, GL_RGBA, GL_UNSIGNED_BYTE, m_pick_data[plane].get());
m_tmp[i].unbindFramebuffer();
// restore viewport and clear color states
blend ? glEnable(GL_BLEND) : glDisable(GL_BLEND);
glViewport(vp[0], vp[1], vp[2], vp[3]);
glClearColor(cc[0], cc[1], cc[2], cc[3]);
glActiveTexture(GL_TEXTURE0);
m_layers_merge.m_rtt[i].unbindFramebuffer();
});
m_pick_ready[plane] = true;
@@ -958,6 +926,8 @@ void Canvas::draw_merge(std::array<bool, 6> faces /*= SIXPLETTE(false)*/)
{
use_blend |= l->m_blend_mode != 0;
}
if (Canvas::I->m_current_stroke)
use_blend |= Canvas::I->m_current_stroke->m_brush->m_blend_mode != 0;
// if not using shader blend, use gl rasterizer blend
glDisable(GL_DEPTH_TEST);
@@ -1000,6 +970,9 @@ void Canvas::draw_merge(std::array<bool, 6> faces /*= SIXPLETTE(false)*/)
if (m_current_stroke && m_current_mode == kCanvasMode::Erase && m_show_tmp && m_current_layer_idx == layer_index)
{
m_sampler.bind(0);
m_sampler.bind(1);
m_sampler.bind(2);
ShaderManager::use(kShader::CompErase);
ShaderManager::u_int(kShaderUniform::Tex, 0);
ShaderManager::u_int(kShaderUniform::TexStroke, 1);
@@ -1025,6 +998,10 @@ void Canvas::draw_merge(std::array<bool, 6> faces /*= SIXPLETTE(false)*/)
else if (m_current_stroke && m_show_tmp && m_current_layer_idx == layer_index)
{
m_sampler.bind(0);
m_sampler.bind(1);
m_sampler.bind(2);
m_sampler.bind(3);
m_sampler_stencil.bind(4);
glm::vec2 patt_scale = glm::vec2(b->m_pattern_scale);
if (b->m_pattern_flipx) patt_scale.x *= -1.f;
@@ -1081,7 +1058,7 @@ void Canvas::draw_merge(std::array<bool, 6> faces /*= SIXPLETTE(false)*/)
}
else
{
m_sampler.bind(0);
m_cam_fov < 20.f ? m_sampler_nearest.bind(0) : m_sampler.bind(0);
ShaderManager::use(kShader::TextureAlpha);
ShaderManager::u_int(kShaderUniform::Tex, 0);
ShaderManager::u_float(kShaderUniform::Alpha, m_layers[layer_index]->m_opacity);
@@ -1103,6 +1080,7 @@ void Canvas::draw_merge(std::array<bool, 6> faces /*= SIXPLETTE(false)*/)
if (use_blend)
{
m_sampler.bind(0);
m_sampler.bind(2);
ShaderManager::use(kShader::TextureBlend);
ShaderManager::u_int(kShaderUniform::Tex, 0);