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export png frames for animation

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omigamedev
2018-03-12 01:32:37 +01:00
parent c764d61266
commit 658755c882
1 changed files with 27 additions and 14 deletions
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41
engine/canvas.cpp
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@@ -1123,7 +1123,6 @@ void ui::Canvas::export_anim(std::string data_path)
// prepare common states // prepare common states
glViewport(0, 0, m_width, m_height); glViewport(0, 0, m_width, m_height);
glEnable(GL_BLEND);
RTT m_latlong; RTT m_latlong;
m_latlong.create(m_width * 4, m_height * 2); // NOTE: w and h must be equal to make sense m_latlong.create(m_width * 4, m_height * 2); // NOTE: w and h must be equal to make sense
@@ -1141,18 +1140,29 @@ void ui::Canvas::export_anim(std::string data_path)
GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, // top GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, // top
GL_TEXTURE_CUBE_MAP_POSITIVE_Y, // bottom GL_TEXTURE_CUBE_MAP_POSITIVE_Y, // bottom
}; };
int seq = 0;
for (auto layer_index : m_order) for (auto layer_index : m_order)
{ {
glViewport(0, 0, m_width, m_height); glViewport(0, 0, m_width, m_height);
for (int i = 0; i < 6; i++) for (int i = 0; i < 6; i++)
{ {
m_tmp[i].bindFramebuffer(); m_tmp[i].bindFramebuffer();
m_tmp[i].clear({ 1, 1, 1, 1 });
ui::ShaderManager::use(kShader::Checkerboard);
ui::ShaderManager::u_mat4(kShaderUniform::MVP, glm::ortho(-.5f, .5f, -.5f, .5f, -1.f, 1.f));
m_plane.draw_fill();
if (seq == 0)
{
m_tmp[i].clear({ 1, 1, 1, 1 });
ui::ShaderManager::use(kShader::Checkerboard);
ui::ShaderManager::u_mat4(kShaderUniform::MVP, glm::ortho(-.5f, .5f, -.5f, .5f, -1.f, 1.f));
m_plane.draw_fill();
glEnable(GL_BLEND);
}
else
{
m_tmp[i].clear({ 1, 1, 1, 0 });
glDisable(GL_BLEND);
}
glActiveTexture(GL_TEXTURE0); glActiveTexture(GL_TEXTURE0);
ShaderManager::use(ui::kShader::TextureAlpha); ShaderManager::use(ui::kShader::TextureAlpha);
ShaderManager::u_float(kShaderUniform::Alpha, 1); ShaderManager::u_float(kShaderUniform::Alpha, 1);
@@ -1174,29 +1184,32 @@ void ui::Canvas::export_anim(std::string data_path)
m_tmp[i].unbindFramebuffer(); m_tmp[i].unbindFramebuffer();
} }
glViewport(0, 0, m_latlong.getWidth(), m_latlong.getHeight()); glViewport(0, 0, m_latlong.getWidth(), m_latlong.getHeight());
glActiveTexture(GL_TEXTURE0); glActiveTexture(GL_TEXTURE0);
m_latlong.bindFramebuffer(); m_latlong.bindFramebuffer();
m_latlong.clear({ 1, 1, 1, 1 }); m_latlong.clear({ 1, 1, 1, 0 });
ui::ShaderManager::use(kShader::Equirect); ui::ShaderManager::use(kShader::Equirect);
ui::ShaderManager::u_mat4(kShaderUniform::MVP, glm::ortho(-.5f, .5f, -.5f, .5f, -1.f, 1.f)); ui::ShaderManager::u_mat4(kShaderUniform::MVP, glm::ortho(-.5f, .5f, -.5f, .5f, -1.f, 1.f));
ui::ShaderManager::u_int(kShaderUniform::Tex, 0); ui::ShaderManager::u_int(kShaderUniform::Tex, 0);
glBindTexture(GL_TEXTURE_CUBE_MAP, cube_id); glBindTexture(GL_TEXTURE_CUBE_MAP, cube_id);
m_sampler.bind(0); glDisable(GL_BLEND);
m_sampler_mask.bind(0);
m_plane.draw_fill(); m_plane.draw_fill();
m_sampler.unbind(); m_sampler_mask.unbind();
glBindTexture(GL_TEXTURE_CUBE_MAP, 0); glBindTexture(GL_TEXTURE_CUBE_MAP, 0);
m_latlong.unbindFramebuffer(); m_latlong.unbindFramebuffer();
{ {
auto latlong_data = std::make_unique<uint8_t[]>(m_latlong.bytes()); auto latlong_data = std::make_unique<uint8_t[]>(m_latlong.bytes());
m_latlong.readTextureData(latlong_data.get()); m_latlong.readTextureData(latlong_data.get());
static char name[128]; static char name[128];
sprintf(name, "%s/latlong-frame%02d.jpg", data_path.c_str(), layer_index); sprintf(name, "%s/latlong-frame%02d.png", data_path.c_str(), seq);
seq++;
LOG("writing %s", name); LOG("writing %s", name);
//int ret = stbi_write_png(name, m_latlong.getWidth(), m_latlong.getHeight(), 4, latlong_data.get(), m_latlong.stride()); int ret = stbi_write_png(name, m_latlong.getWidth(), m_latlong.getHeight(), 4, latlong_data.get(), m_latlong.stride());
jpge::params params; //jpge::params params;
params.m_quality = 100; //params.m_quality = 100;
bool saved = jpge::compress_image_to_jpeg_file(name, m_latlong.getWidth(), m_latlong.getHeight(), 4, latlong_data.get(), params); //bool saved = jpge::compress_image_to_jpeg_file(name, m_latlong.getWidth(), m_latlong.getHeight(), 4, latlong_data.get(), params);
} }
} }