ilikecats/stk-code_catmod
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Added some (commented out) debug features for gpu particles.

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This commit is contained in:
hiker 2015-04-14 16:35:05 +10:00
parent 2c44bd1201
commit 0627bd85f3
2 changed files with 18 additions and 1 deletions
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18
src/graphics/gpuparticles.cpp
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@ -406,6 +406,24 @@ void ParticleSystemProxy::simulate()
glBindVertexArray(0);
glDisable(GL_RASTERIZER_DISCARD);
#ifdef DEBUG_PARTICLES
// This code maps the data from the particles (initial data, current data
// and output of transform feedback shader) into memory. Useful for debugging.
if (std::string(getName()) == std::string("particles(C:/Users/jhenrich/supertuxkart/stk-assets/textures/skid-particle1.png)"))
{
glBindVertexArray(current_simulation_vao);
glBindBuffer(GL_ARRAY_BUFFER, initial_values_buffer);
ParticleData *p_initial = (ParticleData*)glMapBufferRange(GL_ARRAY_BUFFER, 0, m_count*sizeof(ParticleData), GL_MAP_READ_BIT);
glUnmapBuffer(GL_ARRAY_BUFFER);
glBindBuffer(GL_ARRAY_BUFFER, tfb_buffers[0]);
ParticleData *p_prev = (ParticleData*)glMapBufferRange(GL_ARRAY_BUFFER, 0, m_count*sizeof(ParticleData), GL_MAP_READ_BIT);
glUnmapBuffer(GL_ARRAY_BUFFER);
glBindBuffer(GL_ARRAY_BUFFER, tfb_buffers[1]);
ParticleData *p_new = (ParticleData*)glMapBufferRange(GL_ARRAY_BUFFER, 0, m_count*sizeof(ParticleData), GL_MAP_READ_BIT);
glUnmapBuffer(GL_ARRAY_BUFFER);
}
#endif
std::swap(tfb_buffers[0], tfb_buffers[1]);
std::swap(current_rendering_vao, non_current_rendering_vao);
std::swap(current_simulation_vao, non_current_simulation_vao);

1
src/graphics/gpuparticles.hpp
View File

@ -56,7 +56,6 @@ protected:
virtual void simulate();
virtual void draw();
public:
struct ParticleData
{
float PositionX;