ilikecats/stk-code_catmod
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Use stream_copy for tfb buffers.

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This commit is contained in:
Vincent Lejeune
2014-08-21 01:17:16 +02:00
parent dd1f0739f0
commit 5abc404ed9
1 changed files with 5 additions and 5 deletions
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10
src/graphics/gpuparticles.cpp
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@@ -88,7 +88,7 @@ void ParticleSystemProxy::setHeightmap(const std::vector<std::vector<float> > &h
has_height_map = true;
glGenBuffers(1, &heighmapbuffer);
glBindBuffer(GL_TEXTURE_BUFFER, heighmapbuffer);
glBufferData(GL_TEXTURE_BUFFER, width * height * sizeof(float), hm_array, GL_STATIC_DRAW);
glBufferData(GL_TEXTURE_BUFFER, width * height * sizeof(float), hm_array, GL_STREAM_COPY);
glGenTextures(1, &heightmaptexture);
glBindTexture(GL_TEXTURE_BUFFER, heightmaptexture);
glTexBuffer(GL_TEXTURE_BUFFER, GL_R32F, heighmapbuffer);
@@ -386,12 +386,12 @@ void ParticleSystemProxy::generateVAOs()
glBindVertexArray(0);
glGenBuffers(1, &initial_values_buffer);
glBindBuffer(GL_ARRAY_BUFFER, initial_values_buffer);
glBufferData(GL_ARRAY_BUFFER, count * sizeof(ParticleData), ParticleParams, GL_STATIC_DRAW);
glBufferData(GL_ARRAY_BUFFER, count * sizeof(ParticleData), ParticleParams, GL_STREAM_COPY);
glGenBuffers(2, tfb_buffers);
glBindBuffer(GL_ARRAY_BUFFER, tfb_buffers[0]);
glBufferData(GL_ARRAY_BUFFER, count * sizeof(ParticleData), InitialValues, GL_STATIC_DRAW);
glBufferData(GL_ARRAY_BUFFER, count * sizeof(ParticleData), InitialValues, GL_STREAM_COPY);
glBindBuffer(GL_ARRAY_BUFFER, tfb_buffers[1]);
glBufferData(GL_ARRAY_BUFFER, count * sizeof(ParticleData), 0, GL_STATIC_DRAW);
glBufferData(GL_ARRAY_BUFFER, count * sizeof(ParticleData), 0, GL_STREAM_COPY);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glGenVertexArrays(1, &current_rendering_vao);
@@ -420,7 +420,7 @@ void ParticleSystemProxy::generateVAOs()
}
glGenBuffers(1, &quaternionsbuffer);
glBindBuffer(GL_ARRAY_BUFFER, quaternionsbuffer);
glBufferData(GL_ARRAY_BUFFER, 4 * count * sizeof(float), quaternions, GL_STATIC_DRAW);
glBufferData(GL_ARRAY_BUFFER, 4 * count * sizeof(float), quaternions, GL_STREAM_COPY);
delete[] quaternions;
}