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Merge pull request #34088 from clayjohn/GLES3-polygon-buffer-orphaning-fix

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Properly orphan polygon index buffer after binding
This commit is contained in:
Rémi Verschelde
2019-12-03 18:13:28 +01:00
committed by GitHub
parent 65f5ef9a42 b2dfbd77ec
commit 40d1486cb3
1 changed files with 6 additions and 4 deletions
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10
drivers/gles3/rasterizer_canvas_gles3.cpp
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@@ -327,9 +327,8 @@ void RasterizerCanvasGLES3::_draw_polygon(const int *p_indices, int p_index_coun
glBindBuffer(GL_ARRAY_BUFFER, data.polygon_buffer); glBindBuffer(GL_ARRAY_BUFFER, data.polygon_buffer);
#ifndef GLES_OVER_GL #ifndef GLES_OVER_GL
// Orphan the buffers to avoid CPU/GPU sync points caused by glBufferSubData // Orphan the buffer to avoid CPU/GPU sync points caused by glBufferSubData
glBufferData(GL_ARRAY_BUFFER, data.polygon_buffer_size, NULL, GL_DYNAMIC_DRAW); glBufferData(GL_ARRAY_BUFFER, data.polygon_buffer_size, NULL, GL_DYNAMIC_DRAW);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, data.polygon_index_buffer_size, NULL, GL_DYNAMIC_DRAW);
#endif #endif
uint32_t buffer_ofs = 0; uint32_t buffer_ofs = 0;
@@ -402,6 +401,10 @@ void RasterizerCanvasGLES3::_draw_polygon(const int *p_indices, int p_index_coun
//bind the indices buffer. //bind the indices buffer.
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, data.polygon_index_buffer); glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, data.polygon_index_buffer);
#ifndef GLES_OVER_GL
// Orphan the buffer to avoid CPU/GPU sync points caused by glBufferSubData
glBufferData(GL_ELEMENT_ARRAY_BUFFER, data.polygon_index_buffer_size, NULL, GL_DYNAMIC_DRAW);
#endif
glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, sizeof(int) * p_index_count, p_indices); glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, sizeof(int) * p_index_count, p_indices);
//draw the triangles. //draw the triangles.
@@ -424,9 +427,8 @@ void RasterizerCanvasGLES3::_draw_generic(GLuint p_primitive, int p_vertex_count
glBindBuffer(GL_ARRAY_BUFFER, data.polygon_buffer); glBindBuffer(GL_ARRAY_BUFFER, data.polygon_buffer);
#ifndef GLES_OVER_GL #ifndef GLES_OVER_GL
// Orphan the buffers to avoid CPU/GPU sync points caused by glBufferSubData // Orphan the buffer to avoid CPU/GPU sync points caused by glBufferSubData
glBufferData(GL_ARRAY_BUFFER, data.polygon_buffer_size, NULL, GL_DYNAMIC_DRAW); glBufferData(GL_ARRAY_BUFFER, data.polygon_buffer_size, NULL, GL_DYNAMIC_DRAW);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, data.polygon_index_buffer_size, NULL, GL_DYNAMIC_DRAW);
#endif #endif
uint32_t buffer_ofs = 0; uint32_t buffer_ofs = 0;