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properly orphan polygon index buffer after binding

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This commit is contained in:
clayjohn 2019-12-03 07:54:25 -08:00
parent 7255d6c123
commit b2dfbd77ec
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);
#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_ELEMENT_ARRAY_BUFFER, data.polygon_index_buffer_size, NULL, GL_DYNAMIC_DRAW);
#endif
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.
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);
//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);
#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_ELEMENT_ARRAY_BUFFER, data.polygon_index_buffer_size, NULL, GL_DYNAMIC_DRAW);
#endif
uint32_t buffer_ofs = 0;