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Merge pull request #75954 from clayjohn/GL-multimesh-one

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Check for instancing without relying on instance_count when drawing 2D meshes
This commit is contained in:
Rémi Verschelde 2023-04-12 09:08:06 +02:00
parent 1b14e1a293 579ca03e88
commit ecbb196728
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GPG key ID: C3336907360768E1
1 changed files with 5 additions and 2 deletions
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7
drivers/gles3/rasterizer_canvas_gles3.cpp
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@ -1310,6 +1310,7 @@ void RasterizerCanvasGLES3::_render_batch(Light *p_lights, uint32_t p_index) {
uint32_t instance_color_offset = 0;
bool instance_uses_color = false;
bool instance_uses_custom_data = false;
bool use_instancing = false;
if (state.canvas_instance_batches[p_index].command_type == Item::Command::TYPE_MESH) {
const Item::CommandMesh *m = static_cast<const Item::CommandMesh *>(state.canvas_instance_batches[p_index].command);
@ -1336,6 +1337,7 @@ void RasterizerCanvasGLES3::_render_batch(Light *p_lights, uint32_t p_index) {
instance_color_offset = mesh_storage->multimesh_get_color_offset(multimesh);
instance_uses_color = mesh_storage->multimesh_uses_colors(multimesh);
instance_uses_custom_data = mesh_storage->multimesh_uses_custom_data(multimesh);
use_instancing = true;
} else if (state.canvas_instance_batches[p_index].command_type == Item::Command::TYPE_PARTICLES) {
const Item::CommandParticles *pt = static_cast<const Item::CommandParticles *>(state.canvas_instance_batches[p_index].command);
@ -1362,6 +1364,7 @@ void RasterizerCanvasGLES3::_render_batch(Light *p_lights, uint32_t p_index) {
instance_color_offset = 8; // 8 bytes for instance transform.
instance_uses_color = true;
instance_uses_custom_data = true;
use_instancing = true;
}
ERR_FAIL_COND(mesh.is_null());
@ -1397,7 +1400,7 @@ void RasterizerCanvasGLES3::_render_batch(Light *p_lights, uint32_t p_index) {
use_index_buffer = true;
}
if (instance_count > 1) {
if (use_instancing) {
if (instance_buffer == 0) {
break;
}
@ -1426,7 +1429,7 @@ void RasterizerCanvasGLES3::_render_batch(Light *p_lights, uint32_t p_index) {
}
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
if (instance_count > 1) {
if (use_instancing) {
glDisableVertexAttribArray(5);
glDisableVertexAttribArray(6);
glDisableVertexAttribArray(7);