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authorbunnei <bunneidev@gmail.com>2020-02-19 21:37:41 +0100
committerGitHub <noreply@github.com>2020-02-19 21:37:41 +0100
commitc8261a1a574ef83a368e5e04489f1e0490ca80d3 (patch)
tree9cb692439e88ca95fe217ec1c455c5d61c767ad2 /src/video_core
parentMerge pull request #3437 from namkazt/patch-5 (diff)
parentgl_rasterizer: Use the least generic OpenGL draw function possible (diff)
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Diffstat (limited to 'src/video_core')
-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer.cpp36
1 files changed, 28 insertions, 8 deletions
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index 4bdc8db85..c9c175846 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -617,7 +617,7 @@ void RasterizerOpenGL::Draw(bool is_indexed, bool is_instanced) {
// Setup shaders and their used resources.
texture_cache.GuardSamplers(true);
- const auto primitive_mode = MaxwellToGL::PrimitiveTopology(gpu.regs.draw.topology);
+ const GLenum primitive_mode = MaxwellToGL::PrimitiveTopology(gpu.regs.draw.topology);
SetupShaders(primitive_mode);
texture_cache.GuardSamplers(false);
@@ -650,18 +650,38 @@ void RasterizerOpenGL::Draw(bool is_indexed, bool is_instanced) {
const GLsizei num_instances =
static_cast<GLsizei>(is_instanced ? gpu.mme_draw.instance_count : 1);
if (is_indexed) {
- const GLenum index_format = MaxwellToGL::IndexFormat(gpu.regs.index_array.format);
const GLint base_vertex = static_cast<GLint>(gpu.regs.vb_element_base);
const GLsizei num_vertices = static_cast<GLsizei>(gpu.regs.index_array.count);
- glDrawElementsInstancedBaseVertexBaseInstance(
- primitive_mode, num_vertices, index_format,
- reinterpret_cast<const void*>(index_buffer_offset), num_instances, base_vertex,
- base_instance);
+ const GLvoid* offset = reinterpret_cast<const GLvoid*>(index_buffer_offset);
+ const GLenum format = MaxwellToGL::IndexFormat(gpu.regs.index_array.format);
+ if (num_instances == 1 && base_instance == 0 && base_vertex == 0) {
+ glDrawElements(primitive_mode, num_vertices, format, offset);
+ } else if (num_instances == 1 && base_instance == 0) {
+ glDrawElementsBaseVertex(primitive_mode, num_vertices, format, offset, base_vertex);
+ } else if (base_vertex == 0 && base_instance == 0) {
+ glDrawElementsInstanced(primitive_mode, num_vertices, format, offset, num_instances);
+ } else if (base_vertex == 0) {
+ glDrawElementsInstancedBaseInstance(primitive_mode, num_vertices, format, offset,
+ num_instances, base_instance);
+ } else if (base_instance == 0) {
+ glDrawElementsInstancedBaseVertex(primitive_mode, num_vertices, format, offset,
+ num_instances, base_vertex);
+ } else {
+ glDrawElementsInstancedBaseVertexBaseInstance(primitive_mode, num_vertices, format,
+ offset, num_instances, base_vertex,
+ base_instance);
+ }
} else {
const GLint base_vertex = static_cast<GLint>(gpu.regs.vertex_buffer.first);
const GLsizei num_vertices = static_cast<GLsizei>(gpu.regs.vertex_buffer.count);
- glDrawArraysInstancedBaseInstance(primitive_mode, base_vertex, num_vertices, num_instances,
- base_instance);
+ if (num_instances == 1 && base_instance == 0) {
+ glDrawArrays(primitive_mode, base_vertex, num_vertices);
+ } else if (base_instance == 0) {
+ glDrawArraysInstanced(primitive_mode, base_vertex, num_vertices, num_instances);
+ } else {
+ glDrawArraysInstancedBaseInstance(primitive_mode, base_vertex, num_vertices,
+ num_instances, base_instance);
+ }
}
}