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Merge pull request #1356 from degasus/hotfix 

gl_rasterizer: Fix StartAddress handling with indexed draw calls.
This commit is contained in:
bunnei 2018-09-19 11:58:22 -04:00 committed by GitHub
parent 8dff92c5f6 f465e4aaf2
commit 52fb86c65c
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 7 additions and 6 deletions
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13
src/video_core/renderer_opengl/gl_rasterizer.cpp
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@ -484,8 +484,13 @@ void RasterizerOpenGL::DrawArrays() {
GLintptr index_buffer_offset = 0;
if (is_indexed) {
MICROPROFILE_SCOPE(OpenGL_Index);
index_buffer_offset =
buffer_cache.UploadMemory(regs.index_array.StartAddress(), index_buffer_size);
// Adjust the index buffer offset so it points to the first desired index.
auto index_start = regs.index_array.StartAddress();
index_start += static_cast<size_t>(regs.index_array.first) *
static_cast<size_t>(regs.index_array.FormatSizeInBytes());
index_buffer_offset = buffer_cache.UploadMemory(index_start, index_buffer_size);
}
SetupShaders();
@ -499,10 +504,6 @@ void RasterizerOpenGL::DrawArrays() {
if (is_indexed) {
const GLint base_vertex{static_cast<GLint>(regs.vb_element_base)};
// Adjust the index buffer offset so it points to the first desired index.
index_buffer_offset += static_cast<GLintptr>(regs.index_array.first) *
static_cast<GLintptr>(regs.index_array.FormatSizeInBytes());
if (gpu.state.current_instance > 0) {
glDrawElementsInstancedBaseVertexBaseInstance(
primitive_mode, regs.index_array.count,