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d3d12: Add a constant for num_buffers

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Reviewed-By: Bill Kristiansen <billkris@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9959>
This commit is contained in:
Jesse Natalie 2021-03-31 15:55:00 -07:00 • committed by Marge Bot
parent 51df136c8b
commit aa1643d141
1 changed files with 5 additions and 4 deletions
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9
src/gallium/winsys/d3d12/wgl/d3d12_wgl_framebuffer.cpp
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@ -42,6 +42,7 @@
#include "d3d12/d3d12_screen.h"
using Microsoft::WRL::ComPtr;
constexpr uint32_t num_buffers = 2;
struct d3d12_wgl_framebuffer {
struct stw_winsys_framebuffer base;
@ -50,7 +51,7 @@ struct d3d12_wgl_framebuffer {
enum pipe_format pformat;
HWND window;
ComPtr<IDXGISwapChain3> swapchain;
struct pipe_resource *buffers[2];
struct pipe_resource *buffers[num_buffers];
};
static struct d3d12_wgl_framebuffer *
@ -75,7 +76,7 @@ d3d12_wgl_framebuffer_resize(stw_winsys_framebuffer *fb,
struct d3d12_dxgi_screen *screen = d3d12_dxgi_screen(framebuffer->screen);
DXGI_SWAP_CHAIN_DESC1 desc = {};
desc.BufferCount = 2;
desc.BufferCount = num_buffers;
desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT | DXGI_USAGE_SHADER_INPUT;
desc.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_TEARING;
desc.Format = d3d12_get_format(templ->format);
@ -114,13 +115,13 @@ d3d12_wgl_framebuffer_resize(stw_winsys_framebuffer *fb,
ctx->screen->fence_reference(ctx->screen, &fence, NULL);
}
for (int i = 0; i < 2; ++i) {
for (int i = 0; i < num_buffers; ++i) {
if (framebuffer->buffers[i]) {
d3d12_resource_release(d3d12_resource(framebuffer->buffers[i]));
pipe_resource_reference(&framebuffer->buffers[i], NULL);
}
}
if (FAILED(framebuffer->swapchain->ResizeBuffers(2, desc.Width, desc.Height, desc.Format, desc.Flags))) {
if (FAILED(framebuffer->swapchain->ResizeBuffers(num_buffers, desc.Width, desc.Height, desc.Format, desc.Flags))) {
debug_printf("D3D12: failed to resize swapchain");
}
}