b5257cd7a6
Batch #15788 by Yommy: 0 byte-identical, 1 confirmed by peer review. - fn_10125 CRendererDX7::RenderToTexture: logic confirmed by peer review Peer-reviewed-by: ragnarok-clanker, eAthena Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
105 lines
3.8 KiB
C++
105 lines
3.8 KiB
C++
#include "Render/DX7/RenderSystemDX7.h"
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#include "Render/DX7/DeviceOwnerDX7.h"
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#include "Render/Primitives/RenderPrimitive.h"
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#include "Render/RendererDX7.h"
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#include "Render/Textures/TextureCache.h"
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#include "Render/DX7/TextureDX7.h"
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namespace {
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// VTABLE: vt_00837
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class lcSurfaceaAapter {
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public:
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// INLINED
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lcSurfaceaAapter() : surface(nullptr) {
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}
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// INLINED
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virtual ~lcSurfaceaAapter() {
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if (this->surface) {
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this->surface->Release();
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this->surface = nullptr;
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}
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}
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IDirectDrawSurface7* surface;
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};
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}
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// OFFSET: 0x00544120
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// FUNCTION: fn_01813
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bool CTextureDX7::CopySurface(IDirectDrawSurface7* source, const RECT* rectangle) {
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return this->m_surface && SUCCEEDED(this->m_surface->Blt(const_cast<RECT*>(rectangle), source, const_cast<RECT*>(rectangle), DDBLT_WAIT, nullptr));
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}
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// OFFSET: 0x00813CA0
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// FUNCTION: fn_10125
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bool CRendererDX7::RenderToTexture(
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int width, int height, const std::list<RenderPrimitive*>& primitives, CTexture*& texture
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) {
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if (!texture) {
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texture = CreateTexture(width, height, TextureFormat::A8R8G8B8, false, false);
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if (!texture) {
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return false;
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}
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}
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DDSURFACEDESC2 description;
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SecureZeroMemory(&description, sizeof(description));
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description.dwSize = sizeof(description);
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description.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT | DDSD_PIXELFORMAT;
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description.dwWidth = width;
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description.dwHeight = height;
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description.ddsCaps.dwCaps = DDSCAPS_TEXTURE | DDSCAPS_3DDEVICE | DDSCAPS_VIDEOMEMORY | DDSCAPS_LOCALVIDMEM;
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description.ddpfPixelFormat.dwFlags = DDPF_RGB | DDPF_ALPHAPIXELS;
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description.ddpfPixelFormat.dwRGBBitCount = 32;
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description.ddpfPixelFormat.dwRBitMask = 0xFF0000;
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description.ddpfPixelFormat.dwGBitMask = 0xFF00;
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description.ddpfPixelFormat.dwBBitMask = 0xFF;
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description.ddpfPixelFormat.dwRGBAlphaBitMask = 0xFF000000;
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lcSurfaceaAapter target;
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if (FAILED((g_deviceOwnerDX7 ? g_deviceOwnerDX7->draw : nullptr)->CreateSurface(&description, &target.surface, nullptr))) {
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return false;
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}
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lcSurfaceaAapter previous;
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if ((g_deviceOwnerDX7 ? g_deviceOwnerDX7->device : nullptr)->GetRenderTarget(&previous.surface) != S_OK) {
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return false;
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}
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DWORD depth = 0;
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if ((g_deviceOwnerDX7 ? g_deviceOwnerDX7->device : nullptr)->GetRenderState(D3DRENDERSTATE_ZENABLE, &depth) != S_OK) {
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return false;
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}
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DWORD fog = 0;
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if ((g_deviceOwnerDX7 ? g_deviceOwnerDX7->device : nullptr)->GetRenderState(D3DRENDERSTATE_FOGENABLE, &fog) != S_OK) {
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return false;
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}
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if ((g_deviceOwnerDX7 ? g_deviceOwnerDX7->device : nullptr)->SetRenderTarget(target.surface, 0) == S_OK) {
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(g_deviceOwnerDX7 ? g_deviceOwnerDX7->device : nullptr)->SetRenderState(D3DRENDERSTATE_ZENABLE, D3DZB_FALSE);
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(g_deviceOwnerDX7 ? g_deviceOwnerDX7->device : nullptr)->SetRenderState(D3DRENDERSTATE_FOGENABLE, 0);
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(g_deviceOwnerDX7 ? g_deviceOwnerDX7->device : nullptr)->Clear(0, nullptr, D3DCLEAR_TARGET, 0, 0, 0);
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if ((g_deviceOwnerDX7 ? g_deviceOwnerDX7->device : nullptr)->BeginScene() == S_OK) {
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for (auto* primitive : primitives) {
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auto* selected = static_cast<CTextureDX7*>(primitive->texture);
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this->SetTexture(0, selected);
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primitive->Draw(reinterpret_cast<int>(g_deviceOwnerDX7 ? g_deviceOwnerDX7->device : nullptr));
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}
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(g_deviceOwnerDX7 ? g_deviceOwnerDX7->device : nullptr)->EndScene();
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RECT rectangle{0, 0, width, height};
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static_cast<CTextureDX7*>(texture)->CopySurface(target.surface, &rectangle);
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}
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(g_deviceOwnerDX7 ? g_deviceOwnerDX7->device : nullptr)->SetRenderTarget(previous.surface, 0);
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(g_deviceOwnerDX7 ? g_deviceOwnerDX7->device : nullptr)->SetRenderState(D3DRENDERSTATE_ZENABLE, depth);
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(g_deviceOwnerDX7 ? g_deviceOwnerDX7->device : nullptr)->SetRenderState(D3DRENDERSTATE_FOGENABLE, fog);
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}
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return true;
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}
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