diff options
Diffstat (limited to 'src/gallium/state_trackers/d3d1x/progs/d3d11tri/d3d11tri.cpp')
-rwxr-xr-x | src/gallium/state_trackers/d3d1x/progs/d3d11tri/d3d11tri.cpp | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/d3d1x/progs/d3d11tri/d3d11tri.cpp b/src/gallium/state_trackers/d3d1x/progs/d3d11tri/d3d11tri.cpp new file mode 100755 index 0000000000..524b7d1c01 --- /dev/null +++ b/src/gallium/state_trackers/d3d1x/progs/d3d11tri/d3d11tri.cpp @@ -0,0 +1,120 @@ +/************************************************************************** + * + * Copyright 2010 Luca Barbieri + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial + * portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include "d3d11app.h" +#include "d3d11tri.hlsl.ps.h" +#include "d3d11tri.hlsl.vs.h" + +struct vertex { + float position[4]; + float color[4]; +}; + +static struct vertex vertices[3] = +{ + { + { 0.0f, 0.9f, 0.5f, 1.0f }, + { 1.0f, 0.0f, 0.0f, 1.0f } + }, + { + { 0.9f, -0.9f, 0.5f, 1.0f }, + { 0.0f, 0.0f, 1.0f, 1.0f } + }, + { + { -0.9f, -0.9f, 0.5f, 1.0f }, + { 0.0f, 1.0f, 0.0f, 1.0f } + }, +}; + +struct d3d11tri : public d3d11_application +{ + ID3D11PixelShader* ps; + ID3D11VertexShader* vs; + ID3D11InputLayout* layout; + ID3D11Buffer* vb; + + virtual bool init(ID3D11Device* dev, int argc, char** argv) + { + ensure(dev->CreatePixelShader(g_ps, sizeof(g_ps), NULL, &ps)); + ensure(dev->CreateVertexShader(g_vs, sizeof(g_vs), NULL, &vs)); + + D3D11_INPUT_ELEMENT_DESC elements[] = + { + // inverse order to make sure the implementation can properly parse the vertex shader signature + {"COLOR", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, 16, D3D11_INPUT_PER_VERTEX_DATA, 0}, + {"POSITION", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0}, + }; + + ensure(dev->CreateInputLayout(elements, sizeof(elements) / sizeof(elements[0]), g_vs, sizeof(g_vs), &layout)); + D3D11_BUFFER_DESC bufferd; + bufferd.ByteWidth = sizeof(vertices); + bufferd.Usage = D3D11_USAGE_IMMUTABLE; + bufferd.BindFlags = D3D11_BIND_VERTEX_BUFFER; + bufferd.CPUAccessFlags = 0; + bufferd.MiscFlags = 0; + bufferd.StructureByteStride = 0; + + D3D11_SUBRESOURCE_DATA buffersd; + buffersd.pSysMem = vertices; + buffersd.SysMemPitch = sizeof(vertices); + buffersd.SysMemSlicePitch = sizeof(vertices); + + ensure(dev->CreateBuffer(&bufferd, &buffersd, &vb)); + + return true; + } + + virtual void draw(ID3D11DeviceContext* ctx, ID3D11RenderTargetView* rtv, unsigned width, unsigned height, double time) + { + float clear_color[4] = {1, 0, 1, 1}; + D3D11_VIEWPORT vp; + memset(&vp, 0, sizeof(vp)); + vp.Width = (float)width; + vp.Height = (float)height; + vp.MaxDepth = 1.0f; + + ctx->OMSetRenderTargets(1, &rtv, 0); + ctx->RSSetViewports(1, &vp); + + ctx->ClearRenderTargetView(rtv, clear_color); + + ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST); + ctx->IASetInputLayout(layout); + unsigned stride = 2 * 4 * 4; + unsigned offset = 0; + ctx->IASetVertexBuffers(0, 1, &vb, &stride, &offset); + + ctx->VSSetShader(vs, NULL, 0); + ctx->PSSetShader(ps, NULL, 0); + + ctx->Draw(3, 0); + } +}; + +d3d11_application* d3d11_application_create() +{ + return new d3d11tri(); +} |