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Add Direct3D9 implementation (not tested)

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Sylvain 2021-04-01 14:36:31 +02:00 committed by Sylvain Becker
parent 4ba3763897
commit 4869a3d294
1 changed files with 66 additions and 0 deletions
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66
src/render/direct3d/SDL_render_d3d.c
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@ -1020,6 +1020,58 @@ D3D_QueueCopyEx(SDL_Renderer * renderer, SDL_RenderCommand *cmd, SDL_Texture * t
return 0;
}
static int
D3D_QueueGeometry(SDL_Renderer *renderer, SDL_RenderCommand *cmd, SDL_Texture *texture,
const float *xy, int xy_stride, const int *color, int color_stride, const float *uv, int uv_stride,
int num_vertices, const void *indices, int num_indices, int size_indice,
float scale_x, float scale_y)
{
int i;
int count = indices ? num_indices : num_vertices;
Vertex *verts = (Vertex *) SDL_AllocateRenderVertices(renderer, count * sizeof (Vertex), 0, &cmd->data.draw.first);
if (!verts) {
return -1;
}
cmd->data.draw.count = count;
for (i = 0; i < count; i++) {
int j;
float *xy_;
SDL_Color col_;
if (size_indice == 4) {
j = ((const Uint32 *)indices)[i];
} else if (size_indice == 2) {
j = ((const Uint16 *)indices)[i];
} else if (size_indice == 1) {
j = ((const Uint8 *)indices)[i];
} else {
j = i;
}
xy_ = (float *)((char*)xy + j * xy_stride);
col_ = *(SDL_Color *)((char*)color + j * color_stride);
verts->x = xy_[0] * scale_x;
verts->y = xy_[1] * scale_y;
verts->z = 0.0f;
verts->color = D3DCOLOR_ARGB(col_.a, col_.r, col_.g, col_.b);
if (texture) {
float *uv_ = (float *)((char*)uv + j * uv_stride);
verts->u = uv_[0];
verts->v = uv_[1];
} else {
verts->u = 0.0f;
verts->v = 0.0f;
}
verts += 1;
}
return 0;
}
static int
UpdateDirtyTexture(IDirect3DDevice9 *device, D3D_TextureRep *texture)
{
@ -1432,6 +1484,19 @@ D3D_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *verti
}
break;
}
case SDL_RENDERCMD_GEOMETRY: {
const size_t count = cmd->data.draw.count;
const size_t first = cmd->data.draw.first;
SetDrawState(data, cmd);
if (vbo) {
IDirect3DDevice9_DrawPrimitive(data->device, D3DPT_TRIANGLELIST, (UINT) (first / sizeof (Vertex)), count);
} else {
const Vertex* verts = (Vertex*)(((Uint8*)vertices) + first);
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_TRIANGLELIST, count, verts, sizeof(Vertex));
}
break;
}
case SDL_RENDERCMD_NO_OP:
break;
@ -1727,6 +1792,7 @@ D3D_CreateRenderer(SDL_Window * window, Uint32 flags)
renderer->QueueFillRects = D3D_QueueFillRects;
renderer->QueueCopy = D3D_QueueCopy;
renderer->QueueCopyEx = D3D_QueueCopyEx;
renderer->QueueGeometry = D3D_QueueGeometry;
renderer->RunCommandQueue = D3D_RunCommandQueue;
renderer->RenderReadPixels = D3D_RenderReadPixels;
renderer->RenderPresent = D3D_RenderPresent;