From 4869a3d2942cbb6425c7faf5b7b47f100d206b78 Mon Sep 17 00:00:00 2001
From: Sylvain <[EMAIL REDACTED]>
Date: Thu, 1 Apr 2021 14:36:31 +0200
Subject: [PATCH] Add Direct3D9 implementation (not tested)
---
src/render/direct3d/SDL_render_d3d.c | 66 ++++++++++++++++++++++++++++
1 file changed, 66 insertions(+)
diff --git a/src/render/direct3d/SDL_render_d3d.c b/src/render/direct3d/SDL_render_d3d.c
index 187ab811f9..f1fe4ee39c 100644
--- a/src/render/direct3d/SDL_render_d3d.c
+++ b/src/render/direct3d/SDL_render_d3d.c
@@ -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;