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Metal: remove RenderCopy and RenderCopyEx from back-end

This commit is contained in:
Sylvain 2021-09-20 17:09:44 +02:00 committed by Ryan C. Gordon
parent 0e5160a056
commit 77026f673b
1 changed files with 2 additions and 144 deletions
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146
src/render/metal/SDL_render_metal.m
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@ -1191,134 +1191,6 @@ METAL_QueueFillRects(SDL_Renderer * renderer, SDL_RenderCommand *cmd, const SDL_
return 0;
}
static int
METAL_QueueCopy(SDL_Renderer * renderer, SDL_RenderCommand *cmd, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_FRect * dstrect)
{
const float texw = (float) texture->w;
const float texh = (float) texture->h;
const int color = (cmd->data.draw.r << 0) | (cmd->data.draw.g << 8) | (cmd->data.draw.b << 16) | (cmd->data.draw.a << 24);
// !!! FIXME: use an index buffer
const size_t vertlen = 4 * (2 * sizeof (float) + sizeof (int) + 2 * sizeof (float));
float *verts = (float *) SDL_AllocateRenderVertices(renderer, vertlen, DEVICE_ALIGN(8), &cmd->data.draw.first);
if (!verts) {
return -1;
}
cmd->data.draw.count = 1;
/* Interleaved positions and texture coordinates */
*(verts++) = dstrect->x;
*(verts++) = dstrect->y + dstrect->h;
*((int *)verts++) = color;
*(verts++) = normtex(srcrect->x, texw);
*(verts++) = normtex(srcrect->y + srcrect->h, texh);
*(verts++) = dstrect->x;
*(verts++) = dstrect->y;
*((int *)verts++) = color;
*(verts++) = normtex(srcrect->x, texw);
*(verts++) = normtex(srcrect->y, texh);
*(verts++) = dstrect->x + dstrect->w;
*(verts++) = dstrect->y + dstrect->h;
*((int *)verts++) = color;
*(verts++) = normtex(srcrect->x + srcrect->w, texw);
*(verts++) = normtex(srcrect->y + srcrect->h, texh);
*(verts++) = dstrect->x + dstrect->w;
*(verts++) = dstrect->y;
*((int *)verts++) = color;
*(verts++) = normtex(srcrect->x + srcrect->w, texw);
*(verts++) = normtex(srcrect->y, texh);
return 0;
}
static int
METAL_QueueCopyEx(SDL_Renderer * renderer, SDL_RenderCommand *cmd, SDL_Texture * texture,
const SDL_Rect * srcquad, const SDL_FRect * dstrect,
const double angle, const SDL_FPoint *center, const SDL_RendererFlip flip)
{
const int color = (cmd->data.draw.r << 0) | (cmd->data.draw.g << 8) | (cmd->data.draw.b << 16) | (cmd->data.draw.a << 24);
const float texw = (float) texture->w;
const float texh = (float) texture->h;
const float rads = (float)(M_PI * (float) angle / 180.0f);
const float c = cosf(rads), s = sinf(rads);
float minu, maxu, minv, maxv;
const size_t vertlen = 16 * sizeof (float) + 4 * (2 * sizeof (float) + sizeof (int) + 2 * sizeof (float));
float *verts;
// cheat and store this offset in (count) because it needs to be aligned in ways other fields don't and we aren't using count otherwise.
verts = (float *) SDL_AllocateRenderVertices(renderer, vertlen, CONSTANT_ALIGN(16), &cmd->data.draw.count);
if (!verts) {
return -1;
}
// transform matrix
SDL_memset(verts, '\0', sizeof (*verts) * 16);
verts[10] = verts[15] = 1.0f;
// rotation
verts[0] = c;
verts[1] = s;
verts[4] = -s;
verts[5] = c;
// translation
verts[12] = dstrect->x + center->x;
verts[13] = dstrect->y + center->y;
// rest of the vertices don't need the aggressive alignment. Pack them in.
verts = (float *) SDL_AllocateRenderVertices(renderer, vertlen, DEVICE_ALIGN(8), &cmd->data.draw.first);
if (!verts) {
return -1;
}
minu = normtex(srcquad->x, texw);
maxu = normtex(srcquad->x + srcquad->w, texw);
minv = normtex(srcquad->y, texh);
maxv = normtex(srcquad->y + srcquad->h, texh);
if (flip & SDL_FLIP_HORIZONTAL) {
float tmp = maxu;
maxu = minu;
minu = tmp;
}
if (flip & SDL_FLIP_VERTICAL) {
float tmp = maxv;
maxv = minv;
minv = tmp;
}
/* Interleaved positions and texture coordinates */
*(verts++) = -center->x;
*(verts++) = dstrect->h - center->y;
*((int *)verts++) = color;
*(verts++) = minu;
*(verts++) = maxv;
*(verts++) = -center->x;
*(verts++) = -center->y;
*((int *)verts++) = color;
*(verts++) = minu;
*(verts++) = minv;
*(verts++) = dstrect->w - center->x;
*(verts++) = dstrect->h - center->y;
*((int *)verts++) = color;
*(verts++) = maxu;
*(verts++) = maxv;
*(verts++) = dstrect->w - center->x;
*(verts++) = -center->y;
*((int *)verts++) = color;
*(verts++) = maxu;
*(verts++) = minv;
return 0;
}
#if SDL_HAVE_RENDER_GEOMETRY
static int
METAL_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,
@ -1364,7 +1236,6 @@ METAL_QueueGeometry(SDL_Renderer *renderer, SDL_RenderCommand *cmd, SDL_Texture
return 0;
}
#endif
typedef struct
{
@ -1611,21 +1482,13 @@ METAL_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *ver
break;
}
case SDL_RENDERCMD_COPY: {
SetCopyState(renderer, cmd, CONSTANTS_OFFSET_IDENTITY, mtlbufvertex, &statecache);
[data.mtlcmdencoder drawPrimitives:MTLPrimitiveTypeTriangleStrip vertexStart:0 vertexCount:4];
case SDL_RENDERCMD_COPY: /* unused */
break;
}
case SDL_RENDERCMD_COPY_EX: {
SetCopyState(renderer, cmd, CONSTANTS_OFFSET_INVALID, mtlbufvertex, &statecache);
[data.mtlcmdencoder setVertexBuffer:mtlbufvertex offset:cmd->data.draw.count atIndex:3]; // transform
[data.mtlcmdencoder drawPrimitives:MTLPrimitiveTypeTriangleStrip vertexStart:0 vertexCount:4];
case SDL_RENDERCMD_COPY_EX: /* unused */
break;
}
case SDL_RENDERCMD_GEOMETRY: {
#if SDL_HAVE_RENDER_GEOMETRY
const size_t count = cmd->data.draw.count;
SDL_Texture *texture = cmd->data.draw.texture;
@ -1636,7 +1499,6 @@ METAL_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *ver
SetDrawState(renderer, cmd, SDL_METAL_FRAGMENT_SOLID, CONSTANTS_OFFSET_IDENTITY, mtlbufvertex, &statecache);
[data.mtlcmdencoder drawPrimitives:MTLPrimitiveTypeTriangle vertexStart:0 vertexCount:count];
}
#endif
break;
}
@ -2020,11 +1882,7 @@ METAL_CreateRenderer(SDL_Window * window, Uint32 flags)
renderer->QueueDrawPoints = METAL_QueueDrawPoints;
renderer->QueueDrawLines = METAL_QueueDrawLines;
renderer->QueueFillRects = METAL_QueueFillRects;
renderer->QueueCopy = METAL_QueueCopy;
renderer->QueueCopyEx = METAL_QueueCopyEx;
#if SDL_HAVE_RENDER_GEOMETRY
renderer->QueueGeometry = METAL_QueueGeometry;
#endif
renderer->RunCommandQueue = METAL_RunCommandQueue;
renderer->RenderReadPixels = METAL_RenderReadPixels;
renderer->RenderPresent = METAL_RenderPresent;