static int
D3D_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
int count)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
DWORD color;
Vertex *vertices;
int i;
HRESULT result;
if (data->beginScene) {
IDirect3DDevice9_BeginScene(data->device);
data->beginScene = SDL_FALSE;
}
D3D_SetBlendMode(data, renderer->blendMode);
result =
IDirect3DDevice9_SetTexture(data->device, 0,
(IDirect3DBaseTexture9 *) 0);
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
color = D3DCOLOR_ARGB(renderer->a, renderer->r, renderer->g, renderer->b);
vertices = SDL_stack_alloc(Vertex, count);
for (i = 0; i < count; ++i) {
vertices[i].x = (float) points[i].x;
vertices[i].y = (float) points[i].y;
vertices[i].z = 0.0f;
vertices[i].rhw = 1.0f;
vertices[i].color = color;
vertices[i].u = 0.0f;
vertices[i].v = 0.0f;
}
result =
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_LINESTRIP, count-1,
vertices, sizeof(*vertices));
/* DirectX 9 has the same line rasterization semantics as GDI,
so we need to close the endpoint of the line */
if (points[0].x != points[count-1].x || points[0].y != points[count-1].y) {
vertices[0].x = (float) points[count-1].x;
vertices[0].y = (float) points[count-1].y;
result = IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_POINTLIST, 1, vertices, sizeof(*vertices));
}
SDL_stack_free(vertices);
if (FAILED(result)) {
D3D_SetError("DrawPrimitiveUP()", result);
return -1;
}
return 0;
}
static int
D3D_RenderLine(SDL_Renderer * renderer, int x1, int y1, int x2, int y2)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
DWORD color;
Vertex vertices[2];
HRESULT result;
if (data->beginScene) {
IDirect3DDevice9_BeginScene(data->device);
data->beginScene = SDL_FALSE;
}
color = D3DCOLOR_ARGB(renderer->a, renderer->r, renderer->g, renderer->b);
vertices[0].x = (float) x1 - 0.5f;
vertices[0].y = (float) y1 - 0.5f;
vertices[0].z = 0.0f;
vertices[0].rhw = 1.0f;
vertices[0].color = color;
vertices[0].u = 0.0f;
vertices[0].v = 0.0f;
vertices[1].x = (float) x2 - 0.5f;
vertices[1].y = (float) y2 - 0.5f;
vertices[1].z = 0.0f;
vertices[1].rhw = 1.0f;
vertices[1].color = color;
vertices[1].u = 0.0f;
vertices[1].v = 0.0f;
D3D_SetBlendMode(data, renderer->blendMode);
result =
IDirect3DDevice9_SetTexture(data->device, 0,
(IDirect3DBaseTexture9 *) 0);
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
result =
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_LINELIST, 1,
vertices, sizeof(*vertices));
if (FAILED(result)) {
D3D_SetError("DrawPrimitiveUP()", result);
return -1;
}
return 0;
}
static int
D3D_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
int count)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
DWORD color;
Vertex *vertices;
int i;
HRESULT result;
if (data->beginScene) {
IDirect3DDevice9_BeginScene(data->device);
data->beginScene = SDL_FALSE;
}
D3D_SetBlendMode(data, renderer->blendMode);
result =
IDirect3DDevice9_SetTexture(data->device, 0,
(IDirect3DBaseTexture9 *) 0);
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
color = D3DCOLOR_ARGB(renderer->a, renderer->r, renderer->g, renderer->b);
vertices = SDL_stack_alloc(Vertex, count);
for (i = 0; i < count; ++i) {
vertices[i].x = (float) points[i].x;
vertices[i].y = (float) points[i].y;
vertices[i].z = 0.0f;
vertices[i].rhw = 1.0f;
vertices[i].color = color;
vertices[i].u = 0.0f;
vertices[i].v = 0.0f;
}
result =
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_POINTLIST, count,
vertices, sizeof(*vertices));
SDL_stack_free(vertices);
if (FAILED(result)) {
D3D_SetError("DrawPrimitiveUP()", result);
return -1;
}
return 0;
}
static int
D3D_RenderFillRects(SDL_Renderer * renderer, const SDL_Rect * rects,
int count)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
DWORD color;
int i;
float minx, miny, maxx, maxy;
Vertex vertices[4];
HRESULT result;
if (D3D_ActivateRenderer(renderer) < 0) {
return -1;
}
D3D_SetBlendMode(data, renderer->blendMode);
result =
IDirect3DDevice9_SetTexture(data->device, 0,
(IDirect3DBaseTexture9 *) 0);
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
color = D3DCOLOR_ARGB(renderer->a, renderer->r, renderer->g, renderer->b);
for (i = 0; i < count; ++i) {
const SDL_Rect *rect = &rects[i];
minx = (float) rect->x;
miny = (float) rect->y;
maxx = (float) rect->x + rect->w;
maxy = (float) rect->y + rect->h;
vertices[0].x = minx;
vertices[0].y = miny;
vertices[0].z = 0.0f;
vertices[0].color = color;
vertices[0].u = 0.0f;
vertices[0].v = 0.0f;
vertices[1].x = maxx;
vertices[1].y = miny;
vertices[1].z = 0.0f;
vertices[1].color = color;
vertices[1].u = 0.0f;
vertices[1].v = 0.0f;
vertices[2].x = maxx;
vertices[2].y = maxy;
vertices[2].z = 0.0f;
vertices[2].color = color;
vertices[2].u = 0.0f;
vertices[2].v = 0.0f;
vertices[3].x = minx;
vertices[3].y = maxy;
vertices[3].z = 0.0f;
vertices[3].color = color;
vertices[3].u = 0.0f;
vertices[3].v = 0.0f;
result =
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_TRIANGLEFAN,
2, vertices, sizeof(*vertices));
if (FAILED(result)) {
D3D_SetError("DrawPrimitiveUP()", result);
return -1;
}
}
return 0;
}
static int
D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * dstrect)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
D3D_TextureData *texturedata = (D3D_TextureData *) texture->driverdata;
LPDIRECT3DPIXELSHADER9 shader = NULL;
float minx, miny, maxx, maxy;
float minu, maxu, minv, maxv;
DWORD color;
Vertex vertices[4];
HRESULT result;
if (D3D_ActivateRenderer(renderer) < 0) {
return -1;
}
minx = (float) dstrect->x - 0.5f;
miny = (float) dstrect->y - 0.5f;
maxx = (float) dstrect->x + dstrect->w - 0.5f;
maxy = (float) dstrect->y + dstrect->h - 0.5f;
minu = (float) srcrect->x / texture->w;
maxu = (float) (srcrect->x + srcrect->w) / texture->w;
minv = (float) srcrect->y / texture->h;
maxv = (float) (srcrect->y + srcrect->h) / texture->h;
color = D3DCOLOR_ARGB(texture->a, texture->r, texture->g, texture->b);
vertices[0].x = minx;
vertices[0].y = miny;
vertices[0].z = 0.0f;
vertices[0].color = color;
vertices[0].u = minu;
vertices[0].v = minv;
vertices[1].x = maxx;
vertices[1].y = miny;
vertices[1].z = 0.0f;
vertices[1].color = color;
vertices[1].u = maxu;
vertices[1].v = minv;
vertices[2].x = maxx;
vertices[2].y = maxy;
vertices[2].z = 0.0f;
vertices[2].color = color;
vertices[2].u = maxu;
vertices[2].v = maxv;
vertices[3].x = minx;
vertices[3].y = maxy;
vertices[3].z = 0.0f;
vertices[3].color = color;
vertices[3].u = minu;
vertices[3].v = maxv;
D3D_SetBlendMode(data, texture->blendMode);
if (texturedata->scaleMode != data->scaleMode) {
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MINFILTER,
texturedata->scaleMode);
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MAGFILTER,
texturedata->scaleMode);
data->scaleMode = texturedata->scaleMode;
}
result =
IDirect3DDevice9_SetTexture(data->device, 0, (IDirect3DBaseTexture9 *)
texturedata->texture);
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
if (shader) {
result = IDirect3DDevice9_SetPixelShader(data->device, shader);
if (FAILED(result)) {
D3D_SetError("SetShader()", result);
return -1;
}
}
result =
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_TRIANGLEFAN, 2,
vertices, sizeof(*vertices));
if (FAILED(result)) {
D3D_SetError("DrawPrimitiveUP()", result);
return -1;
}
if (shader) {
result = IDirect3DDevice9_SetPixelShader(data->device, NULL);
if (FAILED(result)) {
D3D_SetError("SetShader()", result);
return -1;
}
}
return 0;
}
static int
D3D_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_FRect * dstrect,
const double angle, const SDL_FPoint * center, const SDL_RendererFlip flip)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
D3D_TextureData *texturedata = (D3D_TextureData *) texture->driverdata;
LPDIRECT3DPIXELSHADER9 shader = NULL;
float minx, miny, maxx, maxy;
float minu, maxu, minv, maxv;
float centerx, centery;
DWORD color;
Vertex vertices[4];
HRESULT result;
if (D3D_ActivateRenderer(renderer) < 0) {
return -1;
}
centerx = center->x;
centery = center->y;
if (flip & SDL_FLIP_HORIZONTAL) {
minx = dstrect->w - centerx - 0.5f;
maxx = -centerx - 0.5f;
}
else {
minx = -centerx - 0.5f;
maxx = dstrect->w - centerx - 0.5f;
}
if (flip & SDL_FLIP_VERTICAL) {
miny = dstrect->h - centery - 0.5f;
maxy = -centery - 0.5f;
}
else {
miny = -centery - 0.5f;
maxy = dstrect->h - centery - 0.5f;
}
minu = (float) srcrect->x / texture->w;
maxu = (float) (srcrect->x + srcrect->w) / texture->w;
minv = (float) srcrect->y / texture->h;
maxv = (float) (srcrect->y + srcrect->h) / texture->h;
color = D3DCOLOR_ARGB(texture->a, texture->r, texture->g, texture->b);
vertices[0].x = minx;
vertices[0].y = miny;
vertices[0].z = 0.0f;
vertices[0].color = color;
vertices[0].u = minu;
vertices[0].v = minv;
vertices[1].x = maxx;
vertices[1].y = miny;
vertices[1].z = 0.0f;
vertices[1].color = color;
vertices[1].u = maxu;
vertices[1].v = minv;
vertices[2].x = maxx;
vertices[2].y = maxy;
vertices[2].z = 0.0f;
vertices[2].color = color;
vertices[2].u = maxu;
vertices[2].v = maxv;
vertices[3].x = minx;
vertices[3].y = maxy;
vertices[3].z = 0.0f;
vertices[3].color = color;
vertices[3].u = minu;
vertices[3].v = maxv;
D3D_SetBlendMode(data, texture->blendMode);
// Rotate and translate
ID3DXMatrixStack_Push(data->matrixStack);
ID3DXMatrixStack_LoadIdentity(data->matrixStack);
ID3DXMatrixStack_RotateYawPitchRoll(data->matrixStack, 0.0, 0.0, (float)(M_PI * (float) angle / 180.0f));
ID3DXMatrixStack_Translate(data->matrixStack, (float)dstrect->x + centerx, (float)dstrect->y + centery, (float)0.0);
IDirect3DDevice9_SetTransform(data->device, D3DTS_VIEW, (D3DMATRIX*)ID3DXMatrixStack_GetTop(data->matrixStack));
if (texturedata->scaleMode != data->scaleMode) {
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MINFILTER,
texturedata->scaleMode);
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MAGFILTER,
texturedata->scaleMode);
data->scaleMode = texturedata->scaleMode;
}
result =
IDirect3DDevice9_SetTexture(data->device, 0, (IDirect3DBaseTexture9 *)
texturedata->texture);
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
if (shader) {
result = IDirect3DDevice9_SetPixelShader(data->device, shader);
if (FAILED(result)) {
D3D_SetError("SetShader()", result);
return -1;
}
}
result =
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_TRIANGLEFAN, 2,
vertices, sizeof(*vertices));
if (FAILED(result)) {
D3D_SetError("DrawPrimitiveUP()", result);
return -1;
}
if (shader) {
result = IDirect3DDevice9_SetPixelShader(data->device, NULL);
if (FAILED(result)) {
D3D_SetError("SetShader()", result);
return -1;
}
}
ID3DXMatrixStack_Pop(data->matrixStack);
ID3DXMatrixStack_Push(data->matrixStack);
ID3DXMatrixStack_LoadIdentity(data->matrixStack);
IDirect3DDevice9_SetTransform(data->device, D3DTS_VIEW, (D3DMATRIX*)ID3DXMatrixStack_GetTop(data->matrixStack));
ID3DXMatrixStack_Pop(data->matrixStack);
return 0;
}
static int
D3D_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
const SDL_Rect * srcrect, const SDL_Rect * dstrect)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
D3D_TextureData *texturedata = (D3D_TextureData *) texture->driverdata;
LPDIRECT3DPIXELSHADER9 shader = NULL;
float minx, miny, maxx, maxy;
float minu, maxu, minv, maxv;
DWORD color;
Vertex vertices[4];
HRESULT result;
if (data->beginScene) {
IDirect3DDevice9_BeginScene(data->device);
data->beginScene = SDL_FALSE;
}
minx = (float) dstrect->x - 0.5f;
miny = (float) dstrect->y - 0.5f;
maxx = (float) dstrect->x + dstrect->w - 0.5f;
maxy = (float) dstrect->y + dstrect->h - 0.5f;
minu = (float) srcrect->x / texture->w;
maxu = (float) (srcrect->x + srcrect->w) / texture->w;
minv = (float) srcrect->y / texture->h;
maxv = (float) (srcrect->y + srcrect->h) / texture->h;
color = D3DCOLOR_ARGB(texture->a, texture->r, texture->g, texture->b);
vertices[0].x = minx;
vertices[0].y = miny;
vertices[0].z = 0.0f;
vertices[0].rhw = 1.0f;
vertices[0].color = color;
vertices[0].u = minu;
vertices[0].v = minv;
vertices[1].x = maxx;
vertices[1].y = miny;
vertices[1].z = 0.0f;
vertices[1].rhw = 1.0f;
vertices[1].color = color;
vertices[1].u = maxu;
vertices[1].v = minv;
vertices[2].x = maxx;
vertices[2].y = maxy;
vertices[2].z = 0.0f;
vertices[2].rhw = 1.0f;
vertices[2].color = color;
vertices[2].u = maxu;
vertices[2].v = maxv;
vertices[3].x = minx;
vertices[3].y = maxy;
vertices[3].z = 0.0f;
vertices[3].rhw = 1.0f;
vertices[3].color = color;
vertices[3].u = minu;
vertices[3].v = maxv;
D3D_SetBlendMode(data, texture->blendMode);
if (texture->blendMode == SDL_BLENDMODE_MASK) {
shader = data->ps_mask;
}
switch (texture->scaleMode) {
case SDL_TEXTURESCALEMODE_NONE:
case SDL_TEXTURESCALEMODE_FAST:
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MINFILTER,
D3DTEXF_POINT);
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MAGFILTER,
D3DTEXF_POINT);
break;
case SDL_TEXTURESCALEMODE_SLOW:
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MINFILTER,
D3DTEXF_LINEAR);
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MAGFILTER,
D3DTEXF_LINEAR);
break;
case SDL_TEXTURESCALEMODE_BEST:
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MINFILTER,
D3DTEXF_GAUSSIANQUAD);
IDirect3DDevice9_SetSamplerState(data->device, 0, D3DSAMP_MAGFILTER,
D3DTEXF_GAUSSIANQUAD);
break;
}
result =
IDirect3DDevice9_SetTexture(data->device, 0, (IDirect3DBaseTexture9 *)
texturedata->texture);
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
if (shader) {
result = IDirect3DDevice9_SetPixelShader(data->device, shader);
if (FAILED(result)) {
D3D_SetError("SetShader()", result);
return -1;
}
}
result =
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_TRIANGLEFAN, 2,
vertices, sizeof(*vertices));
if (FAILED(result)) {
D3D_SetError("DrawPrimitiveUP()", result);
return -1;
}
if (shader) {
result = IDirect3DDevice9_SetPixelShader(data->device, NULL);
if (FAILED(result)) {
D3D_SetError("SetShader()", result);
return -1;
}
}
return 0;
}
static int
D3D_RenderDrawRects(SDL_Renderer * renderer, const SDL_Rect ** rects,
int count)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
DWORD color;
int i;
Vertex vertices[5];
HRESULT result;
if (data->beginScene) {
IDirect3DDevice9_BeginScene(data->device);
data->beginScene = SDL_FALSE;
}
D3D_SetBlendMode(data, renderer->blendMode);
result =
IDirect3DDevice9_SetTexture(data->device, 0,
(IDirect3DBaseTexture9 *) 0);
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
color = D3DCOLOR_ARGB(renderer->a, renderer->r, renderer->g, renderer->b);
for (i = 0; i < SDL_arraysize(vertices); ++i) {
vertices[i].z = 0.0f;
vertices[i].rhw = 1.0f;
vertices[i].color = color;
vertices[i].u = 0.0f;
vertices[i].v = 0.0f;
}
for (i = 0; i < count; ++i) {
const SDL_Rect *rect = rects[i];
vertices[0].x = (float) rect->x;
vertices[0].y = (float) rect->y;
vertices[1].x = (float) rect->x+rect->w-1;
vertices[1].y = (float) rect->y;
vertices[2].x = (float) rect->x+rect->w-1;
vertices[2].y = (float) rect->y+rect->h-1;
vertices[3].x = (float) rect->x;
vertices[3].y = (float) rect->y+rect->h-1;
vertices[4].x = (float) rect->x;
vertices[4].y = (float) rect->y;
result =
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_LINESTRIP, 4,
vertices, sizeof(*vertices));
if (FAILED(result)) {
D3D_SetError("DrawPrimitiveUP()", result);
return -1;
}
}
return 0;
}
static int
D3D_RenderFill(SDL_Renderer * renderer, const SDL_Rect * rect)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
float minx, miny, maxx, maxy;
DWORD color;
Vertex vertices[4];
HRESULT result;
if (data->beginScene) {
IDirect3DDevice9_BeginScene(data->device);
data->beginScene = SDL_FALSE;
}
minx = (float) rect->x - 0.5f;
miny = (float) rect->y - 0.5f;
maxx = (float) rect->x + rect->w - 0.5f;
maxy = (float) rect->y + rect->h - 0.5f;
color = D3DCOLOR_ARGB(renderer->a, renderer->r, renderer->g, renderer->b);
vertices[0].x = minx;
vertices[0].y = miny;
vertices[0].z = 0.0f;
vertices[0].rhw = 1.0f;
vertices[0].color = color;
vertices[0].u = 0.0f;
vertices[0].v = 0.0f;
vertices[1].x = maxx;
vertices[1].y = miny;
vertices[1].z = 0.0f;
vertices[1].rhw = 1.0f;
vertices[1].color = color;
vertices[1].u = 0.0f;
vertices[1].v = 0.0f;
vertices[2].x = maxx;
vertices[2].y = maxy;
vertices[2].z = 0.0f;
vertices[2].rhw = 1.0f;
vertices[2].color = color;
vertices[2].u = 0.0f;
vertices[2].v = 0.0f;
vertices[3].x = minx;
vertices[3].y = maxy;
vertices[3].z = 0.0f;
vertices[3].rhw = 1.0f;
vertices[3].color = color;
vertices[3].u = 0.0f;
vertices[3].v = 0.0f;
D3D_SetBlendMode(data, renderer->blendMode);
result =
IDirect3DDevice9_SetTexture(data->device, 0,
(IDirect3DBaseTexture9 *) 0);
if (FAILED(result)) {
D3D_SetError("SetTexture()", result);
return -1;
}
result =
IDirect3DDevice9_DrawPrimitiveUP(data->device, D3DPT_TRIANGLEFAN, 2,
vertices, sizeof(*vertices));
if (FAILED(result)) {
D3D_SetError("DrawPrimitiveUP()", result);
return -1;
}
return 0;
}
