encounter
/
SDL
mirror of https://github.com/encounter/SDL.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Add GeometryQueue

This commit is contained in:
Daniel Santos 2022-07-07 08:24:46 -03:00 committed by Sam Lantinga
parent 3bfc8f554e
commit b48c74a316
1 changed files with 104 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

106
src/render/ps2/SDL_render_ps2.c
View File

@ -34,6 +34,20 @@
/* turn black GS Screen */
#define GS_BLACK GS_SETREG_RGBA(0x00, 0x00, 0x00, 0x80)
typedef struct texture_vertex {
float x;
float y;
float u;
float v;
SDL_Color color;
} texture_vertex;
typedef struct color_vertex {
float x;
float y;
SDL_Color color;
} color_vertex;
typedef struct
{
GSGLOBAL *gsGlobal;
@ -104,8 +118,6 @@ PS2_WindowEvent(SDL_Renderer * renderer, const SDL_WindowEvent *event)
static int
PS2_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
{
int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
GSTEXTURE* ps2_tex = (GSTEXTURE*) SDL_calloc(1, sizeof(GSTEXTURE));
PS2_RenderData *data = (PS2_RenderData *) renderer->driverdata;
@ -206,9 +218,99 @@ PS2_QueueGeometry(SDL_Renderer *renderer, SDL_RenderCommand *cmd, SDL_Texture *t
int num_vertices, const void *indices, int num_indices, int size_indices,
float scale_x, float scale_y)
{
PS2_RenderData *data = (PS2_RenderData *) renderer->driverdata;
int i;
int count = indices ? num_indices : num_vertices;
cmd->data.draw.count = count;
size_indices = indices ? size_indices : 0;
if (texture) {
GSTEXTURE* ps2_tex = (GSTEXTURE*) texture->driverdata;
texture_vertex *vertices;
vertices = (texture_vertex *)SDL_AllocateRenderVertices(renderer,
count * sizeof(texture_vertex),
4,
&cmd->data.draw.first);
if (!vertices) {
return -1;
}
for (i = 0; i < count; i++) {
int j;
float *xy_;
float *uv_;
SDL_Color col_;
if (size_indices == 4) {
j = ((const Uint32 *)indices)[i];
} else if (size_indices == 2) {
j = ((const Uint16 *)indices)[i];
} else if (size_indices == 1) {
j = ((const Uint8 *)indices)[i];
} else {
j = i;
}
xy_ = (float *)((char*)xy + j * xy_stride);
col_ = *(SDL_Color *)((char*)color + j * color_stride);
uv_ = (float *)((char*)uv + j * uv_stride);
vertices[i].x = xy_[0] * scale_x;
vertices[i].y = xy_[1] * scale_y;
vertices[i].u = uv_[0];
vertices[i].v = uv_[1];
vertices[i].color = col_;
vertices++;
}
} else {
color_vertex *vertices;
vertices = (color_vertex *)SDL_AllocateRenderVertices(renderer,
count * sizeof(color_vertex),
4,
&cmd->data.draw.first);
if (!vertices) {
return -1;
}
for (i = 0; i < count; i++) {
int j;
float *xy_;
SDL_Color col_;
if (size_indices == 4) {
j = ((const Uint32 *)indices)[i];
} else if (size_indices == 2) {
j = ((const Uint16 *)indices)[i];
} else if (size_indices == 1) {
j = ((const Uint8 *)indices)[i];
} else {
j = i;
}
xy_ = (float *)((char*)xy + j * xy_stride);
col_ = *(SDL_Color *)((char*)color + j * color_stride);
vertices[i].x = xy_[0] * scale_x;
vertices[i].y = xy_[1] * scale_y;
vertices[i].color = col_;
vertices++;
}
}
return 0;
}
static int
PS2_RenderSetDrawColor(SDL_Renderer *renderer, SDL_RenderCommand *cmd)
{