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[gl] extracted some common GPU rendering code

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This commit is contained in:
Edu García 2024-05-08 17:40:11 +01:00
parent 6705cd9543
commit 9f1b55162d
2 changed files with 27 additions and 18 deletions
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18
renderer/HardwareBaseGPU.cpp
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@ -51,7 +51,14 @@ bool StateLimited = false;
bool UseMultitexture = false;
bool UseWBuffer = false;
// General renderer states
ubyte Renderer_initted = 0;
// Generic GPU data
int gpu_last_frame_polys_drawn = 0;
int gpu_last_frame_verts_processed = 0;
int gpu_last_uploaded = 0;
float gpu_Alpha_factor = 1.0f;
// Retrieves an error message
@ -96,3 +103,14 @@ void rend_SetAlphaFactor(float val) {
// Returns the current Alpha factor
float rend_GetAlphaFactor(void) { return gpu_Alpha_factor; }
// returns rendering statistics for the frame
void rend_GetStatistics(tRendererStats *stats) {
if (Renderer_initted) {
stats->poly_count = gpu_last_frame_polys_drawn;
stats->vert_count = gpu_last_frame_verts_processed;
stats->texture_uploads = gpu_last_uploaded;
} else {
memset(stats, 0, sizeof(tRendererStats));
}
}

27
renderer/HardwareOpenGL.cpp
View File

@ -67,7 +67,7 @@ int Bumpmap_ready = 0;
ubyte Overlay_type = OT_NONE;
float Z_bias = 0.0f;
ubyte Renderer_close_flag = 0;
ubyte Renderer_initted = 0;
extern ubyte Renderer_initted;
renderer_type Renderer_type = RENDERER_OPENGL;
int WindowGL = 0;
@ -122,9 +122,10 @@ static int Cur_texture_object_num = 1;
static int OpenGL_cache_initted = 0;
static int OpenGL_last_bound[2];
static int Last_texel_unit_set = -1;
static int OpenGL_last_frame_polys_drawn = 0;
static int OpenGL_last_frame_verts_processed = 0;
static int OpenGL_last_uploaded = 0;
extern int gpu_last_frame_polys_drawn;
extern int gpu_last_frame_verts_processed;
extern int gpu_last_uploaded;
extern float gpu_Alpha_factor;
@ -2304,9 +2305,9 @@ void rend_Flip(void) {
}
#endif
OpenGL_last_frame_polys_drawn = OpenGL_polys_drawn;
OpenGL_last_frame_verts_processed = OpenGL_verts_processed;
OpenGL_last_uploaded = OpenGL_uploads;
gpu_last_frame_polys_drawn = OpenGL_polys_drawn;
gpu_last_frame_verts_processed = OpenGL_verts_processed;
gpu_last_uploaded = OpenGL_uploads;
OpenGL_uploads = 0;
OpenGL_polys_drawn = 0;
@ -3039,21 +3040,11 @@ void *rend_RetrieveDirectDrawObj(void **frontsurf, void **backsurf) {
return NULL;
}
// returns rendering statistics for the frame
void rend_GetStatistics(tRendererStats *stats) {
if (Renderer_initted) {
stats->poly_count = OpenGL_last_frame_polys_drawn;
stats->vert_count = OpenGL_last_frame_verts_processed;
stats->texture_uploads = OpenGL_last_uploaded;
} else {
memset(stats, 0, sizeof(tRendererStats));
}
}
void rend_TransformSetToPassthru(void) {
int width = OpenGL_state.screen_width;
int height = OpenGL_state.screen_height;
// TODO: Generalize
// Projection
dglMatrixMode(GL_PROJECTION);
dglLoadIdentity();