cl_cin: Support of RGBA png/jpg image with r_retexturing as cinematic

src/client/cl_cin.c

@@ -30,6 +30,20 @@
 #include "header/client.h"
 #include "input/header/input.h"
 
+// don't need HDR stuff
+#define STBI_NO_LINEAR
+#define STBI_NO_HDR
+// make sure STB_image uses standard malloc(), as we'll use standard free() to deallocate
+#define STBI_MALLOC(sz)    malloc(sz)
+#define STBI_REALLOC(p,sz) realloc(p,sz)
+#define STBI_FREE(p)       free(p)
+// Switch of the thread local stuff. Breaks mingw under Windows.
+#define STBI_NO_THREAD_LOCALS
+// include implementation part of stb_image into this file
+#define STB_IMAGE_IMPLEMENTATION
+#include "refresh/files/stb_image.h"
+
+
 extern cvar_t *vid_renderer;
 
 cvar_t *cin_force43;
@@ -50,6 +64,7 @@ typedef struct
 
 	int width;
 	int height;
+	int color_bits;
 	byte *pic;
 	byte *pic_pending;
 
@@ -598,6 +613,12 @@ SCR_DrawCinematic(void)
 	if (Q_stricmp(vid_renderer->string, "soft") == 0)
 	{
 		color = SCR_MinimalColor();
+
+		/* Soft render requires to reset palette before show RGBA image */
+		if (cin.color_bits == 32)
+		{
+			R_SetPalette(NULL);
+		}
 	}
 	else
 	{
@@ -621,16 +642,51 @@ SCR_DrawCinematic(void)
 		Draw_Fill(x, y + h, w, viddef.height - (y + h), color);
 	}
 
-	Draw_StretchRaw(x, y, w, h, cin.width, cin.height, cin.pic);
+	Draw_StretchRaw(x, y, w, h, cin.width, cin.height, cin.pic, cin.color_bits);
 
 	return true;
 }
 
+byte *
+SCR_LoadHiColor(const char* namewe, const char *ext, int *width, int *height)
+{
+	char filename[256];
+	int bytesPerPixel;
+	byte *pic, *data = NULL;
+	void *rawdata;
+	size_t len;
+
+	Q_strlcpy(filename, namewe, sizeof(filename));
+	Q_strlcat(filename, ".", sizeof(filename));
+	Q_strlcat(filename, ext, sizeof(filename));
+
+	len = FS_LoadFile(filename, &rawdata);
+
+	if (!rawdata || len <=0)
+	{
+			return NULL;
+	}
+
+	data = stbi_load_from_memory(rawdata, len, width, height,
+		&bytesPerPixel, STBI_rgb_alpha);
+	if (data == NULL)
+	{
+		FS_FreeFile(rawdata);
+		return NULL;
+	}
+
+	pic = Z_Malloc(cin.height * cin.width * 4);
+	memcpy(pic, data, cin.height * cin.width * 4);
+	free(data);
+
+	return pic;
+}
+
 void
 SCR_PlayCinematic(char *arg)
 {
 	int width, height;
-	byte *palette;
+	byte *palette = NULL;
 	char name[MAX_OSPATH], *dot;
 
 	In_FlushQueue();
@@ -645,11 +701,43 @@ SCR_PlayCinematic(char *arg)
 	/* static pcx image */
 	if (dot && !strcmp(dot, ".pcx"))
 	{
+		cvar_t	*r_retexturing;
+
 		Com_sprintf(name, sizeof(name), "pics/%s", arg);
+		r_retexturing = Cvar_Get("r_retexturing", "1", CVAR_ARCHIVE);
+
+		if (r_retexturing->value)
+		{
+			char namewe[256];
+
+			cin.color_bits = 32;
+
+			/* Remove the extension */
+			memset(namewe, 0, 256);
+			memcpy(namewe, name, strlen(name) - strlen(dot));
+			cin.pic = SCR_LoadHiColor(namewe, "tga", &cin.width, &cin.height);
+
+			if (!cin.pic)
+			{
+				cin.pic = SCR_LoadHiColor(namewe, "png", &cin.width, &cin.height);
+			}
+
+			if (!cin.pic)
+			{
+				cin.pic = SCR_LoadHiColor(namewe, "jpg", &cin.width, &cin.height);
+			}
+		}
+
+		if (!cin.pic)
+		{
 			SCR_LoadPCX(name, &cin.pic, &palette, &cin.width, &cin.height);
+			cin.color_bits = 8;
+		}
+
 		cl.cinematicframe = -1;
 		cl.cinematictime = 1;
 		SCR_EndLoadingPlaque();
+
 		cls.state = ca_active;
 
 		if (!cin.pic)
@@ -657,7 +745,7 @@ SCR_PlayCinematic(char *arg)
 			Com_Printf("%s not found.\n", name);
 			cl.cinematictime = 0;
 		}
-		else
+		else if (palette)
 		{
 			memcpy(cl.cinematicpalette, palette, sizeof(cl.cinematicpalette));
 			Z_Free(palette);
@@ -678,6 +766,7 @@ SCR_PlayCinematic(char *arg)
 
 	SCR_EndLoadingPlaque();
 
+	cin.color_bits = 8;
 	cls.state = ca_active;
 
 	FS_Read(&width, 4, cl.cinematic_file);

src/client/refresh/gl1/gl1_draw.c

@@ -330,10 +330,9 @@ RDraw_FadeScreen(void)
 }
 
 void
-RDraw_StretchRaw(int x, int y, int w, int h, int cols, int rows, byte *data)
+RDraw_StretchRaw(int x, int y, int w, int h, int cols, int rows, const byte *data, int bits)
 {
 	GLfloat tex[8];
-	byte *source;
 	float hscale = 1.0f;
 	int frac, fracstep;
 	int i, j, trows;
@@ -341,7 +340,7 @@ RDraw_StretchRaw(int x, int y, int w, int h, int cols, int rows, byte *data)
 
 	R_Bind(0);
 
-	if(gl_config.npottextures || rows <= 256)
+	if(gl_config.npottextures || rows <= 256 || bits == 32)
 	{
 		// X, X
 		tex[0] = 0;
@@ -389,7 +388,7 @@ RDraw_StretchRaw(int x, int y, int w, int h, int cols, int rows, byte *data)
 			x, y + h
 	};
 
-	if (!gl_config.palettedtexture)
+	if (!gl_config.palettedtexture || bits == 32)
 	{
 		unsigned image32[320*240]; /* was 256 * 256, but we want a bit more space */
 
@@ -398,7 +397,13 @@ RDraw_StretchRaw(int x, int y, int w, int h, int cols, int rows, byte *data)
 		 * pixels to fit into a 256x256 texture.
 		 * This causes text in videos (which are 320x240) to not look broken anymore.
 		 */
-		if(gl_config.npottextures || rows <= 256)
+		if (bits == 32)
+		{
+			glTexImage2D(GL_TEXTURE_2D, 0, gl_tex_solid_format,
+					cols, rows, 0, GL_RGBA, GL_UNSIGNED_BYTE,
+					data);
+		}
+		else if(gl_config.npottextures || rows <= 256)
 		{
 			unsigned* img = image32;
 
@@ -435,6 +440,8 @@ RDraw_StretchRaw(int x, int y, int w, int h, int cols, int rows, byte *data)
 
 			for (i = 0; i < trows; i++)
 			{
+				const byte *source;
+
 				row = (int)(i * hscale);
 
 				if (row > rows)
@@ -466,6 +473,8 @@ RDraw_StretchRaw(int x, int y, int w, int h, int cols, int rows, byte *data)
 
 		for (i = 0; i < trows; i++)
 		{
+			const byte *source;
+
 			row = (int)(i * hscale);
 
 			if (row > rows)

src/client/refresh/gl1/header/local.h

@@ -407,6 +407,6 @@ extern void RDraw_CharScaled(int x, int y, int num, float scale);
 extern void RDraw_TileClear(int x, int y, int w, int h, char *pic);
 extern void RDraw_Fill(int x, int y, int w, int h, int c);
 extern void RDraw_FadeScreen(void);
-extern void RDraw_StretchRaw(int x, int y, int w, int h, int cols, int rows, byte *data);
+extern void RDraw_StretchRaw(int x, int y, int w, int h, int cols, int rows, const byte *data, int bits);
 
 #endif

src/client/refresh/gl3/gl3_draw.c

@@ -350,7 +350,7 @@ GL3_Draw_FadeScreen(void)
 }
 
 void
-GL3_Draw_StretchRaw(int x, int y, int w, int h, int cols, int rows, byte *data)
+GL3_Draw_StretchRaw(int x, int y, int w, int h, int cols, int rows, const byte *data, int bits)
 {
 	int i, j;
 
@@ -360,6 +360,12 @@ GL3_Draw_StretchRaw(int x, int y, int w, int h, int cols, int rows, byte *data)
 
 	unsigned* img = image32;
 
+	if (bits == 32)
+	{
+		img = (unsigned *)data;
+	}
+	else
+	{
 		if(cols*rows > 320*240)
 		{
 			/* in case there is a bigger video after all,
@@ -376,6 +382,7 @@ GL3_Draw_StretchRaw(int x, int y, int w, int h, int cols, int rows, byte *data)
 				img[rowOffset+j] = gl3_rawpalette[palIdx];
 			}
 		}
+	}
 
 	GL3_UseProgram(gl3state.si2D.shaderProgram);
 
@@ -387,7 +394,7 @@ GL3_Draw_StretchRaw(int x, int y, int w, int h, int cols, int rows, byte *data)
 	glTexImage2D(GL_TEXTURE_2D, 0, gl3_tex_solid_format,
 	             cols, rows, 0, GL_RGBA, GL_UNSIGNED_BYTE, img);
 
-	if(img != image32)
+	if(img != image32 && img != (unsigned *)data)
 	{
 		free(img);
 	}

src/client/refresh/gl3/header/local.h

@@ -425,7 +425,7 @@ extern void GL3_DrawFrameBufferObject(int x, int y, int w, int h, GLuint fboText
 extern void GL3_Draw_Fill(int x, int y, int w, int h, int c);
 extern void GL3_Draw_FadeScreen(void);
 extern void GL3_Draw_Flash(const float color[4], float x, float y, float w, float h);
-extern void GL3_Draw_StretchRaw(int x, int y, int w, int h, int cols, int rows, byte *data);
+extern void GL3_Draw_StretchRaw(int x, int y, int w, int h, int cols, int rows, const byte *data, int bits);
 
 // gl3_image.c
 

src/client/refresh/soft/header/local.h

@@ -581,7 +581,7 @@ struct image_s	*RE_Draw_FindPic (char *name);
 void	RE_Draw_GetPicSize (int *w, int *h, char *name);
 void	RE_Draw_PicScaled (int x, int y, char *name, float scale);
 void	RE_Draw_StretchPic (int x, int y, int w, int h, char *name);
-void	RE_Draw_StretchRaw (int x, int y, int w, int h, int cols, int rows, byte *data);
+void	RE_Draw_StretchRaw (int x, int y, int w, int h, int cols, int rows, const byte *data, int bits);
 void	RE_Draw_CharScaled (int x, int y, int c, float scale);
 void	RE_Draw_TileClear (int x, int y, int w, int h, char *name);
 void	RE_Draw_Fill (int x, int y, int w, int h, int c);
@@ -595,6 +595,7 @@ byte	*Get_BestImageSize(const image_t *image, int *req_width, int *req_height);
 void	R_FreeUnusedImages(void);
 qboolean R_ImageHasFreeSpace(void);
 pixel_t	R_ApplyLight(pixel_t pix, const light3_t light);
+void	R_Convert32To8bit(const unsigned char* pic_in, pixel_t* pic_out, size_t size, qboolean transparent);
 
 void R_InitSkyBox(model_t *loadmodel);
 void R_IMFlatShadedQuad( const vec3_t a, const vec3_t b, const vec3_t c, const vec3_t d, int color, float alpha );

src/client/refresh/soft/sw_draw.c

@@ -321,7 +321,7 @@ RE_Draw_StretchRaw
 =============
 */
 void
-RE_Draw_StretchRaw (int x, int y, int w, int h, int cols, int rows, byte *data)
+RE_Draw_StretchRaw (int x, int y, int w, int h, int cols, int rows, const byte *data, int bits)
 {
 	image_t	pic;
 	byte	*image_scaled;
@@ -329,7 +329,12 @@ RE_Draw_StretchRaw (int x, int y, int w, int h, int cols, int rows, byte *data)
 	// we have only one image size
 	pic.mip_levels = 1;
 
-	if (r_retexturing->value)
+	if (bits == 32)
+	{
+		image_scaled = malloc(cols * rows);
+		R_Convert32To8bit(data, image_scaled, cols * rows, false);
+	}
+	else if (r_retexturing->value)
 	{
 		if (cols < (w / 3) || rows < (h / 3))
 		{
@@ -352,7 +357,7 @@ RE_Draw_StretchRaw (int x, int y, int w, int h, int cols, int rows, byte *data)
 	}
 	else
 	{
-		image_scaled = data;
+		image_scaled = (byte *)data;
 	}
 
 	pic.pixels[0] = image_scaled;

src/client/refresh/soft/sw_image.c

@@ -206,7 +206,7 @@ Get_BestImageSize(const image_t *image, int *req_width, int *req_height)
 
 static byte *d_16to8table = NULL; // 16 to 8 bit conversion table
 
-static void
+void
 R_Convert32To8bit(const unsigned char* pic_in, pixel_t* pic_out, size_t size,
 	qboolean transparent)
 {

src/client/vid/header/ref.h

@@ -197,8 +197,11 @@ typedef struct
 	void	(EXPORT *DrawFill) (int x, int y, int w, int h, int c);
 	void	(EXPORT *DrawFadeScreen) (void);
 
-	// Draw images for cinematic rendering (which can have a different palette). Note that calls
+	/*
-	void	(EXPORT *DrawStretchRaw) (int x, int y, int w, int h, int cols, int rows, byte *data);
+	 * Draw images for cinematic rendering (which can have a different palette if bits equals to 8).
+	 * Note that calls
+	 */
+	void	(EXPORT *DrawStretchRaw) (int x, int y, int w, int h, int cols, int rows, const byte *data, int bits);
 
 	/*
 	** video mode and refresh state management entry points
@@ -278,7 +281,7 @@ void Draw_CharScaled(int x, int y, int num, float scale);
 void Draw_TileClear(int x, int y, int w, int h, char *name);
 void Draw_Fill(int x, int y, int w, int h, int c);
 void Draw_FadeScreen(void);
-void Draw_StretchRaw(int x, int y, int w, int h, int cols, int rows, byte *data);
+void Draw_StretchRaw(int x, int y, int w, int h, int cols, int rows, const byte *data, int bits);
 //int R_Init(void *hinstance, void *hWnd);
 //void R_Shutdown(void);
 void R_SetPalette(const unsigned char *palette);

src/client/vid/vid.c

@@ -735,11 +735,11 @@ Draw_FadeScreen(void)
 }
 
 void
-Draw_StretchRaw(int x, int y, int w, int h, int cols, int rows, byte *data)
+Draw_StretchRaw(int x, int y, int w, int h, int cols, int rows, const byte *data, int bits)
 {
 	if (ref_active)
 	{
-		re.DrawStretchRaw(x, y, w, h, cols, rows, data);
+		re.DrawStretchRaw(x, y, w, h, cols, rows, data, bits);
 	}
 }