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Merge branch 'gl-texfmt-p8-ap88-a8-ai8-fix' into 'next'

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Fix #492

Closes #492

See merge request STJr/SRB2!1431
This commit is contained in:
sphere 2021-08-02 13:10:32 +00:00
commit 1d92456ad5
1 changed files with 51 additions and 42 deletions
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93
src/hardware/r_opengl/r_opengl.c
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@ -62,6 +62,9 @@ static FBITFIELD CurrentPolyFlags;
static FTextureInfo *TexCacheTail = NULL;
static FTextureInfo *TexCacheHead = NULL;
static RGBA_t *textureBuffer = NULL;
static size_t textureBufferSize = 0;
RGBA_t myPaletteData[256];
GLint screen_width = 0; // used by Draw2DLine()
GLint screen_height = 0;
@ -131,7 +134,6 @@ static const GLfloat byte2float[256] = {
// -----------------+
// GL_DBG_Printf : Output debug messages to debug log if DEBUG_TO_FILE is defined,
// : else do nothing
// Returns :
// -----------------+
#ifdef DEBUG_TO_FILE
@ -159,8 +161,6 @@ FUNCPRINTF void GL_DBG_Printf(const char *format, ...)
// -----------------+
// GL_MSG_Warning : Raises a warning.
// :
// Returns :
// -----------------+
static void GL_MSG_Warning(const char *format, ...)
@ -184,8 +184,6 @@ static void GL_MSG_Warning(const char *format, ...)
// -----------------+
// GL_MSG_Error : Raises an error.
// :
// Returns :
// -----------------+
static void GL_MSG_Error(const char *format, ...)
@ -1345,6 +1343,10 @@ void Flush(void)
TexCacheTail = TexCacheHead = NULL; //Hurdler: well, TexCacheHead is already NULL
tex_downloaded = 0;
free(textureBuffer);
textureBuffer = NULL;
textureBufferSize = 0;
}
@ -1378,7 +1380,6 @@ INT32 isExtAvailable(const char *extension, const GLubyte *start)
// -----------------+
// Init : Initialise the OpenGL interface API
// Returns :
// -----------------+
EXPORT boolean HWRAPI(Init) (void)
{
@ -1738,37 +1739,48 @@ EXPORT void HWRAPI(SetBlend) (FBITFIELD PolyFlags)
CurrentPolyFlags = PolyFlags;
}
static void AllocTextureBuffer(GLMipmap_t *pTexInfo)
{
size_t size = pTexInfo->width * pTexInfo->height;
if (size > textureBufferSize)
{
textureBuffer = realloc(textureBuffer, size * sizeof(RGBA_t));
if (textureBuffer == NULL)
I_Error("AllocTextureBuffer: out of memory allocating %s bytes", sizeu1(size * sizeof(RGBA_t)));
textureBufferSize = size;
}
}
// -----------------+
// UpdateTexture : Updates the texture data.
// UpdateTexture : Updates texture data.
// -----------------+
EXPORT void HWRAPI(UpdateTexture) (GLMipmap_t *pTexInfo)
{
// Download a mipmap
boolean updatemipmap = true;
static RGBA_t tex[2048*2048];
const GLvoid *ptex = tex;
INT32 w, h;
GLuint texnum = 0;
// Upload a texture
GLuint num = pTexInfo->downloaded;
boolean update = true;
if (!pTexInfo->downloaded)
INT32 w = pTexInfo->width, h = pTexInfo->height;
INT32 i, j;
const GLubyte *pImgData = (const GLubyte *)pTexInfo->data;
const GLvoid *ptex = NULL;
RGBA_t *tex = NULL;
// Generate a new texture name.
if (!num)
{
pglGenTextures(1, &texnum);
pTexInfo->downloaded = texnum;
updatemipmap = false;
pglGenTextures(1, &num);
pTexInfo->downloaded = num;
update = false;
}
else
texnum = pTexInfo->downloaded;
//GL_DBG_Printf ("DownloadMipmap %d %x\n",(INT32)texnum,pTexInfo->data);
//GL_DBG_Printf("UpdateTexture %d %x\n", (INT32)num, pImgData);
w = pTexInfo->width;
h = pTexInfo->height;
if ((pTexInfo->format == GL_TEXFMT_P_8) ||
(pTexInfo->format == GL_TEXFMT_AP_88))
if ((pTexInfo->format == GL_TEXFMT_P_8) || (pTexInfo->format == GL_TEXFMT_AP_88))
{
const GLubyte *pImgData = (const GLubyte *)pTexInfo->data;
INT32 i, j;
AllocTextureBuffer(pTexInfo);
ptex = tex = textureBuffer;
for (j = 0; j < h; j++)
{
@ -1799,20 +1811,18 @@ EXPORT void HWRAPI(UpdateTexture) (GLMipmap_t *pTexInfo)
tex[w*j+i].s.alpha = *pImgData;
pImgData++;
}
}
}
}
else if (pTexInfo->format == GL_TEXFMT_RGBA)
{
// corona test : passed as ARGB 8888, which is not in glide formats
// Hurdler: not used for coronas anymore, just for dynamic lighting
ptex = pTexInfo->data;
// Directly upload the texture data without any kind of conversion.
ptex = pImgData;
}
else if (pTexInfo->format == GL_TEXFMT_ALPHA_INTENSITY_88)
{
const GLubyte *pImgData = (const GLubyte *)pTexInfo->data;
INT32 i, j;
AllocTextureBuffer(pTexInfo);
ptex = tex = textureBuffer;
for (j = 0; j < h; j++)
{
@ -1829,8 +1839,8 @@ EXPORT void HWRAPI(UpdateTexture) (GLMipmap_t *pTexInfo)
}
else if (pTexInfo->format == GL_TEXFMT_ALPHA_8) // Used for fade masks
{
const GLubyte *pImgData = (const GLubyte *)pTexInfo->data;
INT32 i, j;
AllocTextureBuffer(pTexInfo);
ptex = tex = textureBuffer;
for (j = 0; j < h; j++)
{
@ -1845,11 +1855,10 @@ EXPORT void HWRAPI(UpdateTexture) (GLMipmap_t *pTexInfo)
}
}
else
GL_MSG_Warning ("SetTexture(bad format) %ld\n", pTexInfo->format);
GL_MSG_Warning("UpdateTexture: bad format %d\n", pTexInfo->format);
// the texture number was already generated by pglGenTextures
pglBindTexture(GL_TEXTURE_2D, texnum);
tex_downloaded = texnum;
pglBindTexture(GL_TEXTURE_2D, num);
tex_downloaded = num;
// disable texture filtering on any texture that has holes so there's no dumb borders or blending issues
if (pTexInfo->flags & TF_TRANSPARENT)
@ -1878,7 +1887,7 @@ EXPORT void HWRAPI(UpdateTexture) (GLMipmap_t *pTexInfo)
}
else
{
if (updatemipmap)
if (update)
pglTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, ptex);
else
pglTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE_ALPHA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, ptex);
@ -1899,7 +1908,7 @@ EXPORT void HWRAPI(UpdateTexture) (GLMipmap_t *pTexInfo)
}
else
{
if (updatemipmap)
if (update)
pglTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, ptex);
else
pglTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, ptex);
@ -1919,7 +1928,7 @@ EXPORT void HWRAPI(UpdateTexture) (GLMipmap_t *pTexInfo)
}
else
{
if (updatemipmap)
if (update)
pglTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, ptex);
else
pglTexImage2D(GL_TEXTURE_2D, 0, textureformatGL, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, ptex);