1
0
mirror of https://github.com/vcmi/vcmi.git synced 2024-11-28 08:48:48 +02:00

Error handling in GL2D::makeShaderProgram,

Gfx::PlettedBitmap class correction
This commit is contained in:
paracelsus 2013-03-04 19:43:38 +00:00
parent 672cf5bcb5
commit d96e7cae4a
6 changed files with 75 additions and 62 deletions

View File

@ -232,13 +232,14 @@ void CBitmap32::putWithPlrColor(Point p, ColorRGBA c, float scale)
CPalettedBitmap::CPalettedBitmap(ui32 w, ui32 h, CPaletteRGBA& pal, const ui8 pixBuff[]) :
CImage(w, h),
palette(pal)
palette(pal),
realWidth((w + 3) & ~3),
realHeight(h)
{
const ui32 rowStride = (w + 3) & ~3;
const ui32 size = rowStride * h;
const ui32 size = realWidth * h;
buffer = new ui8[size];
if (rowStride == w)
if (realWidth == w)
{
memcpy(buffer, pixBuff, size);
return;
@ -246,19 +247,19 @@ CPalettedBitmap::CPalettedBitmap(ui32 w, ui32 h, CPaletteRGBA& pal, const ui8 pi
for (ui32 y=0; y<h; ++y)
{
memset(&buffer[rowStride*(y+1)-4], 0, 4);
memcpy(&buffer[rowStride*y], &pixBuff[w*y], w);
memcpy(&buffer[realWidth*y], &pixBuff[w*y], w);
}
width = rowStride;
realWidth = w;
}
CPalettedBitmap::CPalettedBitmap(ui32 w, ui32 h, CPaletteRGBA& pal, const ui8 pixBuff[], ui32 format) :
CImage(w, h),
palette(pal)
palette(pal),
realWidth((w + 3) & ~3),
realHeight(h)
{
const ui32 rowStride = (w + 3) & ~3;
buffer = new ui8[rowStride * h];
buffer = new ui8[realWidth * h];
switch (format)
{
@ -269,7 +270,7 @@ CPalettedBitmap::CPalettedBitmap(ui32 w, ui32 h, CPaletteRGBA& pal, const ui8 pi
for (ui32 y=0; y<h; ++y)
{
const ui8* srcRowPtr = pixBuff + SDL_SwapLE32(rowsOffsets[y]);
ui8* dstRowPtr = buffer + (y * rowStride);
ui8* dstRowPtr = buffer + (y * realWidth);
ui32 rowLength = 0;
do {
@ -290,6 +291,8 @@ CPalettedBitmap::CPalettedBitmap(ui32 w, ui32 h, CPaletteRGBA& pal, const ui8 pi
}
while (rowLength < w);
}
realWidth = w;
return;
}
default:
@ -307,7 +310,7 @@ CPalettedBitmap::~CPalettedBitmap()
void CPalettedBitmap::textureTransfer()
{
glTexImage2D(GL_TEXTURE_RECTANGLE, 0, GL_R8UI, width, height, 0, GL_RED_INTEGER, GL_UNSIGNED_BYTE, buffer);
glTexImage2D(GL_TEXTURE_RECTANGLE, 0, GL_R8UI, realWidth, realHeight, 0, GL_RED_INTEGER, GL_UNSIGNED_BYTE, buffer);
palette.loadToVideoRAM();
}
@ -318,7 +321,7 @@ void CPalettedBitmap::putAt(Point p)
GL2D::assignTexture(GL_TEXTURE1, GL_TEXTURE_1D, palette.getTexHandle());
GL2D::assignTexture(GL_TEXTURE0, GL_TEXTURE_RECTANGLE, texHandle);
GL2D::usePaletteBitmapShader(p.x, p.y);
glRecti(p.x, p.y, p.x + width, p.y + height);
glRecti(p.x, p.y, p.x + realWidth, p.y + realHeight);
}
@ -334,7 +337,7 @@ void CPalettedBitmap::putAt(Point p, TransformFlags flags, float scale)
GL2D::assignTexture(GL_TEXTURE1, GL_TEXTURE_1D, palette.getTexHandle());
GL2D::assignTexture(GL_TEXTURE0, GL_TEXTURE_RECTANGLE, texHandle);
GL2D::usePaletteBitmapShader(p.x, p.y);
glRecti(p.x, p.y, p.x + (ui32)(width*scale), p.y + (ui32)(height*scale));
glRecti(p.x, p.y, p.x + (ui32)(realWidth*scale), p.y + (ui32)(realHeight*scale));
}
@ -371,26 +374,17 @@ void CPalettedBitmap::putWithPlrColor(Point p, ColorRGBA c, float scale)
CPalBitmapWithMargin::CPalBitmapWithMargin(ui32 fw, ui32 fh, ui32 lm, ui32 tm, ui32 iw, ui32 ih,
CPaletteRGBA& pal, const ui8 pixBuff[]) :
CPalettedBitmap(iw, ih, pal, pixBuff),
leftMargin(lm), topMargin(tm),
intWidth(iw), intHeight(ih)
leftMargin(lm), topMargin(tm)
{
width = fw;
height = fh;
}
void CPalBitmapWithMargin::textureTransfer()
{
glTexImage2D(GL_TEXTURE_RECTANGLE, 0, GL_R8UI, intWidth, intHeight, 0, GL_RED_INTEGER, GL_UNSIGNED_BYTE, buffer);
palette.loadToVideoRAM();
}
CPalBitmapWithMargin::CPalBitmapWithMargin(ui32 fw, ui32 fh, ui32 lm, ui32 tm, ui32 iw, ui32 ih,
CPaletteRGBA& pal, const ui8 pixBuff[], ui32 format) :
CPalettedBitmap(iw, ih, pal, pixBuff, format),
leftMargin(lm), topMargin(tm),
intWidth(iw), intHeight(ih)
leftMargin(lm), topMargin(tm)
{
width = fw;
height = fh;
@ -402,8 +396,8 @@ void CPalBitmapWithMargin::putAt(Point p)
loadToVideoRAM();
GL2D::assignTexture(GL_TEXTURE1, GL_TEXTURE_1D, palette.getTexHandle());
GL2D::assignTexture(GL_TEXTURE0, GL_TEXTURE_RECTANGLE, texHandle);
GL2D::usePaletteBitmapShader(p.x, p.y);
glRecti(p.x, p.y, p.x + intWidth, p.y + intHeight);
GL2D::usePaletteBitmapShader(p.x + leftMargin, p.y + topMargin);
glRecti(p.x + leftMargin, p.y + topMargin, p.x + realWidth, p.y + realHeight);
}
@ -430,8 +424,8 @@ void CPalBitmapWithMargin::putAt(Point p, TransformFlags flags, const ColorMatri
loadToVideoRAM();
GL2D::assignTexture(GL_TEXTURE1, GL_TEXTURE_1D, palette.getTexHandle());
GL2D::assignTexture(GL_TEXTURE0, GL_TEXTURE_RECTANGLE, texHandle);
GL2D::usePaletteBitmapShader(p.x, p.y, cm);
glRecti(p.x, p.y, p.x + width, p.y + height);
GL2D::usePaletteBitmapShader(p.x + leftMargin, p.y + topMargin);
glRecti(p.x + leftMargin, p.y + topMargin, p.x + realWidth, p.y + realHeight);
}

View File

@ -96,8 +96,8 @@ class CBitmap32 : public CImage
};
protected:
CBitmap32(ui32 w, ui32 h, const ColorRGB pixBuff[], bool bgra = true); // 24bit RGB source
CBitmap32(ui32 w, ui32 h, const ColorRGBA pixBuff[], bool bgra = true); // 32bit RGBA source
CBitmap32(ui32 w, ui32 h, const ColorRGB pixBuff[], bool bgra); // 24bit RGB source
CBitmap32(ui32 w, ui32 h, const ColorRGBA pixBuff[], bool bgra); // 32bit RGBA source
virtual void textureTransfer();
public:
@ -120,6 +120,8 @@ class CPalettedBitmap : public CImage
protected:
CPaletteRGBA& palette;
ui8* buffer;
ui32 realWidth;
ui32 realHeight;
CPalettedBitmap(ui32 w, ui32 h, CPaletteRGBA& pal, const ui8 pixBuff[]);
CPalettedBitmap(ui32 w, ui32 h, CPaletteRGBA& pal, const ui8 pixBuff[], ui32 format);
@ -143,16 +145,12 @@ class CPalBitmapWithMargin : public CPalettedBitmap
friend class CImage;
ui32 leftMargin;
ui32 topMargin;
ui32 intWidth;
ui32 intHeight;
protected:
CPalBitmapWithMargin(ui32 fw, ui32 fh, ui32 lm, ui32 tm, ui32 iw, ui32 ih,
CPaletteRGBA& pal, const ui8 pixBuff[]);
CPalBitmapWithMargin(ui32 fw, ui32 fh, ui32 lm, ui32 tm, ui32 iw, ui32 ih,
CPaletteRGBA& pal, const ui8 pixBuff[], ui32 format);
virtual void textureTransfer();
public:
virtual void putAt(Point p);
virtual void putAt(Point p, TransformFlags flags);

View File

@ -67,7 +67,7 @@ CImage * CImage::makeFromPCX(const SH3PcxFile& pcx, size_t fileSize)
{
if (H3PCX_HEADER_SIZE + imgSize > fileSize) return nullptr;
return new CBitmap32(width, height, (ColorRGB*)pcx.data);
return new CBitmap32(width, height, (ColorRGB*)pcx.data, true);
}
return nullptr;

View File

@ -50,7 +50,7 @@ PImage CManager::getImage(const std::string& fname)
if (img_tmp == nullptr)
{
tlog1 << "Image " << fname << " not loaded!\n";
tlog1 << "Gfx: Image " << fname << " not loaded!\n";
return nullptr;
}
}
@ -80,7 +80,7 @@ PAnimation CManager::getAnimation(const std::string& fname)
CAnimation* anim_tmp = CAnimation::makeFromDEF(*(SH3DefFile*)data.get(), (size_t)readSize);
if (anim_tmp == nullptr)
{
tlog1 << "Animation " << fname << " not loaded!\n";
tlog1 << "Gfx: Animation " << fname << " not loaded!\n";
return nullptr;
}

View File

@ -18,10 +18,13 @@ PFNGLACTIVETEXTUREPROC glActiveTexture;
// OpenGL 2.0 functions pointers
PFNGLCREATEPROGRAMPROC glCreateProgram;
PFNGLCREATESHADERPROC glCreateShader;
PFNGLDELETESHADERPROC glDeleteShader;
PFNGLSHADERSOURCEPROC glShaderSource;
PFNGLCOMPILESHADERPROC glCompileShader;
PFNGLGETSHADERIVPROC glGetShaderiv;
PFNGLATTACHSHADERPROC glAttachShader;
PFNGLLINKPROGRAMPROC glLinkProgram;
PFNGLGETPROGRAMIVPROC glGetProgramiv;
PFNGLUSEPROGRAMPROC glUseProgram;
PFNGLGETUNIFORMLOCATIONPROC glGetUniformLocation;
PFNGLUNIFORM1IPROC glUniform1i;
@ -54,7 +57,7 @@ static GLint coord_uniform = -1;
// Print out the information log for a shader object
void printInfoLog(PFNGLGETPROGRAMINFOLOGPROC logFunc, GLuint object)
void printInfoLog(PFNGLGETPROGRAMINFOLOGPROC logFunc, GLuint object, GLint status)
{
if (logFunc != nullptr)
{
@ -62,7 +65,7 @@ void printInfoLog(PFNGLGETPROGRAMINFOLOGPROC logFunc, GLuint object)
GLchar infoLog[1024];
logFunc(object, sizeof(infoLog)-1, &infoLogLength, infoLog);
if (infoLogLength > 0) tlog1 << infoLog;
if (infoLogLength > 0) (status ? tlog0 : tlog1) << infoLog;
}
}
@ -71,21 +74,31 @@ GLuint makeShaderProgram(const char * frg_src)
{
// Creating a fragment shader object
GLuint shader_object = glCreateShader(GL_FRAGMENT_SHADER);
if (shader_object == 0) return 0;
glShaderSource(shader_object, 1, &frg_src, nullptr); // assigning the shader source
// Compiling the shader
glCompileShader(shader_object);
printInfoLog(glGetShaderInfoLog, shader_object);
glCompileShader(shader_object); // Compiling the shader
// Creating a program object
GLuint program_object = glCreateProgram();
// Attaching the shader into program
glAttachShader(program_object, shader_object);
GLint ret;
glGetShaderiv(shader_object, GL_COMPILE_STATUS, &ret);
printInfoLog(glGetShaderInfoLog, shader_object, ret);
// Link the shaders into a complete GLSL program.
glLinkProgram(program_object);
printInfoLog(glGetProgramInfoLog, program_object);
if (ret == GL_TRUE)
{
GLuint program_object = glCreateProgram(); // Creating a program object
glAttachShader(program_object, shader_object); // Attaching the shader into program
return program_object;
// Link the shaders into a complete GLSL program.
glLinkProgram(program_object);
glGetProgramiv(shader_object, GL_LINK_STATUS, &ret);
printInfoLog(glGetProgramInfoLog, program_object, ret);
if (ret == GL_TRUE) return program_object;
}
glDeleteShader(shader_object);
return 0;
}
@ -104,17 +117,20 @@ void initVideo(ui32 w, ui32 h, bool fullscreen)
SDL_GL_SwapBuffers();
// Dynamic-linked OpenGL 1.3 and 2.0 functions - required to 2D rendeing
if ( (glActiveTexture = (PFNGLACTIVETEXTUREPROC) SDL_GL_GetProcAddress("glActiveTexture")) == nullptr
|| (glCreateProgram = (PFNGLCREATEPROGRAMPROC) SDL_GL_GetProcAddress("glCreateProgram")) == nullptr
|| (glCreateShader = (PFNGLCREATESHADERPROC) SDL_GL_GetProcAddress("glCreateShader")) == nullptr
|| (glShaderSource = (PFNGLSHADERSOURCEPROC) SDL_GL_GetProcAddress("glShaderSource")) == nullptr
|| (glCompileShader = (PFNGLCOMPILESHADERPROC) SDL_GL_GetProcAddress("glCompileShader")) == nullptr
|| (glAttachShader = (PFNGLATTACHSHADERPROC) SDL_GL_GetProcAddress("glAttachShader")) == nullptr
|| (glLinkProgram = (PFNGLLINKPROGRAMPROC) SDL_GL_GetProcAddress("glLinkProgram")) == nullptr
|| (glUseProgram = (PFNGLUSEPROGRAMPROC) SDL_GL_GetProcAddress("glUseProgram")) == nullptr
if ( (glActiveTexture = (PFNGLACTIVETEXTUREPROC) SDL_GL_GetProcAddress("glActiveTexture")) == nullptr
|| (glCreateProgram = (PFNGLCREATEPROGRAMPROC) SDL_GL_GetProcAddress("glCreateProgram")) == nullptr
|| (glCreateShader = (PFNGLCREATESHADERPROC) SDL_GL_GetProcAddress("glCreateShader")) == nullptr
|| (glDeleteShader = (PFNGLDELETESHADERPROC) SDL_GL_GetProcAddress("glDeleteShader")) == nullptr
|| (glShaderSource = (PFNGLSHADERSOURCEPROC) SDL_GL_GetProcAddress("glShaderSource")) == nullptr
|| (glCompileShader = (PFNGLCOMPILESHADERPROC) SDL_GL_GetProcAddress("glCompileShader")) == nullptr
|| (glGetShaderiv = (PFNGLGETSHADERIVPROC) SDL_GL_GetProcAddress("glGetShaderiv")) == nullptr
|| (glAttachShader = (PFNGLATTACHSHADERPROC) SDL_GL_GetProcAddress("glAttachShader")) == nullptr
|| (glLinkProgram = (PFNGLLINKPROGRAMPROC) SDL_GL_GetProcAddress("glLinkProgram")) == nullptr
|| (glGetProgramiv = (PFNGLGETPROGRAMIVPROC) SDL_GL_GetProcAddress("glGetProgramiv")) == nullptr
|| (glUseProgram = (PFNGLUSEPROGRAMPROC) SDL_GL_GetProcAddress("glUseProgram")) == nullptr
|| (glGetUniformLocation = (PFNGLGETUNIFORMLOCATIONPROC) SDL_GL_GetProcAddress("glGetUniformLocation")) == nullptr
|| (glUniform1i = (PFNGLUNIFORM1IPROC) SDL_GL_GetProcAddress("glUniform1i")) == nullptr
|| (glUniform2i = (PFNGLUNIFORM2IPROC) SDL_GL_GetProcAddress("glUniform2i")) == nullptr
|| (glUniform1i = (PFNGLUNIFORM1IPROC) SDL_GL_GetProcAddress("glUniform1i")) == nullptr
|| (glUniform2i = (PFNGLUNIFORM2IPROC) SDL_GL_GetProcAddress("glUniform2i")) == nullptr
)
{
tlog1 << "Error: OpenGL2 Extenstions are not available\n";
@ -133,6 +149,11 @@ void initVideo(ui32 w, ui32 h, bool fullscreen)
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
paletteBitmapProgram = makeShaderProgram(frag_palette_bitmap);
if (paletteBitmapProgram == 0)
{
throw std::runtime_error("OpenGL shader for palleted bitmaps is not compiled\n");
}
GLint bitmap_uniform = glGetUniformLocation(paletteBitmapProgram, "bitmap");
GLint palette_uniform = glGetUniformLocation(paletteBitmapProgram, "palette");
coord_uniform = glGetUniformLocation(paletteBitmapProgram, "coordOffs");

View File

@ -2159,7 +2159,7 @@
"everflowingCrystalCloak",
"ringOfInfiniteGems",
"everpouringVialOfMercury",
"inexhaustibleCartOfOre"
"eversmokingRingOfSulfur"
]
},
"magicWand":