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Added function LoadShaderCode()

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Allows loading of shader from text code string directly
This commit is contained in:
Ray
2018-02-05 01:03:13 +01:00
parent 5437458469
commit 4d5d1e0434
2 changed files with 29 additions and 27 deletions
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3
src/raylib.h
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@@ -1044,7 +1044,8 @@ RLAPI RayHitInfo GetCollisionRayGround(Ray ray, float groundHeight);
// Shader loading/unloading functions // Shader loading/unloading functions
RLAPI char *LoadText(const char *fileName); // Load chars array from text file RLAPI char *LoadText(const char *fileName); // Load chars array from text file
RLAPI Shader LoadShader(char *vsFileName, char *fsFileName); // Load shader from files and bind default locations RLAPI Shader LoadShader(const char *vsFileName, const char *fsFileName); // Load shader from files and bind default locations
RLAPI Shader LoadShaderCode(char *vsCode, char *fsCode); // Load shader from code strings and bind default locations
RLAPI void UnloadShader(Shader shader); // Unload shader from GPU memory (VRAM) RLAPI void UnloadShader(Shader shader); // Unload shader from GPU memory (VRAM)
RLAPI Shader GetShaderDefault(void); // Get default shader RLAPI Shader GetShaderDefault(void); // Get default shader

45
src/rlgl.c
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@@ -2324,7 +2324,27 @@ char *LoadText(const char *fileName)
// Load shader from files and bind default locations // Load shader from files and bind default locations
// NOTE: If shader string is NULL, using default vertex/fragment shaders // NOTE: If shader string is NULL, using default vertex/fragment shaders
Shader LoadShader(char *vsFileName, char *fsFileName) Shader LoadShader(const char *vsFileName, const char *fsFileName)
{
Shader shader = { 0 };
char *vShaderStr = NULL;
char *fShaderStr = NULL;
if (vsFileName != NULL) vShaderStr = LoadText(vsFileName);
if (fsFileName != NULL) fShaderStr = LoadText(fsFileName);
shader = LoadShaderCode(vShaderStr, fShaderStr);
if (vShaderStr != NULL) free(vShaderStr);
if (fShaderStr != NULL) free(fShaderStr);
return shader;
}
// Load shader from code strings
// NOTE: If shader string is NULL, using default vertex/fragment shaders
Shader LoadShaderCode(char *vsCode, char *fsCode)
{ {
Shader shader = { 0 }; Shader shader = { 0 };
@@ -2335,27 +2355,8 @@ Shader LoadShader(char *vsFileName, char *fsFileName)
unsigned int vertexShaderId = defaultVShaderId; unsigned int vertexShaderId = defaultVShaderId;
unsigned int fragmentShaderId = defaultFShaderId; unsigned int fragmentShaderId = defaultFShaderId;
if (vsFileName != NULL) if (vsCode != NULL) vertexShaderId = CompileShader(vsCode, GL_VERTEX_SHADER);
{ if (fsCode != NULL) fragmentShaderId = CompileShader(fsCode, GL_FRAGMENT_SHADER);
char *vShaderStr = LoadText(vsFileName);
if (vShaderStr != NULL)
{
vertexShaderId = CompileShader(vShaderStr, GL_VERTEX_SHADER);
free(vShaderStr);
}
}
if (fsFileName != NULL)
{
char* fShaderStr = LoadText(fsFileName);
if (fShaderStr != NULL)
{
fragmentShaderId = CompileShader(fShaderStr, GL_FRAGMENT_SHADER);
free(fShaderStr);
}
}
if ((vertexShaderId == defaultVShaderId) && (fragmentShaderId == defaultFShaderId)) shader = defaultShader; if ((vertexShaderId == defaultVShaderId) && (fragmentShaderId == defaultFShaderId)) shader = defaultShader;
else else