diff options
Diffstat (limited to 'src/mesa/main/shaderapi.c')
| -rw-r--r-- | src/mesa/main/shaderapi.c | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/src/mesa/main/shaderapi.c b/src/mesa/main/shaderapi.c index 118e8a74209..52eab46551b 100644 --- a/src/mesa/main/shaderapi.c +++ b/src/mesa/main/shaderapi.c @@ -448,8 +448,16 @@ static void get_attached_shaders(struct gl_context *ctx, GLuint program, GLsizei maxCount, GLsizei *count, GLuint *obj) { - struct gl_shader_program *shProg = + struct gl_shader_program *shProg; + + if (maxCount < 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glGetAttachedShaders(maxCount < 0)"); + return; + } + + shProg = _mesa_lookup_shader_program_err(ctx, program, "glGetAttachedShaders"); + if (shProg) { GLuint i; for (i = 0; i < (GLuint) maxCount && i < shProg->NumShaders; i++) { @@ -786,6 +794,12 @@ get_shader_source(struct gl_context *ctx, GLuint shader, GLsizei maxLength, GLsizei *length, GLchar *sourceOut) { struct gl_shader *sh; + + if (maxLength < 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glGetShaderSource(bufSize < 0)"); + return; + } + sh = _mesa_lookup_shader_err(ctx, shader, "glGetShaderSource"); if (!sh) { return; @@ -1683,6 +1697,11 @@ _mesa_GetProgramBinary(GLuint program, GLsizei bufSize, GLsizei *length, GLsizei length_dummy; GET_CURRENT_CONTEXT(ctx); + if (bufSize < 0){ + _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramBinary(bufSize < 0)"); + return; + } + shProg = _mesa_lookup_shader_program_err(ctx, program, "glGetProgramBinary"); if (!shProg) return; @@ -1712,11 +1731,6 @@ _mesa_GetProgramBinary(GLuint program, GLsizei bufSize, GLsizei *length, return; } - if (bufSize < 0){ - _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramBinary(bufSize < 0)"); - return; - } - *length = 0; _mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramBinary(driver supports zero binary formats)"); |