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mesa: add stencil_op_separate() helper

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Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
This commit is contained in:
Samuel Pitoiset 2017-06-20 18:23:07 +02:00
parent d222e14ffa
commit 0614b7a6f7
1 changed files with 37 additions and 24 deletions
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61
src/mesa/main/stencil.c
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@ -391,32 +391,11 @@ _mesa_ActiveStencilFaceEXT(GLenum face)
}
void GLAPIENTRY
_mesa_StencilOpSeparate(GLenum face, GLenum sfail, GLenum zfail, GLenum zpass)
static void
stencil_op_separate(struct gl_context *ctx, GLenum face, GLenum sfail,
GLenum zfail, GLenum zpass)
{
GLboolean set = GL_FALSE;
GET_CURRENT_CONTEXT(ctx);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glStencilOpSeparate()\n");
if (!validate_stencil_op(ctx, sfail)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glStencilOpSeparate(sfail)");
return;
}
if (!validate_stencil_op(ctx, zfail)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glStencilOpSeparate(zfail)");
return;
}
if (!validate_stencil_op(ctx, zpass)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glStencilOpSeparate(zpass)");
return;
}
if (face != GL_FRONT && face != GL_BACK && face != GL_FRONT_AND_BACK) {
_mesa_error(ctx, GL_INVALID_ENUM, "glStencilOpSeparate(face)");
return;
}
if (face != GL_BACK) {
/* set front */
@ -430,6 +409,7 @@ _mesa_StencilOpSeparate(GLenum face, GLenum sfail, GLenum zfail, GLenum zpass)
set = GL_TRUE;
}
}
if (face != GL_FRONT) {
/* set back */
if (ctx->Stencil.ZFailFunc[1] != zfail ||
@ -442,12 +422,45 @@ _mesa_StencilOpSeparate(GLenum face, GLenum sfail, GLenum zfail, GLenum zpass)
set = GL_TRUE;
}
}
if (set && ctx->Driver.StencilOpSeparate) {
ctx->Driver.StencilOpSeparate(ctx, face, sfail, zfail, zpass);
}
}
void GLAPIENTRY
_mesa_StencilOpSeparate(GLenum face, GLenum sfail, GLenum zfail, GLenum zpass)
{
GET_CURRENT_CONTEXT(ctx);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glStencilOpSeparate()\n");
if (!validate_stencil_op(ctx, sfail)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glStencilOpSeparate(sfail)");
return;
}
if (!validate_stencil_op(ctx, zfail)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glStencilOpSeparate(zfail)");
return;
}
if (!validate_stencil_op(ctx, zpass)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glStencilOpSeparate(zpass)");
return;
}
if (face != GL_FRONT && face != GL_BACK && face != GL_FRONT_AND_BACK) {
_mesa_error(ctx, GL_INVALID_ENUM, "glStencilOpSeparate(face)");
return;
}
stencil_op_separate(ctx, face, sfail, zfail, zpass);
}
static void
stencil_func_separate(struct gl_context *ctx, GLenum face, GLenum func,
GLint ref, GLuint mask)