GLfloat x, GLfloat y,
GLfloat width, GLfloat height)
{
- double scale[3], translate[3];
-
/* clamp width and height to the implementation dependent range */
width = MIN2(width, (GLfloat) ctx->Const.MaxViewportWidth);
height = MIN2(height, (GLfloat) ctx->Const.MaxViewportHeight);
ctx->ViewportArray[idx].Y = y;
ctx->ViewportArray[idx].Height = height;
ctx->NewState |= _NEW_VIEWPORT;
-
-#if 1
- /* XXX remove this someday. Currently the DRI drivers rely on
- * the WindowMap matrix being up to date in the driver's Viewport
- * and DepthRange functions.
- */
- _mesa_get_viewport_xform(ctx, idx, scale, translate);
- _math_matrix_viewport(&ctx->ViewportArray[idx]._WindowMap,
- scale, translate, ctx->DrawBuffer->_DepthMaxF);
-#endif
}
struct gl_viewport_inputs {
/**
- * Set new viewport parameters and update derived state (the _WindowMap
- * matrix). Usually called from _mesa_Viewport().
+ * Set new viewport parameters and update derived state.
+ * Usually called from _mesa_Viewport().
*
* \param ctx GL context.
* \param idx Index of the viewport to be updated.
set_depth_range_no_notify(struct gl_context *ctx, unsigned idx,
GLclampd nearval, GLclampd farval)
{
- double scale[3], translate[3];
-
if (ctx->ViewportArray[idx].Near == nearval &&
ctx->ViewportArray[idx].Far == farval)
return;
ctx->ViewportArray[idx].Near = CLAMP(nearval, 0.0, 1.0);
ctx->ViewportArray[idx].Far = CLAMP(farval, 0.0, 1.0);
ctx->NewState |= _NEW_VIEWPORT;
-
-#if 1
- /* XXX remove this someday. Currently the DRI drivers rely on
- * the WindowMap matrix being up to date in the driver's Viewport
- * and DepthRange functions.
- */
- _mesa_get_viewport_xform(ctx, idx, scale, translate);
- _math_matrix_viewport(&ctx->ViewportArray[idx]._WindowMap,
- scale, translate, ctx->DrawBuffer->_DepthMaxF);
-#endif
}
void
*/
void _mesa_init_viewport(struct gl_context *ctx)
{
- GLfloat depthMax = 65535.0F; /* sorf of arbitrary */
unsigned i;
ctx->Transform.ClipOrigin = GL_LOWER_LEFT;
* so just initialize all of them.
*/
for (i = 0; i < MAX_VIEWPORTS; i++) {
- double scale[3], translate[3];
-
/* Viewport group */
ctx->ViewportArray[i].X = 0;
ctx->ViewportArray[i].Y = 0;
ctx->ViewportArray[i].Height = 0;
ctx->ViewportArray[i].Near = 0.0;
ctx->ViewportArray[i].Far = 1.0;
- _math_matrix_ctr(&ctx->ViewportArray[i]._WindowMap);
-
- _mesa_get_viewport_xform(ctx, i, scale, translate);
- _math_matrix_viewport(&ctx->ViewportArray[i]._WindowMap,
- scale, translate, depthMax);
}
}
-/**
- * Free the context viewport attribute group data.
- * \param ctx the GL context.
- */
-void _mesa_free_viewport_data(struct gl_context *ctx)
-{
- unsigned i;
-
- for (i = 0; i < MAX_VIEWPORTS; i++)
- _math_matrix_dtr(&ctx->ViewportArray[i]._WindowMap);
-}
-
extern void GLAPIENTRY
_mesa_ClipControl(GLenum origin, GLenum depth)
{
if (MESA_VERBOSE&VERBOSE_API)
_mesa_debug(ctx, "glClipControl(%s, %s)\n",
- _mesa_lookup_enum_by_nr(origin),
- _mesa_lookup_enum_by_nr(depth));
+ _mesa_enum_to_string(origin),
+ _mesa_enum_to_string(depth));
ASSERT_OUTSIDE_BEGIN_END(ctx);
*/
void
_mesa_get_viewport_xform(struct gl_context *ctx, unsigned i,
- double scale[3], double translate[3])
+ float scale[3], float translate[3])
{
- double x = ctx->ViewportArray[i].X;
- double y = ctx->ViewportArray[i].Y;
- double half_width = 0.5*ctx->ViewportArray[i].Width;
- double half_height = 0.5*ctx->ViewportArray[i].Height;
+ float x = ctx->ViewportArray[i].X;
+ float y = ctx->ViewportArray[i].Y;
+ float half_width = 0.5f * ctx->ViewportArray[i].Width;
+ float half_height = 0.5f * ctx->ViewportArray[i].Height;
double n = ctx->ViewportArray[i].Near;
double f = ctx->ViewportArray[i].Far;
translate[0] = half_width + x;
if (ctx->Transform.ClipOrigin == GL_UPPER_LEFT) {
scale[1] = -half_height;
- translate[1] = half_height - y;
} else {
scale[1] = half_height;
- translate[1] = half_height + y;
}
+ translate[1] = half_height + y;
+
if (ctx->Transform.ClipDepthMode == GL_NEGATIVE_ONE_TO_ONE) {
- scale[2] = 0.5*(f - n);
- translate[2] = 0.5*(n + f);
+ scale[2] = 0.5 * (f - n);
+ translate[2] = 0.5 * (n + f);
} else {
scale[2] = f - n;
translate[2] = n;