static void
mgaDDTexParameter( GLcontext *ctx, GLenum target,
struct gl_texture_object *tObj,
GLenum pname, const GLfloat *params )
{
mgaContextPtr mmesa = MGA_CONTEXT( ctx );
mgaTextureObjectPtr t;
t = (mgaTextureObjectPtr) tObj->DriverData;
/* If we don't have a hardware texture, it will be automatically
* created with current state before it is used, so we don't have
* to do anything now
*/
if ( (t == NULL) ||
(target != GL_TEXTURE_2D &&
target != GL_TEXTURE_RECTANGLE_NV) ) {
return;
}
switch (pname) {
case GL_TEXTURE_MIN_FILTER:
driSwapOutTextureObject( (driTextureObject *) t );
/* FALLTHROUGH */
case GL_TEXTURE_MAG_FILTER:
FLUSH_BATCH(mmesa);
mgaSetTexFilter( t, tObj->MinFilter, tObj->MagFilter );
break;
case GL_TEXTURE_WRAP_S:
case GL_TEXTURE_WRAP_T:
FLUSH_BATCH(mmesa);
mgaSetTexWrapping(t,tObj->WrapS,tObj->WrapT);
break;
case GL_TEXTURE_BORDER_COLOR:
FLUSH_BATCH(mmesa);
mgaSetTexBorderColor(t, tObj->_BorderChan);
break;
case GL_TEXTURE_BASE_LEVEL:
case GL_TEXTURE_MAX_LEVEL:
case GL_TEXTURE_MIN_LOD:
case GL_TEXTURE_MAX_LOD:
/* This isn't the most efficient solution but there doesn't appear to
* be a nice alternative. Since there's no LOD clamping,
* we just have to rely on loading the right subset of mipmap levels
* to simulate a clamped LOD.
*/
driSwapOutTextureObject( (driTextureObject *) t );
break;
default:
return;
}
}
static void mach64DDTexEnv( struct gl_context *ctx, GLenum target,
GLenum pname, const GLfloat *param )
{
mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);
#if 0
struct gl_texture_unit *texUnit;
GLubyte c[4];
#endif
if ( MACH64_DEBUG & DEBUG_VERBOSE_API ) {
fprintf( stderr, "%s( %s )\n",
__FUNCTION__, _mesa_lookup_enum_by_nr( pname ) );
}
switch ( pname ) {
case GL_TEXTURE_ENV_MODE:
FLUSH_BATCH( mmesa );
mmesa->new_state |= MACH64_NEW_TEXTURE | MACH64_NEW_ALPHA;
break;
#if 0
case GL_TEXTURE_ENV_COLOR:
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
CLAMPED_FLOAT_TO_UBYTE( c[0], texUnit->EnvColor[0] );
CLAMPED_FLOAT_TO_UBYTE( c[1], texUnit->EnvColor[1] );
CLAMPED_FLOAT_TO_UBYTE( c[2], texUnit->EnvColor[2] );
CLAMPED_FLOAT_TO_UBYTE( c[3], texUnit->EnvColor[3] );
mmesa->env_color = mach64PackColor( 32, c[0], c[1], c[2], c[3] );
if ( mmesa->setup.constant_color_c != mmesa->env_color ) {
FLUSH_BATCH( mmesa );
mmesa->setup.constant_color_c = mmesa->env_color;
mmesa->new_state |= MACH64_NEW_TEXTURE;
/* More complex multitexture/multipass fallbacks for GL_BLEND
* can be done later, but this allows a single pass GL_BLEND
* in some cases (ie. Performer town demo).
*/
mmesa->blend_flags &= ~MACH64_BLEND_ENV_COLOR;
if ( mmesa->env_color != 0x00000000 &&
mmesa->env_color != 0xff000000 &&
mmesa->env_color != 0x00ffffff &&
mmesa->env_color != 0xffffffff )) {
mmesa->blend_flags |= MACH64_BLEND_ENV_COLOR;
}
}
break;
#endif
default:
return;
}
void
i915_fill_blit(struct i915_context *i915,
unsigned cpp,
unsigned rgba_mask,
unsigned short dst_pitch,
struct i915_winsys_buffer *dst_buffer,
unsigned dst_offset,
short x, short y,
short w, short h,
unsigned color)
{
unsigned BR13, CMD;
I915_DBG(DBG_BLIT, "%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n",
__FUNCTION__, dst_buffer, dst_pitch, dst_offset, x, y, w, h);
if(!i915_winsys_validate_buffers(i915->batch, &dst_buffer, 1)) {
FLUSH_BATCH(NULL);
assert(i915_winsys_validate_buffers(i915->batch, &dst_buffer, 1));
}
switch (cpp) {
case 1:
case 2:
case 3:
BR13 = (((int) dst_pitch) & 0xffff) |
(0xF0 << 16) | (1 << 24);
CMD = XY_COLOR_BLT_CMD;
break;
case 4:
BR13 = (((int) dst_pitch) & 0xffff) |
(0xF0 << 16) | (1 << 24) | (1 << 25);
CMD = (XY_COLOR_BLT_CMD | rgba_mask);
break;
default:
return;
}
if (!BEGIN_BATCH(6)) {
FLUSH_BATCH(NULL);
assert(BEGIN_BATCH(6));
}
OUT_BATCH(CMD);
OUT_BATCH(BR13);
OUT_BATCH((y << 16) | x);
OUT_BATCH(((y + h) << 16) | (x + w));
OUT_RELOC_FENCED(dst_buffer, I915_USAGE_2D_TARGET, dst_offset);
OUT_BATCH(color);
i915_set_flush_dirty(i915, I915_FLUSH_CACHE);
}
static void r128TexParameter( GLcontext *ctx, GLenum target,
struct gl_texture_object *tObj,
GLenum pname, const GLfloat *params )
{
r128ContextPtr rmesa = R128_CONTEXT(ctx);
r128TexObjPtr t = (r128TexObjPtr)tObj->DriverData;
if ( R128_DEBUG & DEBUG_VERBOSE_API ) {
fprintf( stderr, "%s( %s )\n",
__FUNCTION__, _mesa_lookup_enum_by_nr( pname ) );
}
if ( ( target != GL_TEXTURE_2D ) && ( target != GL_TEXTURE_1D ) )
return;
switch ( pname ) {
case GL_TEXTURE_MIN_FILTER:
case GL_TEXTURE_MAG_FILTER:
if ( t->base.bound ) FLUSH_BATCH( rmesa );
r128SetTexFilter( t, tObj->MinFilter, tObj->MagFilter );
break;
case GL_TEXTURE_WRAP_S:
case GL_TEXTURE_WRAP_T:
if ( t->base.bound ) FLUSH_BATCH( rmesa );
r128SetTexWrap( t, tObj->WrapS, tObj->WrapT );
break;
case GL_TEXTURE_BORDER_COLOR:
if ( t->base.bound ) FLUSH_BATCH( rmesa );
r128SetTexBorderColor( t, tObj->BorderColor.f );
break;
case GL_TEXTURE_BASE_LEVEL:
case GL_TEXTURE_MAX_LEVEL:
case GL_TEXTURE_MIN_LOD:
case GL_TEXTURE_MAX_LOD:
/* This isn't the most efficient solution but there doesn't appear to
* be a nice alternative for R128. Since there's no LOD clamping,
* we just have to rely on loading the right subset of mipmap levels
* to simulate a clamped LOD.
*/
if ( t->base.bound ) FLUSH_BATCH( rmesa );
driSwapOutTextureObject( (driTextureObject *) t );
break;
default:
return;
}
}
void
i915_fill_blit(struct i915_context *i915,
unsigned cpp,
unsigned short dst_pitch,
struct intel_buffer *dst_buffer,
unsigned dst_offset,
short x, short y,
short w, short h,
unsigned color)
{
unsigned BR13, CMD;
I915_DBG(i915,
"%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n",
__FUNCTION__,
dst_buffer, dst_pitch, dst_offset, x, y, w, h);
switch (cpp) {
case 1:
case 2:
case 3:
BR13 = (((int) dst_pitch) & 0xffff) |
(0xF0 << 16) | (1 << 24);
CMD = XY_COLOR_BLT_CMD;
break;
case 4:
BR13 = (((int) dst_pitch) & 0xffff) |
(0xF0 << 16) | (1 << 24) | (1 << 25);
CMD = (XY_COLOR_BLT_CMD | XY_COLOR_BLT_WRITE_ALPHA |
XY_COLOR_BLT_WRITE_RGB);
break;
default:
return;
}
if (!BEGIN_BATCH(6, 1)) {
FLUSH_BATCH(NULL);
assert(BEGIN_BATCH(6, 1));
}
OUT_BATCH(CMD);
OUT_BATCH(BR13);
OUT_BATCH((y << 16) | x);
OUT_BATCH(((y + h) << 16) | (x + w));
OUT_RELOC(dst_buffer, INTEL_USAGE_2D_TARGET, dst_offset);
OUT_BATCH(color);
FLUSH_BATCH(NULL);
}
static void tdfxDDStencilMask( GLcontext *ctx, GLuint mask )
{
tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
FLUSH_BATCH( fxMesa );
fxMesa->new_state |= TDFX_NEW_STENCIL;
}
static void mgaDDDrawBuffer(GLcontext *ctx, GLenum mode )
{
mgaContextPtr mmesa = MGA_CONTEXT(ctx);
FLUSH_BATCH( mmesa );
/*
* _DrawDestMask is easier to cope with than <mode>.
*/
switch ( ctx->Color._DrawDestMask[0] ) {
case DD_FRONT_LEFT_BIT:
mmesa->setup.dstorg = mmesa->mgaScreen->frontOffset;
mmesa->dirty |= MGA_UPLOAD_CONTEXT;
mmesa->draw_buffer = MGA_FRONT;
mgaXMesaSetFrontClipRects( mmesa );
FALLBACK( ctx, MGA_FALLBACK_DRAW_BUFFER, GL_FALSE );
break;
case DD_BACK_LEFT_BIT:
mmesa->setup.dstorg = mmesa->mgaScreen->backOffset;
mmesa->draw_buffer = MGA_BACK;
mmesa->dirty |= MGA_UPLOAD_CONTEXT;
mgaXMesaSetBackClipRects( mmesa );
FALLBACK( ctx, MGA_FALLBACK_DRAW_BUFFER, GL_FALSE );
break;
default:
/* GL_NONE or GL_FRONT_AND_BACK or stereo left&right, etc */
FALLBACK( ctx, MGA_FALLBACK_DRAW_BUFFER, GL_TRUE );
return;
}
/* We want to update the s/w rast state too so that r200SetBuffer()
* gets called.
*/
_swrast_DrawBuffer(ctx, mode);
}
void mgaFallback( GLcontext *ctx, GLuint bit, GLboolean mode )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
mgaContextPtr mmesa = MGA_CONTEXT(ctx);
GLuint oldfallback = mmesa->Fallback;
if (mode) {
mmesa->Fallback |= bit;
if (oldfallback == 0) {
FLUSH_BATCH(mmesa);
_swsetup_Wakeup( ctx );
mmesa->RenderIndex = ~0;
if (MGA_DEBUG & DEBUG_VERBOSE_FALLBACK) {
fprintf(stderr, "MGA begin rasterization fallback: 0x%x %s\n",
bit, getFallbackString(bit));
}
}
}
else {
mmesa->Fallback &= ~bit;
if (oldfallback == bit) {
_swrast_flush( ctx );
tnl->Driver.Render.Start = mgaCheckTexSizes;
tnl->Driver.Render.PrimitiveNotify = mgaRenderPrimitive;
tnl->Driver.Render.Finish = mgaRenderFinish;
tnl->Driver.Render.BuildVertices = mgaBuildVertices;
mmesa->NewGLState |= (_MGA_NEW_RENDERSTATE |
_MGA_NEW_RASTERSETUP);
if (MGA_DEBUG & DEBUG_VERBOSE_FALLBACK) {
fprintf(stderr, "MGA end rasterization fallback: 0x%x %s\n",
bit, getFallbackString(bit));
}
}
}
}
static void gammaDDFrontFace( GLcontext *ctx, GLenum mode )
{
gammaContextPtr gmesa = GAMMA_CONTEXT(ctx);
FLUSH_BATCH( gmesa );
gmesa->new_state |= GAMMA_NEW_CULL;
}
static void gammaDDFogfv( GLcontext *ctx, GLenum pname, const GLfloat *param )
{
gammaContextPtr gmesa = GAMMA_CONTEXT(ctx);
FLUSH_BATCH( gmesa );
gmesa->new_state |= GAMMA_NEW_FOG;
}
static void gammaDDDepthMask( GLcontext *ctx, GLboolean flag )
{
gammaContextPtr gmesa = GAMMA_CONTEXT(ctx);
FLUSH_BATCH( gmesa );
gmesa->new_state |= GAMMA_NEW_DEPTH;
}
static void gammaDDDepthFunc( GLcontext *ctx, GLenum func )
{
gammaContextPtr gmesa = GAMMA_CONTEXT(ctx);
FLUSH_BATCH( gmesa );
gmesa->new_state |= GAMMA_NEW_DEPTH;
}
void r128SpanRenderStart( GLcontext *ctx )
{
r128ContextPtr rmesa = R128_CONTEXT(ctx);
FLUSH_BATCH(rmesa);
LOCK_HARDWARE(rmesa);
r128WaitForIdleLocked( rmesa );
}
static void tdfxDDFrontFace( GLcontext *ctx, GLenum mode )
{
tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx );
FLUSH_BATCH( fxMesa );
fxMesa->new_state |= TDFX_NEW_CULL;
}
static void
tdfxDDScissor(GLcontext * ctx, GLint x, GLint y, GLsizei w, GLsizei h)
{
tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
FLUSH_BATCH( fxMesa );
fxMesa->new_state |= TDFX_NEW_CLIP;
}
static void tdfxDDColorMask( GLcontext *ctx,
GLboolean r, GLboolean g,
GLboolean b, GLboolean a )
{
tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
FLUSH_BATCH( fxMesa );
if ( fxMesa->Color.ColorMask[RCOMP] != r ||
fxMesa->Color.ColorMask[GCOMP] != g ||
fxMesa->Color.ColorMask[BCOMP] != b ||
fxMesa->Color.ColorMask[ACOMP] != a ) {
fxMesa->Color.ColorMask[RCOMP] = r;
fxMesa->Color.ColorMask[GCOMP] = g;
fxMesa->Color.ColorMask[BCOMP] = b;
fxMesa->Color.ColorMask[ACOMP] = a;
fxMesa->dirty |= TDFX_UPLOAD_COLOR_MASK;
if (ctx->Visual.redBits < 8) {
/* Can't do RGB colormasking in 16bpp mode. */
/* We can completely ignore the alpha mask. */
FALLBACK( fxMesa, TDFX_FALLBACK_COLORMASK, (r != g || g != b) );
}
}
}
static void tdfxDDClearDepth( GLcontext *ctx, GLclampd d )
{
tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx );
FLUSH_BATCH( fxMesa );
fxMesa->new_state |= TDFX_NEW_DEPTH;
}
static void tdfxDDFogfv( GLcontext *ctx, GLenum pname, const GLfloat *param )
{
tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
FLUSH_BATCH( fxMesa );
fxMesa->new_state |= TDFX_NEW_FOG;
switch (pname) {
case GL_FOG_COORDINATE_SOURCE_EXT: {
GLenum p = (GLenum)*param;
if (p == GL_FOG_COORDINATE_EXT) {
_swrast_allow_vertex_fog(ctx, GL_TRUE);
_swrast_allow_pixel_fog(ctx, GL_FALSE);
_tnl_allow_vertex_fog( ctx, GL_TRUE);
_tnl_allow_pixel_fog( ctx, GL_FALSE);
} else {
_swrast_allow_vertex_fog(ctx, GL_FALSE);
_swrast_allow_pixel_fog(ctx, GL_TRUE);
_tnl_allow_vertex_fog( ctx, GL_FALSE);
_tnl_allow_pixel_fog( ctx, GL_TRUE);
}
break;
}
default:
;
}
}
static void tdfxDDDepthFunc( GLcontext *ctx, GLenum func )
{
tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx );
FLUSH_BATCH( fxMesa );
fxMesa->new_state |= TDFX_NEW_DEPTH;
}
/* XXX support for separate read/draw buffers hasn't been tested */
static void tdfxDDDrawBuffer( GLcontext *ctx, GLenum mode )
{
tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
if ( TDFX_DEBUG & DEBUG_VERBOSE_API ) {
fprintf( stderr, "%s()\n", __FUNCTION__ );
}
FLUSH_BATCH( fxMesa );
if (ctx->DrawBuffer->_NumColorDrawBuffers > 1) {
FALLBACK( fxMesa, TDFX_FALLBACK_DRAW_BUFFER, GL_TRUE );
return;
}
switch ( ctx->DrawBuffer->_ColorDrawBufferIndexes[0] ) {
case BUFFER_FRONT_LEFT:
fxMesa->DrawBuffer = fxMesa->ReadBuffer = GR_BUFFER_FRONTBUFFER;
fxMesa->new_state |= TDFX_NEW_RENDER;
FALLBACK( fxMesa, TDFX_FALLBACK_DRAW_BUFFER, GL_FALSE );
break;
case BUFFER_BACK_LEFT:
fxMesa->DrawBuffer = fxMesa->ReadBuffer = GR_BUFFER_BACKBUFFER;
fxMesa->new_state |= TDFX_NEW_RENDER;
FALLBACK( fxMesa, TDFX_FALLBACK_DRAW_BUFFER, GL_FALSE );
break;
case -1:
FX_grColorMaskv( ctx, false4 );
FALLBACK( fxMesa, TDFX_FALLBACK_DRAW_BUFFER, GL_FALSE );
break;
default:
FALLBACK( fxMesa, TDFX_FALLBACK_DRAW_BUFFER, GL_TRUE );
break;
}
}
static void tdfxDDAlphaFunc( GLcontext *ctx, GLenum func, GLfloat ref )
{
tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx );
FLUSH_BATCH( fxMesa );
fxMesa->new_state |= TDFX_NEW_ALPHA;
}
void mgaFallback( GLcontext *ctx, GLuint bit, GLboolean mode )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
mgaContextPtr mmesa = MGA_CONTEXT(ctx);
GLuint oldfallback = mmesa->Fallback;
if (mode) {
mmesa->Fallback |= bit;
if (oldfallback == 0) {
FLUSH_BATCH(mmesa);
_swsetup_Wakeup( ctx );
mmesa->RenderIndex = ~0;
}
}
else {
mmesa->Fallback &= ~bit;
if (oldfallback == bit) {
_swrast_flush( ctx );
tnl->Driver.Render.Start = mgaCheckTexSizes;
tnl->Driver.Render.PrimitiveNotify = mgaRenderPrimitive;
tnl->Driver.Render.Finish = mgaRenderFinish;
tnl->Driver.Render.BuildVertices = mgaBuildVertices;
mmesa->new_gl_state |= (_MGA_NEW_RENDERSTATE |
_MGA_NEW_RASTERSETUP);
}
}
}
static void mgaDDDrawBuffer(GLcontext *ctx, GLenum mode )
{
mgaContextPtr mmesa = MGA_CONTEXT(ctx);
FLUSH_BATCH( mmesa );
/*
* _DrawDestMask is easier to cope with than <mode>.
*/
switch ( ctx->DrawBuffer->_ColorDrawBufferMask[0] ) {
case BUFFER_BIT_FRONT_LEFT:
mmesa->setup.dstorg = mmesa->mgaScreen->frontOffset;
mmesa->dirty |= MGA_UPLOAD_CONTEXT;
mmesa->draw_buffer = MGA_FRONT;
mgaXMesaSetFrontClipRects( mmesa );
FALLBACK( ctx, MGA_FALLBACK_DRAW_BUFFER, GL_FALSE );
break;
case BUFFER_BIT_BACK_LEFT:
mmesa->setup.dstorg = mmesa->mgaScreen->backOffset;
mmesa->draw_buffer = MGA_BACK;
mmesa->dirty |= MGA_UPLOAD_CONTEXT;
mgaXMesaSetBackClipRects( mmesa );
FALLBACK( ctx, MGA_FALLBACK_DRAW_BUFFER, GL_FALSE );
break;
default:
/* GL_NONE or GL_FRONT_AND_BACK or stereo left&right, etc */
FALLBACK( ctx, MGA_FALLBACK_DRAW_BUFFER, GL_TRUE );
return;
}
}
void tdfxCheckTexSizes( GLcontext *ctx )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx );
if (!setup_tab[fxMesa->SetupIndex].check_tex_sizes(ctx)) {
GLuint ind = fxMesa->SetupIndex |= (TDFX_PTEX_BIT|TDFX_RGBA_BIT);
/* Tdfx handles projective textures nicely; just have to change
* up to the new vertex format.
*/
if (setup_tab[ind].vertex_format != fxMesa->vertexFormat) {
FLUSH_BATCH(fxMesa);
fxMesa->dirty |= TDFX_UPLOAD_VERTEX_LAYOUT;
fxMesa->vertexFormat = setup_tab[ind].vertex_format;
/* This is required as we have just changed the vertex
* format, so the interp and copy routines must also change.
* In the unfilled and twosided cases we are using the
* swrast_setup ones anyway, so leave them in place.
*/
if (!(ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED))) {
tnl->Driver.Render.Interp = setup_tab[fxMesa->SetupIndex].interp;
tnl->Driver.Render.CopyPV = setup_tab[fxMesa->SetupIndex].copy_pv;
}
}
}
}
static void tdfxDDViewport( GLcontext *ctx, GLint x, GLint y,
GLsizei w, GLsizei h )
{
tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
FLUSH_BATCH( fxMesa );
fxMesa->new_state |= TDFX_NEW_VIEWPORT;
}
static void tdfxDDDepthMask( GLcontext *ctx, GLboolean flag )
{
tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx );
FLUSH_BATCH( fxMesa );
fxMesa->new_state |= TDFX_NEW_DEPTH;
}
static void tdfxDDShadeModel( GLcontext *ctx, GLenum mode )
{
tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
/* FIXME: Can we implement native flat shading? */
FLUSH_BATCH( fxMesa );
fxMesa->new_state |= TDFX_NEW_TEXTURE;
}
static void mgaDDScissor( GLcontext *ctx, GLint x, GLint y,
GLsizei w, GLsizei h )
{
if ( ctx->Scissor.Enabled ) {
FLUSH_BATCH( MGA_CONTEXT(ctx) ); /* don't pipeline cliprect changes */
mgaUpdateClipping( ctx );
}
}
static void mgaDDLightModelfv(GLcontext *ctx, GLenum pname,
const GLfloat *param)
{
if (pname == GL_LIGHT_MODEL_COLOR_CONTROL) {
FLUSH_BATCH( MGA_CONTEXT(ctx) );
updateSpecularLighting( ctx );
}
}
static void tdfxDDStencilOp( GLcontext *ctx, GLenum sfail,
GLenum zfail, GLenum zpass )
{
tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx);
FLUSH_BATCH( fxMesa );
fxMesa->new_state |= TDFX_NEW_STENCIL;
}