static void viaTexSubImage2D(GLcontext *ctx,
GLenum target,
GLint level,
GLint xoffset, GLint yoffset,
GLsizei width, GLsizei height,
GLenum format, GLenum type,
const GLvoid *pixels,
const struct gl_pixelstore_attrib *packing,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage)
{
viaContextPtr vmesa = VIA_CONTEXT(ctx);
viaTextureObjectPtr t = (viaTextureObjectPtr)texObj->DriverData;
if (t) {
viaSwapOutTexObj(VIA_CONTEXT(ctx), t);
}
_mesa_store_texsubimage2d(ctx, target, level, xoffset, yoffset, width,
height, format, type, pixels, packing, texObj,
texImage);
if(vmesa->shareCtx)
vmesa->shareCtx->NewState |= _NEW_TEXTURE;
}
static GLboolean via_run_fastrender(GLcontext *ctx,
struct tnl_pipeline_stage *stage)
{
struct via_context *vmesa = VIA_CONTEXT(ctx);
TNLcontext *tnl = TNL_CONTEXT(ctx);
struct vertex_buffer *VB = &tnl->vb;
GLuint i;
tnl->Driver.Render.Start(ctx);
if (VB->ClipOrMask ||
vmesa->renderIndex != 0 ||
!via_fastvalidate_render( ctx, VB )) {
tnl->Driver.Render.Finish(ctx);
return GL_TRUE;
}
tnl->clipspace.new_inputs |= VERT_BIT_POS;
for (i = 0; i < VB->PrimitiveCount; ++i) {
GLuint mode = _tnl_translate_prim(&VB->Primitive[i]);
GLuint start = VB->Primitive[i].start;
GLuint length = VB->Primitive[i].count;
if (length)
via_fastrender_tab_verts[mode & PRIM_MODE_MASK](ctx, start, start+length, mode);
}
tnl->Driver.Render.Finish(ctx);
return GL_FALSE; /* finished the pipe */
}
static void viaTexImage1D(GLcontext *ctx, GLenum target, GLint level,
GLint internalFormat,
GLint width, GLint border,
GLenum format, GLenum type,
const GLvoid *pixels,
const struct gl_pixelstore_attrib *packing,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage)
{
viaTextureObjectPtr t = (viaTextureObjectPtr)texObj->DriverData;
if (VIA_DEBUG) fprintf(stderr, "viaTexImage1D - in\n");
if (t) {
if (level == 0) {
viaSwapOutTexObj(VIA_CONTEXT(ctx), t);
t->actualLevel = 0;
}
else
t->actualLevel++;
}
else {
t = viaAllocTextureObject(texObj);
if (!t) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "viaTexImage1D");
return;
}
texObj->DriverData = t;
}
_mesa_store_teximage1d(ctx, target, level, internalFormat,
width, border, format, type,
pixels, packing, texObj, texImage);
if (VIA_DEBUG) fprintf(stderr, "viaTexImage1D - out\n");
}
static void viaSetBuffer(GLcontext *ctx, GLframebuffer *colorBuffer,
GLuint bufferBit)
{
struct via_context *vmesa = VIA_CONTEXT(ctx);
if (bufferBit == BUFFER_BIT_FRONT_LEFT) {
vmesa->drawBuffer = vmesa->readBuffer = &vmesa->front;
}
else if (bufferBit == BUFFER_BIT_BACK_LEFT) {
vmesa->drawBuffer = vmesa->readBuffer = &vmesa->back;
}
else {
ASSERT(0);
}
}
static void viaFastRenderClippedPoly(struct gl_context *ctx, const GLuint *elts,
GLuint n)
{
struct via_context *vmesa = VIA_CONTEXT(ctx);
GLuint vertsize = vmesa->vertexSize;
GLuint *vb = viaExtendPrimitive(vmesa, (n - 2) * 3 * 4 * vertsize);
GLubyte *vertptr = (GLubyte *)vmesa->verts;
const GLuint *start = (const GLuint *)V(elts[0]);
int i;
for (i = 2; i < n; i++) {
COPY_DWORDS(vb, vertsize, V(elts[i - 1]));
COPY_DWORDS(vb, vertsize, V(elts[i]));
COPY_DWORDS(vb, vertsize, start);
}
}
static void viaDeleteTexture(GLcontext *ctx, struct gl_texture_object *texObj)
{
viaTextureObjectPtr t = (viaTextureObjectPtr)texObj->DriverData;
if (VIA_DEBUG) fprintf(stderr, "viaDeleteTexture - in\n");
if (t) {
viaContextPtr vmesa = VIA_CONTEXT(ctx);
if (vmesa) {
if (vmesa->dma) { /* imply vmesa is not under destroying */
VIA_FLUSH_DMA(vmesa);
}
viaDestroyTexObj(vmesa, t);
}
texObj->DriverData = 0;
}
if (VIA_DEBUG) fprintf(stderr, "viaDeleteTexture - out\n");
/* Free mipmap images and the texture object itself */
_mesa_delete_texture_object(ctx, texObj);
}
static void viaTexSubImage1D(GLcontext *ctx,
GLenum target,
GLint level,
GLint xoffset,
GLsizei width,
GLenum format, GLenum type,
const GLvoid *pixels,
const struct gl_pixelstore_attrib *packing,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage)
{
viaTextureObjectPtr t = (viaTextureObjectPtr)texObj->DriverData;
if (t) {
viaSwapOutTexObj(VIA_CONTEXT(ctx), t);
}
_mesa_store_texsubimage1d(ctx, target, level, xoffset, width,
format, type, pixels, packing, texObj,
texImage);
}
static void viaRenderClippedPoly(struct gl_context *ctx, const GLuint *elts,
GLuint n)
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
GLuint prim = VIA_CONTEXT(ctx)->renderPrimitive;
/* Render the new vertices as an unclipped polygon.
*/
{
GLuint *tmp = VB->Elts;
VB->Elts = (GLuint *)elts;
tnl->Driver.Render.PrimTabElts[GL_POLYGON](ctx, 0, n,
PRIM_BEGIN|PRIM_END);
VB->Elts = tmp;
}
/* Restore the render primitive
*/
if (prim != GL_POLYGON &&
prim != GL_POLYGON + 1)
tnl->Driver.Render.PrimitiveNotify( ctx, prim );
}
void viaSpanRenderFinish( GLcontext *ctx )
{
struct via_context *vmesa = VIA_CONTEXT(ctx);
_swrast_flush( ctx );
UNLOCK_HARDWARE( vmesa );
}
/* Move locking out to get reasonable span performance.
*/
void viaSpanRenderStart( GLcontext *ctx )
{
struct via_context *vmesa = VIA_CONTEXT(ctx);
viaWaitIdle(vmesa, GL_FALSE);
LOCK_HARDWARE(vmesa);
}
static void viaChooseVertexState( struct gl_context *ctx )
{
struct via_context *vmesa = VIA_CONTEXT(ctx);
TNLcontext *tnl = TNL_CONTEXT(ctx);
DECLARE_RENDERINPUTS(index_bitset);
GLuint regCmdB = HC_HVPMSK_X | HC_HVPMSK_Y | HC_HVPMSK_Z;
GLuint setupIndex = 0;
RENDERINPUTS_COPY( index_bitset, tnl->render_inputs_bitset );
vmesa->vertex_attr_count = 0;
/* EMIT_ATTR's must be in order as they tell t_vertex.c how to
* build up a hardware vertex.
*/
if (RENDERINPUTS_TEST_RANGE( index_bitset, _TNL_FIRST_TEX, _TNL_LAST_TEX ) ||
RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_FOG )) {
EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, VIA_EMIT_W, HC_HVPMSK_W );
vmesa->coloroffset = 4;
}
else {
EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_3F_VIEWPORT, 0, 0 );
vmesa->coloroffset = 3;
}
/* t_context.c always includes a diffuse color */
EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_BGRA, VIA_EMIT_RGBA,
HC_HVPMSK_Cd );
vmesa->specoffset = 0;
if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_COLOR1 ) ||
RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_FOG )) {
if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_COLOR1 )) {
vmesa->specoffset = vmesa->coloroffset + 1;
EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_3UB_3F_BGR, VIA_EMIT_SPEC,
HC_HVPMSK_Cs );
}
else
EMIT_PAD( 3 );
if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_FOG ))
EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1UB_1F, VIA_EMIT_FOG, HC_HVPMSK_Cs );
else
EMIT_PAD( 1 );
}
if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_TEX0 )) {
if (vmesa->ptexHack)
EMIT_ATTR( _TNL_ATTRIB_TEX0, EMIT_3F_XYW, VIA_EMIT_PTEX0,
(HC_HVPMSK_S | HC_HVPMSK_T) );
else
EMIT_ATTR( _TNL_ATTRIB_TEX0, EMIT_2F, VIA_EMIT_TEX0,
(HC_HVPMSK_S | HC_HVPMSK_T) );
}
if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_TEX1 )) {
EMIT_ATTR( _TNL_ATTRIB_TEX1, EMIT_2F, VIA_EMIT_TEX1,
(HC_HVPMSK_S | HC_HVPMSK_T) );
}
if (setupIndex != vmesa->setupIndex) {
vmesa->vertexSize = _tnl_install_attrs( ctx,
vmesa->vertex_attrs,
vmesa->vertex_attr_count,
vmesa->ViewportMatrix.m, 0 );
vmesa->vertexSize >>= 2;
vmesa->setupIndex = setupIndex;
vmesa->regCmdB &= ~HC_HVPMSK_MASK;
vmesa->regCmdB |= regCmdB;
if (vmesa->ptexHack)
vmesa->hwVertexSize = vmesa->vertexSize - 1;
else
vmesa->hwVertexSize = vmesa->vertexSize;
}
static void viaChooseRenderState(struct gl_context *ctx)
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
struct via_context *vmesa = VIA_CONTEXT(ctx);
GLuint flags = ctx->_TriangleCaps;
GLuint index = 0;
if (vmesa->ptexHack) {
vmesa->drawPoint = via_ptex_point;
vmesa->drawLine = via_ptex_line;
vmesa->drawTri = via_ptex_tri;
index |= VIA_FALLBACK_BIT;
}
else {
vmesa->drawPoint = via_draw_point;
vmesa->drawLine = via_draw_line;
vmesa->drawTri = via_draw_triangle;
}
if (flags & (ANY_FALLBACK_FLAGS | ANY_RASTER_FLAGS)) {
if (ctx->Light.Enabled && ctx->Light.Model.TwoSide)
index |= VIA_TWOSIDE_BIT;
if (ctx->Polygon.FrontMode != GL_FILL || ctx->Polygon.BackMode != GL_FILL)
index |= VIA_UNFILLED_BIT;
if (flags & DD_TRI_OFFSET)
index |= VIA_OFFSET_BIT;
if (flags & ANY_FALLBACK_FLAGS)
index |= VIA_FALLBACK_BIT;
/* Hook in fallbacks for specific primitives. */
if (flags & POINT_FALLBACK)
vmesa->drawPoint = via_fallback_point;
if (flags & LINE_FALLBACK)
vmesa->drawLine = via_fallback_line;
if (flags & TRI_FALLBACK)
vmesa->drawTri = via_fallback_tri;
}
if ((flags & DD_SEPARATE_SPECULAR) && ctx->Light.ShadeModel == GL_FLAT)
index = VIA_MAX_TRIFUNC; /* flat specular */
if (vmesa->renderIndex != index) {
vmesa->renderIndex = index;
tnl->Driver.Render.Points = rast_tab[index].points;
tnl->Driver.Render.Line = rast_tab[index].line;
tnl->Driver.Render.Triangle = rast_tab[index].triangle;
tnl->Driver.Render.Quad = rast_tab[index].quad;
if (index == 0) {
tnl->Driver.Render.PrimTabVerts = via_render_tab_verts;
tnl->Driver.Render.PrimTabElts = via_render_tab_elts;
tnl->Driver.Render.ClippedLine = line; /* from tritmp.h */
tnl->Driver.Render.ClippedPolygon = viaFastRenderClippedPoly;
}
else {
tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts;
tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts;
tnl->Driver.Render.ClippedLine = viaRenderClippedLine;
tnl->Driver.Render.ClippedPolygon = viaRenderClippedPoly;
}
}
}
static void viaResetLineStipple( struct gl_context *ctx )
{
struct via_context *vmesa = VIA_CONTEXT(ctx);
vmesa->regCmdB |= HC_HLPrst_MASK;
}
static void viaTexEnv(GLcontext *ctx, GLenum target,
GLenum pname, const GLfloat *param)
{
viaContextPtr vmesa = VIA_CONTEXT(ctx);
vmesa = vmesa;
}
static const struct gl_texture_format *
viaChooseTexFormat(GLcontext *ctx, GLint internalFormat,
GLenum format, GLenum type)
{
viaContextPtr vmesa = VIA_CONTEXT(ctx);
(void)format;
(void)type;
if (VIA_DEBUG) fprintf(stderr, "%s in\n", __FUNCTION__);
if (VIA_DEBUG) fprintf(stderr, "internalFormat:%d format:%d\n", internalFormat, format);
switch (internalFormat) {
case 1:
case GL_LUMINANCE:
case GL_LUMINANCE4:
case GL_LUMINANCE8:
case GL_LUMINANCE12:
case GL_LUMINANCE16:
return &_mesa_texformat_l8;
case 2:
case GL_LUMINANCE_ALPHA:
case GL_LUMINANCE4_ALPHA4:
case GL_LUMINANCE6_ALPHA2:
case GL_LUMINANCE8_ALPHA8:
case GL_LUMINANCE12_ALPHA4:
case GL_LUMINANCE12_ALPHA12:
case GL_LUMINANCE16_ALPHA16:
return &_mesa_texformat_al88;
case GL_R3_G3_B2:
case GL_RGB4:
case GL_RGB5:
if (VIA_DEBUG) fprintf(stderr, "2 &_mesa_texformat_arg565\n");
return &_mesa_texformat_rgb565;
case 3:
case GL_RGB:
case GL_RGB8:
case GL_RGB10:
case GL_RGB12:
case GL_RGB16:
if (vmesa->viaScreen->bitsPerPixel == 0x20) {
if (VIA_DEBUG) fprintf(stderr,"3 argb8888\n");
return &_mesa_texformat_argb8888;
}
else {
if (VIA_DEBUG) fprintf(stderr,"3 rgb565\n");
return &_mesa_texformat_rgb565;
}
case 4:
if (vmesa->viaScreen->bitsPerPixel == 0x20) {
if (VIA_DEBUG) fprintf(stderr, "4 &_mesa_texformat_argb8888\n");
return &_mesa_texformat_argb8888;
}
else {
if (VIA_DEBUG) fprintf(stderr, "4 &_mesa_texformat_argb4444\n");
return &_mesa_texformat_argb4444;
}
case GL_RGBA2:
case GL_RGBA4:
if (VIA_DEBUG) fprintf(stderr, "GL_RGBA4 &_mesa_texformat_argb4444\n");
return &_mesa_texformat_argb4444;
case GL_RGB5_A1:
if (VIA_DEBUG) fprintf(stderr, "GL_RGB5_A1 &_mesa_texformat_argb1555\n");
return &_mesa_texformat_argb1555;
case GL_RGBA:
case GL_RGBA8:
case GL_RGBA12:
case GL_RGBA16:
case GL_RGB10_A2:
if (VIA_DEBUG) fprintf(stderr, "GL_RGBA &_mesa_texformat_argb8888\n");
return &_mesa_texformat_argb8888;
case GL_ALPHA:
case GL_ALPHA4:
case GL_ALPHA8:
case GL_ALPHA12:
case GL_ALPHA16:
return &_mesa_texformat_a8;
case GL_INTENSITY:
case GL_INTENSITY4:
case GL_INTENSITY8:
case GL_INTENSITY12:
case GL_INTENSITY16:
return &_mesa_texformat_i8;
case GL_COLOR_INDEX:
case GL_COLOR_INDEX1_EXT:
case GL_COLOR_INDEX2_EXT:
case GL_COLOR_INDEX4_EXT:
case GL_COLOR_INDEX8_EXT:
case GL_COLOR_INDEX12_EXT:
case GL_COLOR_INDEX16_EXT:
return &_mesa_texformat_ci8;
default:
_mesa_problem(ctx, "unexpected format in viaChooseTextureFormat");
return NULL;
}
}
void viaInitSpanFuncs(GLcontext *ctx)
{
#if 0
struct via_context *vmesa = VIA_CONTEXT(ctx);
#endif
struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference(ctx);
swdd->SetBuffer = viaSetBuffer;
#if 0
if (vmesa->viaScreen->bitsPerPixel == 16) {
viaInitPointers_565( swdd );
}
else if (vmesa->viaScreen->bitsPerPixel == 32) {
viaInitPointers_8888( swdd );
}
else {
assert(0);
}
#endif
#if 0
if (vmesa->glCtx->Visual.depthBits == 16) {
swdd->ReadDepthSpan = viaReadDepthSpan_16;
swdd->WriteDepthSpan = viaWriteDepthSpan_16;
swdd->WriteMonoDepthSpan = viaWriteMonoDepthSpan_16;
swdd->ReadDepthPixels = viaReadDepthPixels_16;
swdd->WriteDepthPixels = viaWriteDepthPixels_16;
}
else if (vmesa->glCtx->Visual.depthBits == 24) {
swdd->ReadDepthSpan = viaReadDepthSpan_24_8;
swdd->WriteDepthSpan = viaWriteDepthSpan_24_8;
swdd->WriteMonoDepthSpan = viaWriteMonoDepthSpan_24_8;
swdd->ReadDepthPixels = viaReadDepthPixels_24_8;
swdd->WriteDepthPixels = viaWriteDepthPixels_24_8;
swdd->WriteStencilSpan = viaWriteStencilSpan_24_8;
swdd->ReadStencilSpan = viaReadStencilSpan_24_8;
swdd->WriteStencilPixels = viaWriteStencilPixels_24_8;
swdd->ReadStencilPixels = viaReadStencilPixels_24_8;
}
else if (vmesa->glCtx->Visual.depthBits == 32) {
swdd->ReadDepthSpan = viaReadDepthSpan_32;
swdd->WriteDepthSpan = viaWriteDepthSpan_32;
swdd->WriteMonoDepthSpan = viaWriteMonoDepthSpan_32;
swdd->ReadDepthPixels = viaReadDepthPixels_32;
swdd->WriteDepthPixels = viaWriteDepthPixels_32;
}
#endif
swdd->SpanRenderStart = viaSpanRenderStart;
swdd->SpanRenderFinish = viaSpanRenderFinish;
#if 0
swdd->WriteCI8Span = NULL;
swdd->WriteCI32Span = NULL;
swdd->WriteMonoCISpan = NULL;
swdd->WriteCI32Pixels = NULL;
swdd->WriteMonoCIPixels = NULL;
swdd->ReadCI32Span = NULL;
swdd->ReadCI32Pixels = NULL;
#endif
}