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authorPatrice Mandin <pmandin@caramail.com>2007-08-31 19:43:16 +0200
committerPatrice Mandin <pmandin@caramail.com>2007-08-31 19:46:39 +0200
commitb0a1e81887a831f72ffbec4fe005e1837c81018c (patch)
treed0de291a53403e42deaf91728376a3a36092442a /src/mesa/drivers/dri
parent214347fdb4c30dc8bac5d4b9a823458709bc53ea (diff)
nouveau: add hw-dependent function to update modelview*projection matrix
Diffstat (limited to 'src/mesa/drivers/dri')
-rw-r--r--src/mesa/drivers/dri/nouveau/nouveau_context.c1
-rw-r--r--src/mesa/drivers/dri/nouveau/nouveau_context.h6
-rw-r--r--src/mesa/drivers/dri/nouveau/nouveau_state.c17
-rw-r--r--src/mesa/drivers/dri/nouveau/nv10_state.c46
-rw-r--r--src/mesa/drivers/dri/nouveau/nv20_state.c5
-rw-r--r--src/mesa/drivers/dri/nouveau/nv30_state.c5
-rw-r--r--src/mesa/drivers/dri/nouveau/nv50_state.c5
7 files changed, 85 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_context.c b/src/mesa/drivers/dri/nouveau/nouveau_context.c
index 1e13324b98..ae0a6d5c9e 100644
--- a/src/mesa/drivers/dri/nouveau/nouveau_context.c
+++ b/src/mesa/drivers/dri/nouveau/nouveau_context.c
@@ -210,6 +210,7 @@ GLboolean nouveauCreateContext( const __GLcontextModes *glVisual,
_swsetup_CreateContext( ctx );
_math_matrix_ctr(&nmesa->viewport);
+ _math_matrix_ctr(&nmesa->model_proj);
nouveauDDInitStateFuncs( ctx );
nouveauSpanInitFunctions( ctx );
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_context.h b/src/mesa/drivers/dri/nouveau/nouveau_context.h
index 778c4401e4..94d729daef 100644
--- a/src/mesa/drivers/dri/nouveau/nouveau_context.h
+++ b/src/mesa/drivers/dri/nouveau/nouveau_context.h
@@ -86,6 +86,9 @@ typedef struct nouveau_hw_func_t {
nouveau_renderbuffer_t *depth);
/* Update anything that depends on the window position/size */
void (*WindowMoved)(struct nouveau_context *);
+
+ /* Update projection matrix */
+ void (*UpdateModelProjMatrix)(struct nouveau_context *);
} nouveau_hw_func;
typedef struct nouveau_context {
@@ -117,6 +120,9 @@ typedef struct nouveau_context {
GLuint color_offset;
GLuint specular_offset;
+ /* Projection*modelview matrix */
+ GLmatrix model_proj;
+
/* Vertex state */
GLuint vertex_size;
GLubyte *verts;
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_state.c b/src/mesa/drivers/dri/nouveau/nouveau_state.c
index f618dcfc99..6c63b12c46 100644
--- a/src/mesa/drivers/dri/nouveau/nouveau_state.c
+++ b/src/mesa/drivers/dri/nouveau/nouveau_state.c
@@ -100,6 +100,16 @@ static void nouveauDepthRange(GLcontext *ctx, GLclampd near, GLclampd far)
nouveauCalcViewport(ctx);
}
+static void nouveauUpdateModelProjMatrix(GLcontext *ctx)
+{
+ nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+
+ _math_matrix_mul_matrix(&(nmesa->model_proj), &(ctx->_ModelProjectMatrix),
+ ctx->ModelviewMatrixStack.Top);
+
+ nmesa->hw_func.UpdateModelProjMatrix(nmesa);
+}
+
static void nouveauDDUpdateHWState(GLcontext *ctx)
{
nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
@@ -141,6 +151,13 @@ static void nouveauDDUpdateHWState(GLcontext *ctx)
static void nouveauDDInvalidateState(GLcontext *ctx, GLuint new_state)
{
+ if ( new_state & _NEW_PROJECTION ) {
+ nouveauUpdateModelProjMatrix(ctx);
+ }
+ if ( new_state & _NEW_MODELVIEW ) {
+ nouveauUpdateModelProjMatrix(ctx);
+ }
+
_swrast_InvalidateState( ctx, new_state );
_swsetup_InvalidateState( ctx, new_state );
_vbo_InvalidateState( ctx, new_state );
diff --git a/src/mesa/drivers/dri/nouveau/nv10_state.c b/src/mesa/drivers/dri/nouveau/nv10_state.c
index 79d567b25d..9c63bd118a 100644
--- a/src/mesa/drivers/dri/nouveau/nv10_state.c
+++ b/src/mesa/drivers/dri/nouveau/nv10_state.c
@@ -750,6 +750,51 @@ static void nv10TextureMatrix(GLcontext *ctx, GLuint unit, const GLmatrix *mat)
OUT_RING_CACHEp(mat->m, 16);
}
+static void nv10UpdateModelProjMatrix(nouveauContextPtr nmesa)
+{
+ GLcontext *ctx = nmesa->glCtx;
+ GLfloat w = ((GLfloat) ctx->Viewport.Width) * 0.5;
+ GLfloat h = ((GLfloat) ctx->Viewport.Height) * 0.5;
+ GLfloat max_depth = (ctx->Viewport.Near + ctx->Viewport.Far) * 0.5;
+ GLfloat projection[16];
+ int i;
+
+ if (ctx->DrawBuffer) {
+ if (ctx->DrawBuffer->_DepthBuffer) {
+ switch (ctx->DrawBuffer->_DepthBuffer->DepthBits) {
+ case 16:
+ max_depth *= 32767.0;
+ break;
+ case 24:
+ max_depth *= 16777215.0;
+ break;
+ }
+ }
+ }
+
+ /* Rescale for viewport */
+ for (i=0; i<4; i++) {
+ projection[i] = w * nmesa->model_proj.m[i];
+ }
+ for (i=0; i<4; i++) {
+ projection[i+4] = -h * nmesa->model_proj.m[i+4];
+ }
+ for (i=0; i<4; i++) {
+ projection[i+8] = max_depth * nmesa->model_proj.m[i+8];
+ }
+ for (i=0; i<4; i++) {
+ projection[i+12] = nmesa->model_proj.m[i+12];
+ }
+
+ for (i=0; i<16; i++) {
+ printf("%d\t%.3f\t%.3f\n", i,
+ nmesa->model_proj.m[i], projection[i]);
+ }
+
+ BEGIN_RING_SIZE(NvSub3D, NV10_TCL_PRIMITIVE_3D_PROJECTION_MATRIX(0), 16);
+ OUT_RINGp(projection, 16);
+}
+
/* Update anything that depends on the window position/size */
static void nv10WindowMoved(nouveauContextPtr nmesa)
{
@@ -1011,4 +1056,5 @@ void nv10InitStateFuncs(GLcontext *ctx, struct dd_function_table *func)
nmesa->hw_func.InitCard = nv10InitCard;
nmesa->hw_func.BindBuffers = nv10BindBuffers;
nmesa->hw_func.WindowMoved = nv10WindowMoved;
+ nmesa->hw_func.UpdateModelProjMatrix = nv10UpdateModelProjMatrix;
}
diff --git a/src/mesa/drivers/dri/nouveau/nv20_state.c b/src/mesa/drivers/dri/nouveau/nv20_state.c
index 6b583980a4..c6efa6b72c 100644
--- a/src/mesa/drivers/dri/nouveau/nv20_state.c
+++ b/src/mesa/drivers/dri/nouveau/nv20_state.c
@@ -636,6 +636,10 @@ static void nv20TextureMatrix(GLcontext *ctx, GLuint unit, const GLmatrix *mat)
OUT_RING_CACHEp(mat->m, 16);
}
+static void nv20UpdateModelProjMatrix(nouveauContextPtr nmesa)
+{
+}
+
/* Update anything that depends on the window position/size */
static void nv20WindowMoved(nouveauContextPtr nmesa)
{
@@ -820,5 +824,6 @@ void nv20InitStateFuncs(GLcontext *ctx, struct dd_function_table *func)
nmesa->hw_func.InitCard = nv20InitCard;
nmesa->hw_func.BindBuffers = nv20BindBuffers;
nmesa->hw_func.WindowMoved = nv20WindowMoved;
+ nmesa->hw_func.UpdateModelProjMatrix = nv20UpdateModelProjMatrix;
}
diff --git a/src/mesa/drivers/dri/nouveau/nv30_state.c b/src/mesa/drivers/dri/nouveau/nv30_state.c
index cd3ee98688..ebd9e1c514 100644
--- a/src/mesa/drivers/dri/nouveau/nv30_state.c
+++ b/src/mesa/drivers/dri/nouveau/nv30_state.c
@@ -767,6 +767,10 @@ static void nv30TextureMatrix(GLcontext *ctx, GLuint unit, const GLmatrix *mat)
}
}
+static void nv30UpdateModelProjMatrix(nouveauContextPtr nmesa)
+{
+}
+
static void nv30WindowMoved(nouveauContextPtr nmesa)
{
GLcontext *ctx = nmesa->glCtx;
@@ -998,5 +1002,6 @@ void nv30InitStateFuncs(GLcontext *ctx, struct dd_function_table *func)
nmesa->hw_func.InitCard = nv30InitCard;
nmesa->hw_func.BindBuffers = nv30BindBuffers;
nmesa->hw_func.WindowMoved = nv30WindowMoved;
+ nmesa->hw_func.UpdateModelProjMatrix = nv30UpdateModelProjMatrix;
}
diff --git a/src/mesa/drivers/dri/nouveau/nv50_state.c b/src/mesa/drivers/dri/nouveau/nv50_state.c
index a9236f093c..66a18c4a15 100644
--- a/src/mesa/drivers/dri/nouveau/nv50_state.c
+++ b/src/mesa/drivers/dri/nouveau/nv50_state.c
@@ -520,6 +520,10 @@ static void nv50TextureMatrix(GLcontext *ctx, GLuint unit, const GLmatrix *mat)
/* Only with shaders */
}
+static void nv50UpdateModelProjMatrix(nouveauContextPtr nmesa)
+{
+}
+
static void nv50WindowMoved(nouveauContextPtr nmesa)
{
GLcontext *ctx = nmesa->glCtx;
@@ -638,4 +642,5 @@ void nv50InitStateFuncs(GLcontext *ctx, struct dd_function_table *func)
nmesa->hw_func.InitCard = nv50InitCard;
nmesa->hw_func.BindBuffers = nv50BindBuffers;
nmesa->hw_func.WindowMoved = nv50WindowMoved;
+ nmesa->hw_func.UpdateModelProjMatrix = nv50UpdateModelProjMatrix;
}